Market report · August 2026
Westbury housing market report
Nassau County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price up 3.0%; inventory up 14.3%; seller's market
Market temperature · months of supply
3.7 months · seller's market
Median sale price
$800K
Last year $858K · −6.8%
Closed sales
29
Last year 15 · +93.3%
Homes for sale
64
Last year 56 · +14.3%
Avg. days on market
31 days
Last year 20 days
% of original list
101.0%
Last year 100.7%
New listings
27
Last year 26 · +3.8%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 26 | 27 | +3.8% | 281 | 324 | +15.3% |
| Closed sales | 15 | 29 | +93.3% | 226 | 209 | −7.5% |
| Avg. days on market | 20 | 31 | +55.0% | 40 | 47 | +17.5% |
| Median sale price | $858,000 | $800,000 | −6.8% | $796,500 | $820,000 | +3.0% |
| % of original list | 100.7% | 101.0% | +0.3% | 100.3% | 98.5% | −1.8% |
| Homes for sale / Avg. homes for sale | 56 | 64 | +14.3% | 44 | 52 | +18.2% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $350K to $820K.
Highlights
- 10-year median +102.5%
- 43% sold above original list in 12 months
- $750K–$1M is the busiest band · 49% of sales
For sale today
Westbury Single-family 72 homes
12-month median price up 10.8%; inventory up 116.7%; seller's market
Market temperature · months of supply
3.3 months · seller's market
Median sale price
$590K
Last year $390K · +51.3%
Closed sales
9
Last year 3 · +200.0%
Homes for sale
13
Last year 6 · +116.7%
Avg. days on market
30 days
Last year 103 days
% of original list
103.2%
Last year 98.3%
New listings
6
Last year 3 · +100.0%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 3 | 6 | +100.0% | 57 | 62 | +8.8% |
| Closed sales | 3 | 9 | +200.0% | 64 | 47 | −26.6% |
| Avg. days on market | 103 | 30 | −70.9% | 54 | 36 | −33.3% |
| Median sale price | $390,000 | $590,000 | +51.3% | $577,500 | $640,000 | +10.8% |
| % of original list | 98.3% | 103.2% | +5.0% | 98.9% | 100.0% | +1.1% |
| Homes for sale / Avg. homes for sale | 6 | 13 | +116.7% | 7 | 7 | 0.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $290K to $640K.
Highlights
- 10-year median +82.9%
- 45% sold above original list in 12 months
- $250K–$500K is the busiest band · 38% of sales
For sale today
Westbury Condo 8 homes
12-month median price about flat; inventory down 100.0%; seller's market
Market temperature · months of supply
0 months · seller's market
Median sale price
—
Last year —
Closed sales
0
Last year 0
Homes for sale
0
Last year 2 · −100.0%
Avg. days on market
—
Last year —
% of original list
—
Last year —
New listings
0
Last year 0
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 0 | 0 | — | 7 | 7 | 0.0% |
| Closed sales | 0 | 0 | — | 7 | 7 | 0.0% |
| Avg. days on market | — | — | — | 44 | 63 | +43.2% |
| Median sale price | — | — | — | $242,000 | $249,000 | +2.9% |
| % of original list | — | — | — | 98.5% | 97.0% | −1.5% |
| Homes for sale / Avg. homes for sale | 2 | 0 | −100.0% | 1 | 1 | 0.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $68K to $249K.
For sale today
Westbury Co-op 1 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.