Market report · August 2026
East Islip housing market report
Suffolk County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price up 14.7%; inventory up 57.1%; seller's market
Market temperature · months of supply
2.7 months · seller's market
Median sale price
$800K
Last year $741K · +8.0%
Closed sales
12
Last year 10 · +20.0%
Homes for sale
22
Last year 14 · +57.1%
Avg. days on market
22 days
Last year 34 days
% of original list
104.1%
Last year 103.0%
New listings
11
Last year 11 · 0.0%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 11 | 11 | 0.0% | 104 | 116 | +11.5% |
| Closed sales | 10 | 12 | +20.0% | 75 | 99 | +32.0% |
| Avg. days on market | 34 | 22 | −35.3% | 45 | 25 | −44.4% |
| Median sale price | $740,500 | $800,000 | +8.0% | $680,000 | $780,000 | +14.7% |
| % of original list | 103.0% | 104.1% | +1.1% | 103.4% | 103.9% | +0.5% |
| Homes for sale / Avg. homes for sale | 14 | 22 | +57.1% | 15 | 14 | −6.7% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $370K to $780K.
Highlights
- 10-year median +105.3%
- 78% sold above original list in 12 months
- $750K–$1M is the busiest band · 43% of sales
For sale today
East Islip Single-family 18 homes
12-month median price about flat; inventory up 50.0%; balanced market
Market temperature · months of supply
6 months · balanced market
Median sale price
$581K
Last year $700K · −17.0%
Closed sales
1
Last year 1 · 0.0%
Homes for sale
3
Last year 2 · +50.0%
Avg. days on market
60 days
Last year 27 days
% of original list
89.4%
Last year 101.5%
New listings
2
Last year 1 · +100.0%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 1 | 2 | +100.0% | 6 | 9 | +50.0% |
| Closed sales | 1 | 1 | 0.0% | 4 | 6 | +50.0% |
| Avg. days on market | 27 | 60 | +122.2% | 29 | 55 | +89.7% |
| Median sale price | $700,000 | $581,250 | −17.0% | $622,000 | $613,125 | −1.4% |
| % of original list | 101.5% | 89.4% | −11.9% | 100.4% | 97.8% | −2.6% |
| Homes for sale / Avg. homes for sale | 2 | 3 | +50.0% | 1 | 2 | +100.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $240K to $613K.
For sale today
East Islip Condo 3 homes
12-month median price about flat; seller's market
Market temperature · months of supply
2.4 months · seller's market
Median sale price
—
Last year $285K
Closed sales
0
Last year 3 · −100.0%
Homes for sale
1
Last year 0
Avg. days on market
—
Last year 31 days
% of original list
—
Last year 104.0%
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 | — | 19 | 7 | −63.2% |
| Closed sales | 3 | 0 | −100.0% | 14 | 5 | −64.3% |
| Avg. days on market | 31 | — | — | 51 | 17 | −66.7% |
| Median sale price | $285,000 | — | — | $278,000 | $280,000 | +0.7% |
| % of original list | 104.0% | — | — | 100.1% | 102.4% | +2.3% |
| Homes for sale / Avg. homes for sale | 0 | 1 | — | 2 | 0 | −100.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $126K to $280K.
For sale today
East Islip Co-op 2 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.