Market report · August 2026
Mastic housing market report
Suffolk County · Data as of October 2, 2026 · Based on OneKey® MLS · Updated monthly
12-month median price up 3.6%; inventory up 33.3%; seller's market
Market temperature · months of supply
2.5 months · seller's market
Median sale price
$482K
Last year $562K · −14.2%
Closed sales
12
Last year 12 · 0.0%
Homes for sale
28
Last year 21 · +33.3%
Avg. days on market
24 days
Last year 21 days
% of original list
103.9%
Last year 98.5%
New listings
20
Last year 10 · +100.0%
Month and last 12 months
| Metric | August 2025 | August 2026 | Change | Thru 08/2025 | Thru 08/2026 | Change |
|---|---|---|---|---|---|---|
| New listings | 10 | 20 | +100.0% | 171 | 181 | +5.8% |
| Closed sales | 12 | 12 | 0.0% | 127 | 136 | +7.1% |
| Avg. days on market | 21 | 24 | +14.3% | 38 | 40 | +5.3% |
| Median sale price | $561,500 | $481,600 | −14.2% | $502,000 | $520,000 | +3.6% |
| % of original list | 98.5% | 103.9% | +5.5% | 101.4% | 101.2% | −0.2% |
| Homes for sale / Avg. homes for sale | 21 | 28 | +33.3% | 23 | 23 | 0.0% |
From 2013-01 to 2026-08, the rolling 12-month median moved from $129K to $520K.
Highlights
- 10-year median +225.0%
- 60% sold above original list in 12 months
- $500K–$750K is the busiest band · 60% of sales
For sale today
Mastic Single-family 24 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.