Market report · August 2026
Roslyn Heights housing market report
Nassau County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price down 11.1%; inventory down 5.3%; balanced market
Market temperature · months of supply
4.4 months · balanced market
Median sale price
$910K
Last year $1.43M · −36.4%
Closed sales
5
Last year 4 · +25.0%
Homes for sale
18
Last year 19 · −5.3%
Avg. days on market
57 days
Last year 17 days
% of original list
100.4%
Last year 93.6%
New listings
3
Last year 6 · −50.0%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 6 | 3 | −50.0% | 86 | 69 | −19.8% |
| Closed sales | 4 | 5 | +25.0% | 62 | 49 | −21.0% |
| Avg. days on market | 17 | 57 | +235.3% | 54 | 47 | −13.0% |
| Median sale price | $1,430,000 | $910,000 | −36.4% | $1,350,000 | $1,200,000 | −11.1% |
| % of original list | 93.6% | 100.4% | +7.3% | 96.0% | 96.7% | +0.7% |
| Homes for sale / Avg. homes for sale | 19 | 18 | −5.3% | 17 | 16 | −5.9% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $596K to $1.2M.
Highlights
- 10-year median +57.2%
- 31% sold above original list in 12 months
- $750K–$1M is the busiest band · 33% of sales
For sale today
Roslyn Heights Single-family 19 homes
12-month median price up 15.4%; seller's market
Market temperature · months of supply
2 months · seller's market
Median sale price
$1.69M
Last year —
Closed sales
1
Last year 0
Homes for sale
1
Last year 0
Avg. days on market
22 days
Last year —
% of original list
100.0%
Last year —
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 | — | 9 | 7 | −22.2% |
| Closed sales | 0 | 1 | — | 9 | 6 | −33.3% |
| Avg. days on market | — | 22 | — | 29 | 29 | 0.0% |
| Median sale price | — | $1,685,000 | — | $1,380,000 | $1,592,500 | +15.4% |
| % of original list | — | 100.0% | — | 101.1% | 101.1% | 0.0% |
| Homes for sale / Avg. homes for sale | 0 | 1 | — | 1 | 1 | 0.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $780K to $1.59M.
For sale today
Roslyn Heights Condo 1 homes
12-month median price up 23.9%; inventory up 250.0%; balanced market
Market temperature · months of supply
4.7 months · balanced market
Median sale price
$420K
Last year $345K · +21.7%
Closed sales
2
Last year 1 · +100.0%
Homes for sale
7
Last year 2 · +250.0%
Avg. days on market
25 days
Last year 29 days
% of original list
99.5%
Last year 119.4%
New listings
4
Last year 3 · +33.3%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 3 | 4 | +33.3% | 29 | 26 | −10.3% |
| Closed sales | 1 | 2 | +100.0% | 27 | 18 | −33.3% |
| Avg. days on market | 29 | 25 | −13.8% | 44 | 41 | −6.8% |
| Median sale price | $345,000 | $420,000 | +21.7% | $335,000 | $415,000 | +23.9% |
| % of original list | 119.4% | 99.5% | −16.7% | 101.1% | 101.3% | +0.2% |
| Homes for sale / Avg. homes for sale | 2 | 7 | +250.0% | 3 | 5 | +66.7% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $162K to $415K.
Highlights
- 10-year median +121.3%
- 72% sold above original list in 12 months
For sale today
Roslyn Heights Co-op 6 homes
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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.