Market report · August 2026
Deer Park housing market report
Suffolk County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price up 6.0%; inventory down 3.7%; seller's market
Market temperature · months of supply
1.8 months · seller's market
Median sale price
$710K
Last year $655K · +8.4%
Closed sales
24
Last year 19 · +26.3%
Homes for sale
26
Last year 27 · −3.7%
Avg. days on market
30 days
Last year 20 days
% of original list
105.2%
Last year 104.6%
New listings
19
Last year 16 · +18.8%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 16 | 19 | +18.8% | 230 | 242 | +5.2% |
| Closed sales | 19 | 24 | +26.3% | 190 | 175 | −7.9% |
| Avg. days on market | 20 | 30 | +50.0% | 36 | 34 | −5.6% |
| Median sale price | $655,000 | $710,000 | +8.4% | $651,000 | $690,000 | +6.0% |
| % of original list | 104.6% | 105.2% | +0.6% | 102.7% | 102.5% | −0.2% |
| Homes for sale / Avg. homes for sale | 27 | 26 | −3.7% | 24 | 28 | +16.7% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $275K to $690K.
Highlights
- 10-year median +109.7%
- 63% sold above original list in 12 months
- $500K–$750K is the busiest band · 74% of sales
For sale today
Deer Park Single-family 38 homes
12-month median price up 12.0%; inventory about flat; seller's market
Market temperature · months of supply
1.2 months · seller's market
Median sale price
$560K
Last year —
Closed sales
1
Last year 0
Homes for sale
1
Last year 1 · 0.0%
Avg. days on market
21 days
Last year —
% of original list
101.8%
Last year —
New listings
1
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 | 1 | −50.0% | 14 | 8 | −42.9% |
| Closed sales | 0 | 1 | — | 12 | 10 | −16.7% |
| Avg. days on market | — | 21 | — | 24 | 21 | −12.5% |
| Median sale price | — | $560,000 | — | $480,000 | $537,500 | +12.0% |
| % of original list | — | 101.8% | — | 103.2% | 102.7% | −0.5% |
| Homes for sale / Avg. homes for sale | 1 | 1 | 0.0% | 1 | 1 | 0.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $280K to $538K.
Highlights
- 10-year median +85.4%
- 70% sold above original list in 12 months
For sale today
Deer Park Condo 0 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.