Population: 12,227 · Density: 1,440.1/mi² · Median household income: $121,196
Typical home value: $515,051 · Homeownership: 81.7%
Data as of January 2026. Source: Realtor.com.
The LAKE GROVE, NY real estate market (11755) currently shows 31 active listings, with 14 pending sales. Homes are averaging 54 days on the market before going under contract.
Inventory has tightened compared to last year, with 4 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 54 days on market compared to 73 days last year.
The median listing price has risen 8.5% year-over-year, from $714,495 to $774,993.
Whether you are buying or selling in LAKE GROVE, 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 $ |
|---|---|---|---|---|---|---|
| 11755 | Lake Grove, NY 11755 | 0.0 mi | 31 | $27,949,352 | $774,993 | $901,592 |
| 11720 | Centereach, NY 11720 | 2.0 mi | 66 | $45,575,640 | $659,900 | $690,540 |
| 11790 | Stony Brook, NY 11790 | 3.4 mi | 26 | $21,428,524 | $785,000 | $824,174 |
| 11784 | Selden, NY 11784 | 4.0 mi | 61 | $37,162,786 | $587,450 | $609,226 |
| 11749 | Islandia, NY 11749 | 4.5 mi | 16 | $11,562,672 | $689,000 | $722,667 |
| 11741 | Holbrook, NY 11741 | 5.0 mi | 28 | $18,410,168 | $662,500 | $657,506 |
| 11776 | Port Jefferson Station, NY 11776 | 5.3 mi | 56 | $34,326,264 | $623,750 | $612,969 |
| 11788 | Hauppauge, NY 11788 | 5.7 mi | 27 | $24,839,433 | $804,389 | $919,979 |
| 11727 | Coram, NY 11727 | 6.1 mi | 105 | $53,166,225 | $499,000 | $506,345 |
| 11777 | Port Jefferson, NY 11777 | 7.0 mi | 27 | $54,707,724 | $914,000 | $2,026,212 |
| 11763 | Medford, NY 11763 | 7.4 mi | 64 | $40,657,344 | $599,000 | $635,271 |
| 11752 | Islip Terrace, NY 11752 | 7.5 mi | 13 | $8,855,444 | $679,000 | $681,188 |
| 11705 | Bayport, NY 11705 | 8.5 mi | 8 | $8,087,992 | $849,000 | $1,010,999 |
As of January 2026, there are 31 active listings in LAKE GROVE, NY (zip code 11755), compared to 35 the prior year.
The median listing price in LAKE GROVE, NY 11755 is $774,993 as of January 2026, a 8.5% increase from $714,495 the prior year.
Homes in LAKE GROVE, NY 11755 spend an average of 54 days on the market before going under contract, compared to 73 days the prior year.
Based on current inventory and days-on-market data as of January 2026, LAKE GROVE, NY 11755 is currently a Seller's Market. Inventory has tightened compared to last year, with 4 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 54 days on market compared to 73 days last year.
With SELL123.com's maximum 3% commission, sellers in LAKE GROVE, NY 11755 save an estimated $15,500 compared to a typical 5% commission on the median listing price of $774,993. 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.