Market report · August 2026
Mamaroneck housing market report
Westchester County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price up 7.6%; inventory down 47.4%; seller's market
Market temperature · months of supply
1 months · seller's market
Median sale price
$1.23M
Last year $1.17M · +5.2%
Closed sales
14
Last year 8 · +75.0%
Homes for sale
10
Last year 19 · −47.4%
Avg. days on market
16 days
Last year 32 days
% of original list
109.5%
Last year 105.5%
New listings
4
Last year 7 · −42.9%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 7 | 4 | −42.9% | 123 | 124 | +0.8% |
| Closed sales | 8 | 14 | +75.0% | 96 | 116 | +20.8% |
| Avg. days on market | 32 | 16 | −50.0% | 35 | 23 | −34.3% |
| Median sale price | $1,170,500 | $1,231,000 | +5.2% | $1,255,085 | $1,350,000 | +7.6% |
| % of original list | 105.5% | 109.5% | +3.8% | 104.2% | 108.1% | +3.7% |
| Homes for sale / Avg. homes for sale | 19 | 10 | −47.4% | 15 | 13 | −13.3% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $717K to $1.35M.
Highlights
- 10-year median +56.1%
- 65% sold above original list in 12 months
- $1M–$1.5M is the busiest band · 25% of sales
For sale today
Mamaroneck Single-family 10 homes
12-month median price up 10.2%; inventory up 100.0%; seller's market
Market temperature · months of supply
2.2 months · seller's market
Median sale price
$645K
Last year $718K · −10.1%
Closed sales
3
Last year 2 · +50.0%
Homes for sale
4
Last year 2 · +100.0%
Avg. days on market
48 days
Last year 48 days
% of original list
93.9%
Last year 101.2%
New listings
1
Last year 0
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 0 | 1 | — | 24 | 29 | +20.8% |
| Closed sales | 2 | 3 | +50.0% | 25 | 22 | −12.0% |
| Avg. days on market | 48 | 48 | 0.0% | 52 | 40 | −23.1% |
| Median sale price | $717,500 | $645,000 | −10.1% | $635,000 | $700,000 | +10.2% |
| % of original list | 101.2% | 93.9% | −7.2% | 100.4% | 100.4% | 0.0% |
| Homes for sale / Avg. homes for sale | 2 | 4 | +100.0% | 3 | 3 | 0.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $444K to $700K.
Highlights
- 10-year median +75.4%
- 46% sold above original list in 12 months
- $500K–$750K is the busiest band · 55% of sales
For sale today
Mamaroneck Condo 7 homes
12-month median price up 51.2%; inventory down 25.0%; seller's market
Market temperature · months of supply
1.7 months · seller's market
Median sale price
$370K
Last year $314K · +18.0%
Closed sales
4
Last year 8 · −50.0%
Homes for sale
6
Last year 8 · −25.0%
Avg. days on market
33 days
Last year 49 days
% of original list
104.0%
Last year 101.7%
New listings
5
Last year 3 · +66.7%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 3 | 5 | +66.7% | 51 | 51 | 0.0% |
| Closed sales | 8 | 4 | −50.0% | 47 | 43 | −8.5% |
| Avg. days on market | 49 | 33 | −32.7% | 54 | 54 | 0.0% |
| Median sale price | $313,500 | $370,000 | +18.0% | $215,000 | $325,000 | +51.2% |
| % of original list | 101.7% | 104.0% | +2.3% | 98.2% | 100.1% | +1.9% |
| Homes for sale / Avg. homes for sale | 8 | 6 | −25.0% | 9 | 8 | −11.1% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $218K to $325K.
Highlights
- 10-year median +132.1%
- 37% sold above original list in 12 months
- $250K–$500K is the busiest band · 63% of sales
For sale today
Mamaroneck Co-op 6 homes
Curious what your home is worth?
Source: OneKey® MLS, calculated by Homix following OneKey's market report method; figures may differ slightly from OneKey's own reports. Prices do not account for concessions or down-payment assistance; small samples can make percent changes look extreme.