MARKET STUDY All analysis covers resale homes only. New construction appears once, in its own section. Click any dot on the map for that sale.
Resale sales, 365 days
27
single-family resale homes
Median net sale price
$1,333,530
average $1,540,100
Median net price per SF
$618
average $620
Median days on market
64 days
average 94 days
1. SummaryResale homes · 27 sales · October 26, 2025 – October 25, 2026
This study looks at the 27 resale homes sold in Barton Hills Sec 01 in the 365 days to October 25, 2026. A full year is used because only 14 resale homes sold in the last 180 days. New construction is left out and shown on its own in section 7. The homes are compared four ways: by price, by living area, by year built and with or without a view. The first three are split into four equal groups (quartiles), each named by its range.
Each comparison has its own section (3–6) with everything about it in one place: the key differences, a table of every measure at a glance, the charts and the numbers.
2. Where the resale homes sold27 resale homes · colored by price range
Each dot is one resale home, colored by its price range. Use the buttons to show one price range at a time. Click a dot for that sale: address, close date, original and last list price, net sale price, living area, net sale per SF and days on market. Scroll or pinch to zoom.
3. Quartiles by net sale priceResale homes · 27 sales · October 26, 2025 – October 25, 2026
Sales ranked by net sale price and cut into four equal groups. This is the usual way to read a market by price.
Bottom line
Homes over $1.85M are about 1,880 SF (110%) larger than homes under $1.10M.
Homes over $1.85M are about 59 years newer than homes under $1.10M.
3.1 Key differences
The top group against the bottom group. Only real differences are listed. Section 8 explains each measure.
Under $1.10M$1.10M–$1.33M$1.39M–$1.85MOver $1.85M
Higher-priced homes Over $1.85M
Are much larger.
Tend to be newer.
Lower-priced homes Under $1.10M
Are much smaller.
Tend to be older.
3.2 At a glance
Shaded rows are real differences; the darkest cell is the highest. Gray rows show no clear difference. Prices are averages; days on market and year built are medians.
Under $1.10M
$1.10M–$1.33M
$1.39M–$1.85M
Over $1.85M
Real difference?
Net price per SF
$544 per SF
$590 per SF
$664 per SF
$688 per SF
unclear
Living area
1,707 SFSmallest
2,071 SF
2,510 SF
3,584 SFLargest
✓ large
Year built
1957Oldest
1969
1974
2016Newest
✓ large
Days on market
33 days
64 days
21 days
241 days
unclear
Discount from original list
21.5%
8.3%
6.1%
15.2%
unclear
Price cut before sale
71%
57%
33%
57%
unclear
Seller paid closing costs or repairs
43%
71%
50%
57%
unclear
Has a view
0%
43%
67%
71%
unclear
How to read this section. Each heading gives the finding. The gold box says whether the gap is real (✓, with its size) or could be chance (–). The section ends with its numbers; the tests are in section 8.3.
3.3 Net price per SF: no clear difference
The average is $688 per SF for homes over $1.85M and $544 per SF for homes under $1.10M. It rises step by step from the lowest range to the highest. Defined in 8.1.2.
– No clear difference · could be chance
3.4 Homes over $1.85M are about 1,880 SF (110%) larger than homes under $1.10M
The average is 3,584 SF for homes over $1.85M and 1,707 SF for homes under $1.10M. It rises step by step from the lowest range to the highest. Defined in 8.1.3.
✓ Real difference · large
3.5 Homes over $1.85M are about 59 years newer than homes under $1.10M
The median is 2016 for homes over $1.85M and 1957 for homes under $1.10M. It rises step by step from the lowest range to the highest. Defined in 8.1.4.
✓ Real difference · large
3.6 Days on market: no clear difference
The median is 241 days for homes over $1.85M and 33 days for homes under $1.10M. It does not move in a straight line; homes over $1.85M are highest. Defined in 8.1.5.
– No clear difference · could be chance
3.7 Discount from original list: no clear difference
The average is 15.2% for homes over $1.85M and 21.5% for homes under $1.10M. It does not move in a straight line; homes under $1.10M are highest. Defined in 8.1.6.
– No clear difference · could be chance
3.8 How often: price cut before sale, seller paid closing costs or repairs, has a view
Each bar is the share of homes in the group, in percent.
57% of homes over $1.85M had a price cut before sale, against 71% of homes under $1.10M. Defined in 8.1.7.
57% of homes over $1.85M had the seller pay closing costs or repairs, against 43% of homes under $1.10M. Defined in 8.1.8.
71% of homes over $1.85M have a view, against 0% of homes under $1.10M. Defined in 8.1.9.
Price cut before sale: – No clear difference · could be chance
Seller paid closing costs or repairs: – No clear difference · could be chance
Has a view: – No clear difference · could be chance
3.9 The numbers: price and size
Under $1.10M7 sales
$1.10M–$1.33M7 sales
$1.39M–$1.85M6 sales
Over $1.85M7 sales
All27 sales
Real difference?
Net sale price average
$919,721
$1,203,176
$1,617,621
$2,430,957
$1,540,100
by design
Net price per SF average
$544
$590
$664
$688
$620
unclear
Living area average
1,707
2,071
2,510
3,584
2,467
✓ large
Year built median
1957
1969
1974
2016
1973
✓ large
3.10 The numbers: selling
Under $1.10M7 sales
$1.10M–$1.33M7 sales
$1.39M–$1.85M6 sales
Over $1.85M7 sales
All27 sales
Real difference?
Days on market median
33
64
21
241
64
unclear
Discount from original list average
21.5%
8.3%
6.1%
15.2%
13.0%
unclear
Price cut before sale
71%
57%
33%
57%
56%
unclear
Seller paid closing costs or repairs
43%
71%
50%
57%
56%
unclear
Has a view
0%
43%
67%
71%
44%
unclear
Prices, price per SF, living area and discount are averages; days on market and year built are medians. The test behind each verdict is in 8.3.1.
4. Quartiles by living areaResale homes · 27 sales · October 26, 2025 – October 25, 2026
Sales ranked by living area and cut into four equal groups, from the smallest homes to the largest.
Bottom line
Homes over 3,149 SF sell for about $1.38M (143%) more than homes under 1,969 SF.
Homes over 3,149 SF are about 35 years newer than homes under 1,969 SF.
4.1 Key differences
The top group against the bottom group. Only real differences are listed. Section 8 explains each measure.
Under 1,969 SF1,969–2,135 SF2,239–3,149 SFOver 3,149 SF
Larger homes Over 3,149 SF
Sell for much more.
Tend to be newer.
Smaller homes Under 1,969 SF
Sell for much less.
Tend to be older.
4.2 At a glance
Shaded rows are real differences; the darkest cell is the highest. Gray rows show no clear difference. Prices are averages; days on market and year built are medians.
Under 1,969 SF
1,969–2,135 SF
2,239–3,149 SF
Over 3,149 SF
Real difference?
Net sale price
$970KLowest
$1.29M
$1.55M
$2.35MHighest
✓ large
Net price per SF
$589 per SF
$634 per SF
$592 per SF
$661 per SF
unclear
Year built
1957Oldest
1974
1976
1992Newest
✓ large
Days on market
28 days
48 days
40 days
126 days
unclear
Discount from original list
15.5%
13.4%
6.0%
16.2%
unclear
Price cut before sale
57%
71%
17%
71%
unclear
Seller paid closing costs or repairs
43%
57%
67%
57%
unclear
Has a view
0%
57%
33%
86%
unclear
4.3 Homes over 3,149 SF sell for about $1.38M (143%) more than homes under 1,969 SF
The average is $2.35M for homes over 3,149 SF and $970K for homes under 1,969 SF. It rises step by step from the lowest range to the highest. Defined in 8.1.1.
✓ Real difference · large
4.4 Net price per SF: no clear difference
The average is $661 per SF for homes over 3,149 SF and $589 per SF for homes under 1,969 SF. It does not move in a straight line; homes over 3,149 SF are highest. Defined in 8.1.2.
– No clear difference · could be chance
4.5 Homes over 3,149 SF are about 35 years newer than homes under 1,969 SF
The median is 1992 for homes over 3,149 SF and 1957 for homes under 1,969 SF. It rises step by step from the lowest range to the highest. Defined in 8.1.4.
✓ Real difference · large
4.6 Days on market: no clear difference
The median is 126 days for homes over 3,149 SF and 28 days for homes under 1,969 SF. It does not move in a straight line; homes over 3,149 SF are highest. Defined in 8.1.5.
– No clear difference · could be chance
4.7 Discount from original list: no clear difference
The average is 16.2% for homes over 3,149 SF and 15.5% for homes under 1,969 SF. It does not move in a straight line; homes over 3,149 SF are highest. Defined in 8.1.6.
– No clear difference · could be chance
4.8 How often: price cut before sale, seller paid closing costs or repairs, has a view
Each bar is the share of homes in the group, in percent.
71% of homes over 3,149 SF had a price cut before sale, against 57% of homes under 1,969 SF. Defined in 8.1.7.
57% of homes over 3,149 SF had the seller pay closing costs or repairs, against 43% of homes under 1,969 SF. Defined in 8.1.8.
86% of homes over 3,149 SF have a view, against 0% of homes under 1,969 SF. Defined in 8.1.9.
Price cut before sale: – No clear difference · could be chance
Seller paid closing costs or repairs: – No clear difference · could be chance
Has a view: – No clear difference · could be chance
4.9 The numbers: price and size
Under 1,969 SF7 sales
1,969–2,135 SF7 sales
2,239–3,149 SF6 sales
Over 3,149 SF7 sales
All27 sales
Real difference?
Net sale price average
$969,636
$1,293,304
$1,547,071
$2,351,386
$1,540,100
✓ large
Net price per SF average
$589
$634
$592
$661
$620
unclear
Living area average
1,650
2,039
2,602
3,595
2,467
by design
Year built median
1957
1974
1976
1992
1973
✓ large
4.10 The numbers: selling
Under 1,969 SF7 sales
1,969–2,135 SF7 sales
2,239–3,149 SF6 sales
Over 3,149 SF7 sales
All27 sales
Real difference?
Days on market median
28
48
40
126
64
unclear
Discount from original list average
15.5%
13.4%
6.0%
16.2%
13.0%
unclear
Price cut before sale
57%
71%
17%
71%
56%
unclear
Seller paid closing costs or repairs
43%
57%
67%
57%
56%
unclear
Has a view
0%
57%
33%
86%
44%
unclear
Prices, price per SF, living area and discount are averages; days on market and year built are medians. The test behind each verdict is in 8.3.2.
5. Quartiles by year builtResale homes · 27 sales · October 26, 2025 – October 25, 2026
Sales ranked by year built and cut into four groups, from the oldest to the newest. Homes built in the same year always stay in the same group, so group sizes can differ a little.
Bottom line
Homes built after 1983 are about 1,530 SF (88%) larger than homes built before 1963.
5.1 Key differences
The top group against the bottom group. Only real differences are listed. Section 8 explains each measure.
Before 19631963–19731974–1983After 1983
Newer homes After 1983
Are much larger.
Older homes Before 1963
Are much smaller.
5.2 At a glance
Shaded rows are real differences; the darkest cell is the highest. Gray rows show no clear difference. Prices are averages; days on market and year built are medians.
Before 1963
1963–1973
1974–1983
After 1983
Real difference?
Net sale price
$1.07M
$1.48M
$1.60M
$2.03M
unclear
Net price per SF
$604 per SF
$646 per SF
$598 per SF
$629 per SF
unclear
Living area
1,751 SFSmallest
2,248 SF
2,600 SF
3,286 SFLargest
✓ large
Days on market
48 days
28 days
65 days
241 days
unclear
Discount from original list
16.1%
6.0%
15.4%
14.9%
unclear
Price cut before sale
86%
14%
83%
43%
unclear
Seller paid closing costs or repairs
57%
57%
67%
43%
unclear
Has a view
14%
43%
50%
71%
unclear
5.3 Net sale price: no clear difference
The average is $2.03M for homes built after 1983 and $1.07M for homes built before 1963. It rises step by step from the lowest range to the highest. Defined in 8.1.1.
– No clear difference · could be chance
5.4 Net price per SF: no clear difference
The average is $629 per SF for homes built after 1983 and $604 per SF for homes built before 1963. It does not move in a straight line; homes built 1963–1973 are highest. Defined in 8.1.2.
– No clear difference · could be chance
5.5 Homes built after 1983 are about 1,530 SF (88%) larger than homes built before 1963
The average is 3,286 SF for homes built after 1983 and 1,751 SF for homes built before 1963. It rises step by step from the lowest range to the highest. Defined in 8.1.3.
✓ Real difference · large
5.6 Days on market: no clear difference
The median is 241 days for homes built after 1983 and 48 days for homes built before 1963. It does not move in a straight line; homes built after 1983 are highest. Defined in 8.1.5.
– No clear difference · could be chance
5.7 Discount from original list: no clear difference
The average is 14.9% for homes built after 1983 and 16.1% for homes built before 1963. It does not move in a straight line; homes built before 1963 are highest. Defined in 8.1.6.
– No clear difference · could be chance
5.8 How often: price cut before sale, seller paid closing costs or repairs, has a view
Each bar is the share of homes in the group, in percent.
43% of homes built after 1983 had a price cut before sale, against 86% of homes built before 1963. Defined in 8.1.7.
43% of homes built after 1983 had the seller pay closing costs or repairs, against 57% of homes built before 1963. Defined in 8.1.8.
71% of homes built after 1983 have a view, against 14% of homes built before 1963. Defined in 8.1.9.
Price cut before sale: – No clear difference · could be chance
Seller paid closing costs or repairs: – No clear difference · could be chance
Has a view: – No clear difference · could be chance
5.9 The numbers: price and size
Before 19637 sales
1963–19737 sales
1974–19836 sales
After 19837 sales
All27 sales
Real difference?
Net sale price average
$1,065,750
$1,476,340
$1,595,713
$2,030,543
$1,540,100
unclear
Net price per SF average
$604
$646
$598
$629
$620
unclear
Living area average
1,751
2,248
2,600
3,286
2,467
✓ large
Year built median
1957
1969
1978
2016
1973
by design
5.10 The numbers: selling
Before 19637 sales
1963–19737 sales
1974–19836 sales
After 19837 sales
All27 sales
Real difference?
Days on market median
48
28
65
241
64
unclear
Discount from original list average
16.1%
6.0%
15.4%
14.9%
13.0%
unclear
Price cut before sale
86%
14%
83%
43%
56%
unclear
Seller paid closing costs or repairs
57%
57%
67%
43%
56%
unclear
Has a view
14%
43%
50%
71%
44%
unclear
Prices, price per SF, living area and discount are averages; days on market and year built are medians. The test behind each verdict is in 8.3.3.
6. View and no viewResale homes · 27 sales · October 26, 2025 – October 25, 2026
Sales where the MLS lists a view (greenbelt or park, trees, golf course, hill country, water and similar) against those listing none or only the neighborhood. 1 sales whose MLS view entry is only “See Remarks” are left out.
Bottom line
Homes with a view sell for about $622K (50%) more than homes without a view.
6.1 Key differences
The top group against the bottom group. Only real differences are listed. Section 8 explains each measure.
ViewNo view
Homes with a view MLS lists a view
Sell for much more.
Homes without a view no view listed
Sell for much less.
6.2 At a glance
Shaded rows are real differences; the darkest cell is the highest. Gray rows show no clear difference. Prices are averages; days on market and year built are medians.
View
No view
Real difference?
Net sale price
$1.86MHighest
$1.24MLowest
✓ large
Net price per SF
$673 per SF
$574 per SF
unclear
Living area
2,787 SF
2,143 SF
unclear
Year built
1980
1964
unclear
Days on market
67 days
30 days
unclear
Discount from original list
12.7%
13.6%
unclear
Price cut before sale
67%
50%
unclear
Seller paid closing costs or repairs
50%
64%
unclear
6.3 Homes with a view sell for about $622K (50%) more than homes without a view
The average is $1.86M for homes with a view and $1.24M for homes without a view. Defined in 8.1.1.
✓ Real difference · large
6.4 Net price per SF: no clear difference
The average is $673 per SF for homes with a view and $574 per SF for homes without a view. Defined in 8.1.2.
– No clear difference · could be chance
6.5 Living area: no clear difference
The average is 2,787 SF for homes with a view and 2,143 SF for homes without a view. Defined in 8.1.3.
– No clear difference · could be chance
6.6 Year built: no clear difference
The median is 1980 for homes with a view and 1964 for homes without a view. Defined in 8.1.4.
– No clear difference · could be chance
6.7 Days on market: no clear difference
The median is 67 days for homes with a view and 30 days for homes without a view. Defined in 8.1.5.
– No clear difference · could be chance
6.8 Discount from original list: no clear difference
The average is 12.7% for homes with a view and 13.6% for homes without a view. Defined in 8.1.6.
– No clear difference · could be chance
6.9 How often: price cut before sale, seller paid closing costs or repairs
Each bar is the share of homes in the group, in percent.
67% of homes with a view had a price cut before sale, against 50% of homes without a view. Defined in 8.1.7.
50% of homes with a view had the seller pay closing costs or repairs, against 64% of homes without a view. Defined in 8.1.8.
Price cut before sale: – No clear difference · could be chance
Seller paid closing costs or repairs: – No clear difference · could be chance
6.10 The numbers: price and size
View12 sales
No view14 sales
All26 sales
Real difference?
Net sale price average
$1,859,128
$1,237,370
$1,524,335
✓ large
Net price per SF average
$673
$574
$620
unclear
Living area average
2,787
2,143
2,440
unclear
Year built median
1980
1964
1972
unclear
6.11 The numbers: selling
View12 sales
No view14 sales
All26 sales
Real difference?
Days on market median
67
30
56
unclear
Discount from original list average
12.7%
13.6%
13.2%
unclear
Price cut before sale
67%
50%
58%
unclear
Seller paid closing costs or repairs
50%
64%
58%
unclear
Prices, price per SF, living area and discount are averages; days on market and year built are medians. The test behind each verdict is in 8.3.4.
7. New constructionBasic statistics · 11 sales · October 26, 2025 – October 25, 2026
Homes sold new by the builder in the same 365 days. They are left out of every other section and shown here as basic figures only: 11 sales, no groups, no tests.
Note: these are only the new-construction sales reported in ABOR MLS. Builders often sell homes without listing them in the MLS, so these figures do not necessarily represent all new-construction sales in Barton Hills Sec 01.
Measure
Average
Median
Sales
11
Net sale price
$2,912,664
$2,950,000
Net price per SF
$687
$707
Living area (SF)
4,236
4,220
Days on market
236
191
Discount from original list
12.4%
10.6%
Price cut before sale
45% of sales
Seller paid closing costs or repairs
18% of sales
Year built
2023–2026
Same definitions as the rest of the study (section 8). New construction = NewConstructionYN true, or PropertyCondition “New Construction” or “Under Construction”.
8. AppendixMeasures, methods and tests
Each measure and method three ways: in plain words, as statistics, and with the data from this study.
8.1 Measures
8.1.1 Net sale price
In simple terms
What the seller actually kept: the closing price, less money the seller gave back to the buyer for closing costs or repairs. It is the truest price for comparing homes.
Statistically
Net = ClosePrice − ACTRIS_BuyersClsgCostPdbySell − ACTRIS_RepairsAmount (a blank counts as $0). Summarized by the arithmetic mean in the slices.
The data
27 resale sales. Average $1,540,100; median $1,333,530; standard deviation $639,454; middle half (25th–75th percentile) $1,062,500–$1,901,250; lowest $800,550, highest $3,094,700. 15 sales had a seller payment; their median payment was $10,000.
8.1.2 Net price per SF
In simple terms
Net sale price divided by the heated and cooled square feet. It puts homes of different sizes on the same footing: did buyers pay more for each square foot, not just for more square feet?
Statistically
psf = Net ÷ LivingArea, per sale; summarized by the mean of the per-sale ratios.
The data
27 resale sales. Average $620; median $618; standard deviation $127; middle half (25th–75th percentile) $538–$667; lowest $397, highest $967.
8.1.3 Living area
In simple terms
The heated and cooled space, as listed in the MLS. Garages and porches are not counted.
Statistically
RESO LivingArea, in square feet. Sales under 400 SF are treated as entry errors and left out.
The data
27 resale sales. Average 2,467; median 2,135; standard deviation 821; middle half (25th–75th percentile) 1,880–3,175; lowest 1,510, highest 4,646.
8.1.4 Year built
In simple terms
The year the home was finished, as listed in the MLS. It shows whether a group leans to older or newer phases of the community.
Statistically
RESO YearBuilt; summarized by the median, with the 25th–75th percentile (middle half) on the charts.
The data
27 resale sales. Average 1978; median 1973; standard deviation 21; middle half (25th–75th percentile) 1962–1984; lowest 1956, highest 2023.
8.1.5 Days on market
In simple terms
How many days the home was on the market before the buyer's offer was accepted, counting any earlier listing periods (relists). This is the days on market agents and clients quote.
Statistically
CDOM = max(CumulativeDaysOnMarket, DaysOnMarket, PurchaseContractDate − ListingContractDate). The MLS counter can freeze at a price change, so the contract-date gap is a floor. Summarized by the median, because a few homes that sat for months pull an average up.
The data
27 resale sales. Average 94; median 64; standard deviation 94; middle half (25th–75th percentile) 24–156; lowest 2, highest 300. 0 sales went under contract on their listing date (0 days).
8.1.6 Discount from original list
In simple terms
How far below the first asking price the home sold, after seller payments. It measures how much negotiating room sellers gave up. A negative figure means the home sold above its first asking price.
Statistically
Discount % = (OriginalListPrice − Net) ÷ OriginalListPrice × 100, per sale; summarized by the mean.
The data
27 resale sales. Average 13.0%; median 11.2%; standard deviation 11.8%; middle half (25th–75th percentile) 4.3%–14.6%; lowest −0.2%, highest 46.5%. 1 sales closed above their first asking price.
8.1.7 Price cut before sale
In simple terms
The asking price was lowered at least once before the home went under contract.
Statistically
Indicator: ListPrice at close < OriginalListPrice. Reported as the share of sales (%).
The data
15 of 27 resale sales (55.6%).
8.1.8 Seller paid closing costs or repairs
In simple terms
The seller paid some of the buyer's closing costs or repairs.
Statistically
Indicator: ACTRIS_BuyersClsgCostPdbySell + ACTRIS_RepairsAmount > 0. Reported as the share of sales (%).
The data
15 of 27 resale sales (55.6%).
8.1.9 Has a view
In simple terms
The MLS says the home looks over something: a greenbelt or park, trees, golf course, hill country, water and similar.
Statistically
View = the View field holds any entry other than “None”, “Neighborhood” or “See Remarks”. No view = only “None” and/or “Neighborhood”. A record whose only entry is “See Remarks” cannot be classified and is left out of the view slice.
The data
12 sales with a view, 14 without, 1 unclassified. Most common View entries: Neighborhood 8, Trees/Woods 7, None 6, Park/Greenbelt 5, Panoramic 3, See Remarks 2, City 2, Pool 2.
8.2 Methods
8.2.1 Data source
In simple terms
Every figure comes from the Austin Board of REALTORS® MLS, read live by ALEX. No figure is estimated or typed in.
Statistically
Bridge Interactive RESO Web API (OData), ABOR dataset, every field returned. Filter: StandardStatus = Closed, PropertyType = Residential, City = Austin, SubdivisionName contains any of “barton hills”, “west park add”, “barton hills west” (case-insensitive). A record is kept when its subdivision name belongs to the Barton Hills Sec 01 family, the same rule comparable sales use (it includes West Park Add, Barton Hills West Sec 01, proven adjacent and priced alike).
The data
Pulled October 26, 2026: 39 closed Barton Hills Sec 01 records over the prior year, in ZIP 78704. 13 subdivision spellings kept, the most common: Barton Hills (7); Barton Hills Sec 05 (5); West Park Add (4); Barton Hills Sec 01 (4); Barton Hills Sec 07 (4); Barton Hills Sec 02 (4); Barton Hills Sec 03 (3); Barton Hills West Sec 01 (2); Barton Hills Sec 03A (2); Barton Hills Condo Amd (1); Barton Hills Sec 3 (1); Barton Hills Sec 06 (1); and 1 more (1 records). No other names were found by the search.
8.2.2 Study window
In simple terms
The most recent 365 days of closed sales: recent enough to describe today's market, long enough to give each group plenty of sales. The usual window is 180 days; it holds only 14 resale sales here (under 80), so the full year is used.
Statistically
CloseDate from October 26, 2025 to October 25, 2026 inclusive.
The data
38 single-family sales in the window: 27 resale, 11 new construction.
8.2.3 Resale and new construction
In simple terms
A resale home was previously owned. New construction is sold by the builder and behaves differently, so it is kept out of every analysis and reported once on its own.
Statistically
New construction = NewConstructionYN true, or PropertyCondition contains “New Construction” or “Under Construction”. Everything else is resale.
The data
27 resale; 11 new construction.
8.2.4 Sales left out
In simple terms
A few records cannot be used as entered and are left out before any analysis.
Statistically
Excluded: PropertySubType other than Single Family Residence; no OriginalListPrice; LivingArea under 400 SF; seller payments above 10% of ClosePrice (treated as entry errors).
The data
1 sale(s) other than single-family homes (condo, townhome and similar)
8.2.5 Quartiles and groups
In simple terms
Sales lined up from lowest to highest and cut into four groups of about equal size. Each group is named by its range, for example “Under $1.10M”.
Statistically
Sort by the slicing variable; cut k sits at round(nk/4), k = 1…3. A cut that would split tied values moves to the nearer edge of the tie. A group under 3 sales merges into its smaller neighbor. Range names use the next group's lowest value (“Under”) and the previous group's highest value (“Over”/“After”).
The data
Quartiles by net sale price: Under $1.10M: $800,550–$1,025,000 (7 sales); $1.10M–$1.33M: $1,100,000–$1,333,530 (7 sales); $1.39M–$1.85M: $1,393,000–$1,852,500 (6 sales); Over $1.85M: $1,950,000–$3,094,700 (7 sales) Quartiles by living area: Under 1,969 SF: 1,510–1,792 SF (7 sales); 1,969–2,135 SF: 1,969–2,135 SF (7 sales); 2,239–3,149 SF: 2,239–3,149 SF (6 sales); Over 3,149 SF: 3,201–4,646 SF (7 sales) Quartiles by year built: Before 1963: 1956–1962 (7 sales); 1963–1973: 1963–1973 (7 sales); 1974–1983: 1974–1983 (6 sales); After 1983: 1984–2023 (7 sales) View and no view: View: MLS lists a view (12 sales); No view: None or Neighborhood (14 sales)
8.2.6 Average and median
In simple terms
The average adds the values and divides by how many; one very expensive home can pull it up. The median is the middle value, with half above and half below.
Statistically
Mean x̄ = (1/n) Σ xᵢ; median = 50th percentile. Price, price per SF, living area and discount use the mean; days on market and year built use the median (skewed or whole-year values).
The data
Net sale price: average $1,540,100, median $1,333,530. Days on market: average 94, median 64: the average is pulled up by a few long listings.
8.2.7 Kruskal–Wallis test
In simple terms
Checks whether a measure really differs across the four groups of a slice. It uses each sale's rank, not its value, so a few extreme sales cannot drive the answer.
Statistically
H = [12/(n(n+1))] Σ Rⱼ²/nⱼ − 3(n+1), compared with χ² on k − 1 degrees of freedom (Kruskal & Wallis, 1952). Effect size ε² = H/(n − 1): ≥ .01 small, ≥ .06 medium, ≥ .14 large (Tomczak & Tomczak, 2014). A slice is tested only when every group has at least 5 sales; smaller groups are described, not tested.
The data
Run on every measure in sections 3–5; each result is in 8.3.
8.2.8 Mann–Whitney U test
In simple terms
The same check when there are only two groups: view against no view.
Statistically
Two-sided U test (Mann & Whitney, 1947). Effect size = rank-biserial correlation |1 − 2U/(n₁n₂)|: ≥ .10 small, ≥ .30 medium, ≥ .50 large (Kerby, 2014; Cohen, 1988).
The data
Run on every measure in section 6; results in 8.3.
8.2.9 Chi-square test
In simple terms
Checks whether a yes/no share (price cut, seller payment, view) differs between groups more than chance would.
Statistically
Pearson χ² on the 2 × k table of counts, no continuity correction (Pearson, 1900). Effect size Cramér's V = √(χ²/n): ≥ .10 small, ≥ .30 medium, ≥ .50 large (Cramér, 1946).
The data
Run on the three shares in every slice; results in 8.3.
8.2.10 Real difference (significance)
In simple terms
“Real difference” means a gap this large would be very unlikely if the groups were really alike. Because many measures are checked in each slice, the bar is set higher than usual.
Statistically
Significant when p < 0.05 ÷ m, where m is the number of measures tested in that slice (Bonferroni; Dunn, 1961). The slicing variable itself differs by design and is not tested.
The data
Quartiles by net sale price: m = 8, threshold p < 0.0063; Quartiles by living area: m = 8, threshold p < 0.0063; Quartiles by year built: m = 8, threshold p < 0.0063; View and no view: m = 8, threshold p < 0.0063
8.2.11 Size of a difference
In simple terms
A difference can be real but small. The size word (small, medium, large) says how much the groups pull apart.
Statistically
ε² for Kruskal–Wallis, rank-biserial r for Mann–Whitney, Cramér's V for chi-square, with the thresholds above; below the small threshold the size is “negligible”.
The data
6 real differences across the four slices; sizes are listed in 8.3.
8.2.12 Rounding in the text
In simple terms
Headings and sentences round figures so they read easily; the tables at the end of each section give them in full.
Statistically
Prices in headings round to the nearest $1K; price per SF and days on market to the nearest whole number; living area to the nearest 10 SF; shares and percentage gaps to whole percents.
The data
Days on market is always shown in days.
8.3 Test results
Every test behind every gold box. Statistic, degrees of freedom (df), p-value, the threshold it must beat, and the size of the difference.
8.3.1 Quartiles by net sale price
Measure
Test
Statistic
df
p-value
Threshold
Real difference?
Effect size
Size
Net price per SF
Kruskal–Wallis
H = 6.01
3
0.1111
p < 0.0063
Unclear
ε² = 0.231
large
Living area
Kruskal–Wallis
H = 20.32
3
0.0001
p < 0.0063
Yes
ε² = 0.781
large
Year built
Kruskal–Wallis
H = 15.18
3
0.0017
p < 0.0063
Yes
ε² = 0.584
large
Days on market
Kruskal–Wallis
H = 8.36
3
0.0392
p < 0.0063
Unclear
ε² = 0.321
large
Discount from original list
Kruskal–Wallis
H = 6.59
3
0.0862
p < 0.0063
Unclear
ε² = 0.253
large
Price cut before sale
Chi-square
χ² = 1.93
3
0.5874
p < 0.0063
Unclear
Cramér’s V = 0.267
small
Seller paid closing costs or repairs
Chi-square
χ² = 1.25
3
0.7402
p < 0.0063
Unclear
Cramér’s V = 0.215
small
Has a view
Chi-square
χ² = 8.87
3
0.0311
p < 0.0063
Unclear
Cramér’s V = 0.573
large
8.3.2 Quartiles by living area
Measure
Test
Statistic
df
p-value
Threshold
Real difference?
Effect size
Size
Net sale price
Kruskal–Wallis
H = 18.49
3
0.0003
p < 0.0063
Yes
ε² = 0.711
large
Net price per SF
Kruskal–Wallis
H = 1.46
3
0.6924
p < 0.0063
Unclear
ε² = 0.056
small
Year built
Kruskal–Wallis
H = 16.05
3
0.0011
p < 0.0063
Yes
ε² = 0.617
large
Days on market
Kruskal–Wallis
H = 3.95
3
0.2669
p < 0.0063
Unclear
ε² = 0.152
large
Discount from original list
Kruskal–Wallis
H = 4.48
3
0.2141
p < 0.0063
Unclear
ε² = 0.172
large
Price cut before sale
Chi-square
χ² = 5.11
3
0.1639
p < 0.0063
Unclear
Cramér’s V = 0.435
medium
Seller paid closing costs or repairs
Chi-square
χ² = 0.77
3
0.8563
p < 0.0063
Unclear
Cramér’s V = 0.169
small
Has a view
Chi-square
χ² = 11.19
3
0.0108
p < 0.0063
Unclear
Cramér’s V = 0.644
large
8.3.3 Quartiles by year built
Measure
Test
Statistic
df
p-value
Threshold
Real difference?
Effect size
Size
Net sale price
Kruskal–Wallis
H = 10.05
3
0.0182
p < 0.0063
Unclear
ε² = 0.386
large
Net price per SF
Kruskal–Wallis
H = 1.46
3
0.6922
p < 0.0063
Unclear
ε² = 0.056
small
Living area
Kruskal–Wallis
H = 15.00
3
0.0018
p < 0.0063
Yes
ε² = 0.577
large
Days on market
Kruskal–Wallis
H = 6.00
3
0.1116
p < 0.0063
Unclear
ε² = 0.231
large
Discount from original list
Kruskal–Wallis
H = 4.52
3
0.2102
p < 0.0063
Unclear
ε² = 0.174
large
Price cut before sale
Chi-square
χ² = 9.74
3
0.0209
p < 0.0063
Unclear
Cramér’s V = 0.601
large
Seller paid closing costs or repairs
Chi-square
χ² = 0.77
3
0.8563
p < 0.0063
Unclear
Cramér’s V = 0.169
small
Has a view
Chi-square
χ² = 4.72
3
0.1931
p < 0.0063
Unclear
Cramér’s V = 0.418
medium
8.3.4 View and no view
Measure
Test
Statistic
df
p-value
Threshold
Real difference?
Effect size
Size
Net sale price
Mann–Whitney U
U = 144.00
—
0.0022
p < 0.0063
Yes
rank-biserial r = 0.714
large
Net price per SF
Mann–Whitney U
U = 118.00
—
0.0849
p < 0.0063
Unclear
rank-biserial r = 0.405
medium
Living area
Mann–Whitney U
U = 135.00
—
0.0094
p < 0.0063
Unclear
rank-biserial r = 0.607
large
Year built
Mann–Whitney U
U = 134.00
—
0.0108
p < 0.0063
Unclear
rank-biserial r = 0.595
large
Days on market
Mann–Whitney U
U = 111.00
—
0.1729
p < 0.0063
Unclear
rank-biserial r = 0.321
medium
Discount from original list
Mann–Whitney U
U = 87.00
—
0.8977
p < 0.0063
Unclear
rank-biserial r = 0.036
negligible
Price cut before sale
Chi-square
χ² = 0.74
1
0.3912
p < 0.0063
Unclear
Cramér’s V = 0.168
small
Seller paid closing costs or repairs
Chi-square
χ² = 0.54
1
0.4623
p < 0.0063
Unclear
Cramér’s V = 0.144
small
8.4 Data notes
Left out of the analysis: 11 new-construction sales (basic statistics only, section 7); 1 sale(s) other than single-family homes (condo, townhome and similar). Statistics: Python, NumPy 2.5.3, SciPy 1.18.1.
8.5 References
Cohen, J. (1988). Statistical Power Analysis for the Behavioral Sciences (2nd ed.). Erlbaum.
Cramér, H. (1946). Mathematical Methods of Statistics. Princeton University Press.
Dunn, O. J. (1961). Multiple comparisons among means. JASA, 56(293), 52–64.
Kerby, D. S. (2014). The simple difference formula: an approach to teaching nonparametric correlation. Comprehensive Psychology, 3, 11.IT.3.1.
Kruskal, W. H., & Wallis, W. A. (1952). Use of ranks in one-criterion variance analysis. JASA, 47(260), 583–621.
Mann, H. B., & Whitney, D. R. (1947). On a test of whether one of two random variables is stochastically larger than the other. Annals of Mathematical Statistics, 18(1), 50–60.
Pearson, K. (1900). On the criterion that a given system of deviations… Philosophical Magazine, 50(302), 157–175.
Tomczak, M., & Tomczak, E. (2014). The need to report effect size estimates revisited. Trends in Sport Sciences, 21(1), 19–25.