Active Listings
26
⇧ 8.3% vs 24 last year
Data as of September 2026. Source: Realtor.com.
The OLD GREENWICH, CT real estate market (06870) currently shows 26 active listings, with 5 pending sales. Homes are averaging 18 days on the market before going under contract.
Inventory has increased compared to last year, with 2 more homes available — giving buyers more choice.
Homes are selling faster, averaging 18 days on market compared to 38 days last year.
The median listing price has fallen 7% year-over-year, from $3,523,250 to $3,275,000.
Population: 8,096 · Density: 1,378.6/mi² · Median household income: $215,000
Typical home value: $1,565,240 · Homeownership: 80.8%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 06870 | Old Greenwich, CT 06870 | 0.0 mi | 8 | $18,364,000 | $2,143,500 | $2,295,500 |
| 06901 | Stamford, CT 06901 | 2.4 mi | 14 | $5,652,822 | $403,500 | $403,773 |
| 06807 | Cos Cob, CT 06807 | 2.5 mi | 10 | $16,828,330 | $1,861,000 | $1,682,833 |
| 06906 | Stamford, CT 06906 | 3.9 mi | 12 | $6,365,748 | $551,725 | $530,479 |
| 10573 | Port Chester, NY 10573 | 5.7 mi | 27 | $21,009,348 | $635,975 | $778,124 |
| 06820 | Darien, CT 06820 | 5.8 mi | 26 | $125,791,250 | $3,447,250 | $4,838,125 |
| 10580 | Rye, NY 10580 | 7.3 mi | 26 | $106,161,796 | $3,911,750 | $4,083,146 |
| 06853 | Norwalk, CT 06853 | 7.4 mi | 10 | $29,050,830 | $2,661,000 | $2,905,083 |
| 11709 | Bayville, NY 11709 | 8.5 mi | 17 | $22,159,704 | $1,217,250 | $1,303,512 |
| 10528 | Harrison, NY 10528 | 8.7 mi | 10 | $25,481,560 | $2,667,250 | $2,548,156 |
| 10605 | White Plains, NY 10605 | 9.3 mi | 30 | $22,199,970 | $436,975 | $739,999 |
| 06840 | New Canaan, CT 06840 | 9.7 mi | 64 | $255,090,560 | $3,014,375 | $3,985,790 |
| 10504 | Armonk, NY 10504 | 10.0 mi | 31 | $109,487,815 | $3,066,450 | $3,531,865 |
As of September 2026, there are 26 active listings in OLD GREENWICH, CT (zip code 06870), compared to 24 the prior year.
The median listing price in OLD GREENWICH, CT 06870 is $3,275,000 as of September 2026, a 7% decrease from $3,523,250 the prior year.
Homes in OLD GREENWICH, CT 06870 spend an average of 18 days on the market before going under contract, compared to 38 days the prior year.
Based on current inventory and days-on-market data as of September 2026, OLD GREENWICH, CT 06870 is currently a Balanced Market. Inventory has increased compared to last year, with 2 more homes available — giving buyers more choice. Homes are selling faster, averaging 18 days on market compared to 38 days last year.
With SELL123.com's maximum 3% commission, sellers in OLD GREENWICH, CT 06870 save an estimated $65,500 compared to a typical 5% commission on the median listing price of $3,275,000. 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.