Data as of September 2026. Source: Realtor.com.
The SMITHTOWN, NY real estate market (11787) currently shows 118 active listings, with 57 pending sales. Homes are averaging 47 days on the market before going under contract.
Inventory levels are unchanged compared to last year.
Homes are selling faster, averaging 47 days on market compared to 61 days last year.
The median listing price has fallen 5.5% year-over-year, from $899,000 to $849,250.
Population: 34,408 · Density: 891.7/mi² · Median household income: $139,239
Typical home value: $621,916 · Homeownership: 87.3%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 11787 | Smithtown, NY 11787 | 0.0 mi | 57 | $62,926,518 | $829,900 | $1,103,974 |
| 11754 | Kings Park, NY 11754 | 3.0 mi | 25 | $18,247,350 | $700,500 | $729,894 |
| 11767 | Nesconset, NY 11767 | 3.5 mi | 29 | $22,898,110 | $795,924 | $789,590 |
| 11749 | Islandia, NY 11749 | 3.8 mi | 14 | $8,769,250 | $669,250 | $626,375 |
| 11755 | Lake Grove, NY 11755 | 4.9 mi | 29 | $26,744,728 | $837,499 | $922,232 |
| 11731 | East Northport, NY 11731 | 5.6 mi | 36 | $32,779,548 | $819,326 | $910,543 |
| 11779 | Ronkonkoma, NY 11779 | 5.7 mi | 62 | $41,033,832 | $629,998 | $661,836 |
| 11752 | Islip Terrace, NY 11752 | 6.9 mi | 10 | $6,994,000 | $652,447 | $699,400 |
| 11768 | Northport, NY 11768 | 7.2 mi | 53 | $87,865,361 | $1,396,000 | $1,657,837 |
| 11733 | East Setauket, NY 11733 | 8.0 mi | 36 | $61,368,372 | $947,500 | $1,704,677 |
| 11741 | Holbrook, NY 11741 | 8.4 mi | 35 | $23,959,845 | $680,000 | $684,567 |
| 11729 | Deer Park, NY 11729 | 8.5 mi | 44 | $42,419,960 | $695,750 | $964,090 |
| 11730 | East Islip, NY 11730 | 8.8 mi | 19 | $17,498,658 | $917,000 | $920,982 |
As of September 2026, there are 118 active listings in SMITHTOWN, NY (zip code 11787), compared to 118 the prior year.
The median listing price in SMITHTOWN, NY 11787 is $849,250 as of September 2026, a 5.5% decrease from $899,000 the prior year.
Homes in SMITHTOWN, NY 11787 spend an average of 47 days on the market before going under contract, compared to 61 days the prior year.
Based on current inventory and days-on-market data as of September 2026, SMITHTOWN, NY 11787 is currently a Balanced Market. Inventory levels are unchanged compared to last year. Homes are selling faster, averaging 47 days on market compared to 61 days last year.
With SELL123.com's maximum 3% commission, sellers in SMITHTOWN, NY 11787 save an estimated $16,985 compared to a typical 5% commission on the median listing price of $849,250. 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.