Market report · August 2026
Commack housing market report
Suffolk County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price up 3.8%; inventory up 27.3%; seller's market
Market temperature · months of supply
2.3 months · seller's market
Median sale price
$850K
Last year $860K · −1.2%
Closed sales
17
Last year 29 · −41.4%
Homes for sale
42
Last year 33 · +27.3%
Avg. days on market
29 days
Last year 26 days
% of original list
102.3%
Last year 101.6%
New listings
31
Last year 17 · +82.4%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 17 | 31 | +82.4% | 276 | 240 | −13.0% |
| Closed sales | 29 | 17 | −41.4% | 229 | 218 | −4.8% |
| Avg. days on market | 26 | 29 | +11.5% | 34 | 31 | −8.8% |
| Median sale price | $860,000 | $850,000 | −1.2% | $795,000 | $825,000 | +3.8% |
| % of original list | 101.6% | 102.3% | +0.7% | 101.3% | 101.6% | +0.3% |
| Homes for sale / Avg. homes for sale | 33 | 42 | +27.3% | 28 | 25 | −10.7% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $405K to $825K.
Highlights
- 10-year median +87.0%
- 61% sold above original list in 12 months
- $750K–$1M is the busiest band · 53% of sales
For sale today
Commack Single-family 27 homes
12-month median price up 13.9%; inventory down 83.3%; seller's market
Market temperature · months of supply
0.6 months · seller's market
Median sale price
$1.14M
Last year —
Closed sales
1
Last year 0
Homes for sale
1
Last year 6 · −83.3%
Avg. days on market
19 days
Last year —
% of original list
100.9%
Last year —
New listings
2
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 | 2 | −33.3% | 24 | 22 | −8.3% |
| Closed sales | 0 | 1 | — | 21 | 21 | 0.0% |
| Avg. days on market | — | 19 | — | 54 | 46 | −14.8% |
| Median sale price | — | $1,135,000 | — | $900,000 | $1,025,000 | +13.9% |
| % of original list | — | 100.9% | — | 97.4% | 98.1% | +0.7% |
| Homes for sale / Avg. homes for sale | 6 | 1 | −83.3% | 4 | 2 | −50.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $560K to $1.02M.
Highlights
- 10-year median +174.1%
- 29% sold above original list in 12 months
- $1M–$1.5M is the busiest band · 43% of sales
For sale today
Commack Condo 4 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.