Active Listings
49
⇩ 26.9% vs 67 last year
Data as of September 2026. Source: Realtor.com.
The MOUNT SINAI, NY real estate market (11766) currently shows 49 active listings, with 19 pending sales. Homes are averaging 43 days on the market before going under contract.
Inventory has tightened compared to last year, with 18 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 43 days on market compared to 72 days last year.
The median listing price has risen 3.3% year-over-year, from $834,000 to $861,748.
Population: 11,476 · Density: 735.1/mi² · Median household income: $146,042
Typical home value: $590,050 · Homeownership: 97.7%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 11766 | Mount Sinai, NY 11766 | 0.0 mi | 31 | $27,988,412 | $868,749 | $902,852 |
| 11776 | Port Jefferson Station, NY 11776 | 2.2 mi | 57 | $37,459,944 | $658,250 | $657,192 |
| 11789 | Sound Beach, NY 11789 | 2.8 mi | 25 | $16,417,600 | $589,000 | $656,704 |
| 11778 | Rocky Point, NY 11778 | 4.5 mi | 57 | $31,319,904 | $584,249 | $549,472 |
| 11784 | Selden, NY 11784 | 4.9 mi | 51 | $31,108,572 | $587,425 | $609,972 |
| 11720 | Centereach, NY 11720 | 5.7 mi | 61 | $43,059,778 | $687,931 | $705,898 |
| 11786 | Shoreham, NY 11786 | 6.7 mi | 8 | $7,365,416 | $906,995 | $920,677 |
| 11961 | Ridge, NY 11961 | 7.2 mi | 74 | $37,580,382 | $499,450 | $507,843 |
| 11763 | Medford, NY 11763 | 7.9 mi | 68 | $41,101,444 | $592,000 | $604,433 |
| 11980 | Yaphank, NY 11980 | 8.7 mi | 11 | $9,341,739 | $872,499 | $849,249 |
| 11767 | Nesconset, NY 11767 | 9.2 mi | 29 | $22,898,110 | $795,924 | $789,590 |
| 11779 | Ronkonkoma, NY 11779 | 10.0 mi | 62 | $41,033,832 | $629,998 | $661,836 |
| 11713 | Bellport, NY 11713 | 11.6 mi | 33 | $49,803,138 | $673,745 | $1,509,186 |
As of September 2026, there are 49 active listings in MOUNT SINAI, NY (zip code 11766), compared to 67 the prior year.
The median listing price in MOUNT SINAI, NY 11766 is $861,748 as of September 2026, a 3.3% increase from $834,000 the prior year.
Homes in MOUNT SINAI, NY 11766 spend an average of 43 days on the market before going under contract, compared to 72 days the prior year.
Based on current inventory and days-on-market data as of September 2026, MOUNT SINAI, NY 11766 is currently a Seller's Market. Inventory has tightened compared to last year, with 18 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 43 days on market compared to 72 days last year.
With SELL123.com's maximum 3% commission, sellers in MOUNT SINAI, NY 11766 save an estimated $17,235 compared to a typical 5% commission on the median listing price of $861,748. 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.