Market report · August 2026
Old Brookville housing market report
Nassau County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price down 7.4%; inventory up 15.4%; buyer's market
Market temperature · months of supply
8.2 months · buyer's market
Median sale price
$2.42M
Last year $5.02M · −51.8%
Closed sales
4
Last year 3 · +33.3%
Homes for sale
15
Last year 13 · +15.4%
Avg. days on market
19 days
Last year 47 days
% of original list
96.2%
Last year 88.4%
New listings
3
Last year 2 · +50.0%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 2 | 3 | +50.0% | 36 | 32 | −11.1% |
| Closed sales | 3 | 4 | +33.3% | 25 | 22 | −12.0% |
| Avg. days on market | 47 | 19 | −59.6% | 95 | 89 | −6.3% |
| Median sale price | $5,020,000 | $2,420,000 | −51.8% | $2,700,000 | $2,500,000 | −7.4% |
| % of original list | 88.4% | 96.2% | +8.8% | 90.7% | 90.2% | −0.6% |
| Homes for sale / Avg. homes for sale | 13 | 15 | +15.4% | 10 | 10 | 0.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $1.94M to $2.5M.
Highlights
- 10-year median +71.2%
- 9% sold above original list in 12 months
- $2M–$3M is the busiest band · 41% of sales
For sale today
Old Brookville Single-family 16 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.