Active Listings
42
⇩ 6.7% vs 45 last year
Head of the Harbor
Data as of September 2026. Source: Realtor.com.
The STONY BROOK, NY real estate market (11790) currently shows 42 active listings, with 23 pending sales. Homes are averaging 37 days on the market before going under contract.
Inventory has tightened compared to last year, with 3 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 37 days on market compared to 39 days last year.
The median listing price has fallen 1% year-over-year, from $789,450 to $781,250.
Population: 19,282 · Density: 1,020.7/mi² · Median household income: $145,545
Typical home value: $576,023 · Homeownership: 89.2%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 11790 | Stony Brook, NY 11790 | 0.0 mi | 20 | $17,282,720 | $794,125 | $864,136 |
| 11780 | Saint James, NY 11780 | 2.4 mi | 40 | $65,196,640 | $1,099,000 | $1,629,916 |
| 11720 | Centereach, NY 11720 | 3.5 mi | 61 | $43,059,778 | $687,931 | $705,898 |
| 11767 | Nesconset, NY 11767 | 4.4 mi | 29 | $22,898,110 | $795,924 | $789,590 |
| 11784 | Selden, NY 11784 | 5.2 mi | 51 | $31,108,572 | $587,425 | $609,972 |
| 11766 | Mount Sinai, NY 11766 | 6.1 mi | 31 | $27,988,412 | $868,749 | $902,852 |
| 11779 | Ronkonkoma, NY 11779 | 6.6 mi | 62 | $41,033,832 | $629,998 | $661,836 |
| 11727 | Coram, NY 11727 | 6.7 mi | 96 | $45,079,776 | $471,750 | $469,581 |
| 11788 | Hauppauge, NY 11788 | 7.6 mi | 25 | $22,435,750 | $821,168 | $897,430 |
| 11764 | Miller Place, NY 11764 | 8.2 mi | 32 | $31,877,728 | $809,750 | $996,179 |
| 11789 | Sound Beach, NY 11789 | 8.8 mi | 25 | $16,417,600 | $589,000 | $656,704 |
| 11722 | Central Islip, NY 11722 | 9.3 mi | 60 | $34,043,580 | $591,750 | $567,393 |
| 11716 | Bohemia, NY 11716 | 9.4 mi | 16 | $11,150,192 | $699,990 | $696,887 |
As of September 2026, there are 42 active listings in STONY BROOK, NY (zip code 11790), compared to 45 the prior year.
The median listing price in STONY BROOK, NY 11790 is $781,250 as of September 2026, a 1% decrease from $789,450 the prior year.
Homes in STONY BROOK, NY 11790 spend an average of 37 days on the market before going under contract, compared to 39 days the prior year.
Based on current inventory and days-on-market data as of September 2026, STONY BROOK, NY 11790 is currently a Seller's Market. Inventory has tightened compared to last year, with 3 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 37 days on market compared to 39 days last year.
With SELL123.com's maximum 3% commission, sellers in STONY BROOK, NY 11790 save an estimated $15,625 compared to a typical 5% commission on the median listing price of $781,250. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.