Active Listings
48
⇩ 14.3% vs 56 last year
Data as of September 2026. Source: Realtor.com.
The PORT JEFFERSON, NY real estate market (11777) currently shows 48 active listings, with 17 pending sales. Homes are averaging 37 days on the market before going under contract.
Inventory has tightened compared to last year, with 8 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 37 days on market compared to 58 days last year.
The median listing price has risen 14.7% year-over-year, from $1,037,500 to $1,190,000.
Population: 9,257 · Density: 813.8/mi² · Median household income: $136,484
Typical home value: $643,138 · Homeownership: 73.3%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 11777 | Port Jefferson, NY 11777 | 0.0 mi | 24 | $44,714,808 | $752,500 | $1,863,117 |
| 11766 | Mount Sinai, NY 11766 | 2.7 mi | 31 | $27,988,412 | $868,749 | $902,852 |
| 11790 | Stony Brook, NY 11790 | 4.5 mi | 20 | $17,282,720 | $794,125 | $864,136 |
| 11789 | Sound Beach, NY 11789 | 4.8 mi | 25 | $16,417,600 | $589,000 | $656,704 |
| 11784 | Selden, NY 11784 | 5.9 mi | 51 | $31,108,572 | $587,425 | $609,972 |
| 11780 | Saint James, NY 11780 | 6.9 mi | 40 | $65,196,640 | $1,099,000 | $1,629,916 |
| 11755 | Lake Grove, NY 11755 | 7.0 mi | 29 | $26,744,728 | $837,499 | $922,232 |
| 11738 | Farmingville, NY 11738 | 8.0 mi | 26 | $17,802,746 | $578,725 | $684,721 |
| 11786 | Shoreham, NY 11786 | 9.1 mi | 8 | $7,365,416 | $906,995 | $920,677 |
| 11742 | Holtsville, NY 11742 | 9.8 mi | 24 | $13,164,792 | $538,750 | $548,533 |
| 11779 | Ronkonkoma, NY 11779 | 10.0 mi | 62 | $41,033,832 | $629,998 | $661,836 |
| 11754 | Kings Park, NY 11754 | 10.5 mi | 25 | $18,247,350 | $700,500 | $729,894 |
| 11980 | Yaphank, NY 11980 | 11.1 mi | 11 | $9,341,739 | $872,499 | $849,249 |
As of September 2026, there are 48 active listings in PORT JEFFERSON, NY (zip code 11777), compared to 56 the prior year.
The median listing price in PORT JEFFERSON, NY 11777 is $1,190,000 as of September 2026, a 14.7% increase from $1,037,500 the prior year.
Homes in PORT JEFFERSON, NY 11777 spend an average of 37 days on the market before going under contract, compared to 58 days the prior year.
Based on current inventory and days-on-market data as of September 2026, PORT JEFFERSON, NY 11777 is currently a Seller's Market. Inventory has tightened compared to last year, with 8 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 37 days on market compared to 58 days last year.
With SELL123.com's maximum 3% commission, sellers in PORT JEFFERSON, NY 11777 save an estimated $23,800 compared to a typical 5% commission on the median listing price of $1,190,000. 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.