Active Listings
16
⇩ 38.5% vs 26 last year
Population: 3,568 · Density: 630.0/mi² · Median household income: $109,964
Typical home value: $420,870 · Homeownership: 96.8%
Data as of January 2026. Source: Realtor.com.
The ISLANDIA, NY real estate market (11749) currently shows 16 active listings, with 11 pending sales. Homes are averaging 86 days on the market before going under contract.
Inventory has tightened compared to last year, with 10 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 86 days on market compared to 49 days last year.
The median listing price has risen 10.7% year-over-year, from $622,250 to $689,000.
Whether you are buying or selling in ISLANDIA, NY, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 11749 | Islandia, NY 11749 | 0.0 mi | 16 | $11,562,672 | $689,000 | $722,667 |
| 11788 | Hauppauge, NY 11788 | 2.4 mi | 27 | $24,839,433 | $804,389 | $919,979 |
| 11767 | Nesconset, NY 11767 | 2.9 mi | 35 | $30,380,000 | $750,000 | $868,000 |
| 11752 | Islip Terrace, NY 11752 | 3.4 mi | 13 | $8,855,444 | $679,000 | $681,188 |
| 11755 | Lake Grove, NY 11755 | 4.5 mi | 31 | $27,949,352 | $774,993 | $901,592 |
| 11769 | Oakdale, NY 11769 | 5.3 mi | 19 | $15,897,528 | $864,995 | $836,712 |
| 11730 | East Islip, NY 11730 | 5.6 mi | 22 | $19,134,896 | $849,000 | $869,768 |
| 11780 | Saint James, NY 11780 | 5.9 mi | 48 | $74,024,784 | $1,078,500 | $1,542,183 |
| 11720 | Centereach, NY 11720 | 6.4 mi | 66 | $45,575,640 | $659,900 | $690,540 |
| 11742 | Holtsville, NY 11742 | 6.7 mi | 23 | $12,203,892 | $535,000 | $530,604 |
| 11754 | Kings Park, NY 11754 | 6.9 mi | 29 | $22,119,083 | $694,000 | $762,727 |
| 11790 | Stony Brook, NY 11790 | 7.3 mi | 26 | $21,428,524 | $785,000 | $824,174 |
| 11718 | Brightwaters, NY 11718 | 7.8 mi | 2 | $4,449,000 | $2,224,500 | $2,224,500 |
As of January 2026, there are 16 active listings in ISLANDIA, NY (zip code 11749), compared to 26 the prior year.
The median listing price in ISLANDIA, NY 11749 is $689,000 as of January 2026, a 10.7% increase from $622,250 the prior year.
Homes in ISLANDIA, NY 11749 spend an average of 86 days on the market before going under contract, compared to 49 days the prior year.
Based on current inventory and days-on-market data as of January 2026, ISLANDIA, NY 11749 is currently a Balanced Market. Inventory has tightened compared to last year, with 10 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 86 days on market compared to 49 days last year.
With SELL123.com's maximum 3% commission, sellers in ISLANDIA, NY 11749 save an estimated $13,780 compared to a typical 5% commission on the median listing price of $689,000. 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.