Active Listings
52
⇩ 17.5% vs 63 last year
Islip
Data as of September 2026. Source: Realtor.com.
The ISLIP, NY real estate market (11751) currently shows 52 active listings, with 21 pending sales. Homes are averaging 34 days on the market before going under contract.
Inventory has tightened compared to last year, with 11 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 34 days on market compared to 45 days last year.
The median listing price has fallen 15.2% year-over-year, from $648,250 to $549,950.
Population: 13,501 · Density: 1,315.1/mi² · Median household income: $114,185
Typical home value: $461,031 · Homeownership: 83.7%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 11751 | Islip, NY 11751 | 0.0 mi | 43 | $30,087,143 | $604,000 | $699,701 |
| 11706 | Bay Shore, NY 11706 | 2.2 mi | 81 | $62,117,361 | $639,225 | $766,881 |
| 11752 | Islip Terrace, NY 11752 | 2.9 mi | 10 | $6,994,000 | $652,447 | $699,400 |
| 11722 | Central Islip, NY 11722 | 3.8 mi | 60 | $34,043,580 | $591,750 | $567,393 |
| 11769 | Oakdale, NY 11769 | 4.5 mi | 18 | $14,123,808 | $819,500 | $784,656 |
| 11716 | Bohemia, NY 11716 | 5.4 mi | 16 | $11,150,192 | $699,990 | $696,887 |
| 11703 | North Babylon, NY 11703 | 5.8 mi | 35 | $19,392,240 | $599,965 | $554,064 |
| 11729 | Deer Park, NY 11729 | 6.1 mi | 44 | $42,419,960 | $695,750 | $964,090 |
| 11770 | Ocean Beach, NY 11770 | 6.8 mi | 21 | $41,025,180 | $1,712,250 | $1,953,580 |
| 11704 | West Babylon, NY 11704 | 7.6 mi | 51 | $32,906,934 | $653,749 | $645,234 |
| 11725 | Commack, NY 11725 | 8.4 mi | 36 | $34,622,208 | $849,995 | $961,728 |
| 11702 | Babylon, NY 11702 | 8.5 mi | 26 | $36,591,932 | $1,137,000 | $1,407,382 |
| 11798 | Wyandanch, NY 11798 | 8.6 mi | 33 | $22,061,391 | $600,000 | $668,527 |
As of September 2026, there are 52 active listings in ISLIP, NY (zip code 11751), compared to 63 the prior year.
The median listing price in ISLIP, NY 11751 is $549,950 as of September 2026, a 15.2% decrease from $648,250 the prior year.
Homes in ISLIP, NY 11751 spend an average of 34 days on the market before going under contract, compared to 45 days the prior year.
Based on current inventory and days-on-market data as of September 2026, ISLIP, NY 11751 is currently a Seller's Market. Inventory has tightened compared to last year, with 11 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 34 days on market compared to 45 days last year.
With SELL123.com's maximum 3% commission, sellers in ISLIP, NY 11751 save an estimated $10,999 compared to a typical 5% commission on the median listing price of $549,950. 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.