Market report · August 2026
Lake Grove housing market report
Suffolk County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price up 9.3%; inventory up 82.4%; seller's market
Market temperature · months of supply
3.9 months · seller's market
Median sale price
$880K
Last year $770K · +14.3%
Closed sales
10
Last year 11 · −9.1%
Homes for sale
31
Last year 17 · +82.4%
Avg. days on market
31 days
Last year 30 days
% of original list
101.0%
Last year 102.7%
New listings
17
Last year 8 · +112.5%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 8 | 17 | +112.5% | 111 | 151 | +36.0% |
| Closed sales | 11 | 10 | −9.1% | 90 | 96 | +6.7% |
| Avg. days on market | 30 | 31 | +3.3% | 49 | 33 | −32.7% |
| Median sale price | $770,000 | $880,000 | +14.3% | $696,000 | $760,500 | +9.3% |
| % of original list | 102.7% | 101.0% | −1.7% | 101.6% | 101.3% | −0.3% |
| Homes for sale / Avg. homes for sale | 17 | 31 | +82.4% | 19 | 21 | +10.5% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $361K to $761K.
Highlights
- 10-year median +117.1%
- 55% sold above original list in 12 months
- $500K–$750K is the busiest band · 42% of sales
For sale today
Lake Grove Single-family 28 homes
12-month median price down 9.1%; inventory down 100.0%; seller's market
Market temperature · months of supply
0 months · seller's market
Median sale price
$605K
Last year $655K · −7.7%
Closed sales
3
Last year 1 · +200.0%
Homes for sale
0
Last year 1 · −100.0%
Avg. days on market
37 days
Last year 7 days
% of original list
99.5%
Last year 104.8%
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% | 12 | 10 | −16.7% |
| Closed sales | 1 | 3 | +200.0% | 9 | 15 | +66.7% |
| Avg. days on market | 7 | 37 | +428.6% | 75 | 33 | −56.0% |
| Median sale price | $655,000 | $604,500 | −7.7% | $693,000 | $630,000 | −9.1% |
| % of original list | 104.8% | 99.5% | −5.1% | 98.5% | 98.2% | −0.3% |
| Homes for sale / Avg. homes for sale | 1 | 0 | −100.0% | 2 | 1 | −50.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $531K to $630K.
Highlights
- 5-year median +13.5%
- 47% sold above original list in 12 months
For sale today
Lake Grove Condo 3 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.