House Prices

House Prices & Home Values Cos Cob, CT 2026


Average Data

average house price$1,387,890
average size per house3036 ft²
average price per ft²458 $ / ft²

05/19/2026 - The value range (VR) for house prices in Cos Cob, CT is $537/ sqft to $537/ sqft. An average home with 3036 sqft costs approximately $1,630,332 to $1,630,332. Cos Cob, CT includes 1 ZIP codes and it is located in Fairfield county. The lowest prices are found in ZIP 06807, while the highest are in ZIP 06807. The average price per sqare feet is $458. Our analysis is based on 60 property listings.

Avergage prices by ZIP codes Cos Cob

06807564 $ / ft²


House prices by neighborhoods in Cos Cob

Cos Cob Harbor533 $ / ft²
Cos Cob Lower Landing Historic District540 $ / ft²
Loughlin Park535 $ / ft²
Mianus591 $ / ft²
Strickland Road Historic District535 $ / ft²




Historical development of home values in Cos Cob

Year Estimated value (USD) Change vs. 2025
2010 $644,561 -53.6%
2011 $619,636 -55.4%
2012 $617,968 -55.5%
2013 $641,066 -53.8%
2014 $672,942 -51.5%
2015 $707,480 -49.0%
2016 $744,401 -46.4%
2017 $784,580 -43.5%
2018 $827,956 -40.3%
2019 $866,346 -37.6%
2020 $911,132 -34.4%
2021 $1,036,315 -25.3%
2022 $1,208,110 -13.0%
2023 $1,274,008 -8.2%
2024 $1,347,712 -2.9%
2025 $1,387,890 0.0%

Graph: estimated home values in Cos Cob over time (USD)



Example: 100% financing house in Cos Cob

Loan amount: $1,387,890

Interest rate: 6.00%

Fixed monthly payment: $8,321.10

Breakdown in the 1st month:
Interest portion: $6,939.45  –  Principal portion: $1,381.65

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $82,809.77 $17,043.45 $1,370,846.55
2 $81,758.57 $18,094.65 $1,352,751.89
3 $80,642.53 $19,210.69 $1,333,541.20
4 $79,457.65 $20,395.57 $1,313,145.63
5 $78,199.70 $21,653.52 $1,291,492.11
6 $76,864.16 $22,989.06 $1,268,503.05
7 $75,446.24 $24,406.98 $1,244,096.07
8 $73,940.87 $25,912.35 $1,218,183.73
9 $72,342.66 $27,510.56 $1,190,673.16
10 $70,645.87 $29,207.35 $1,161,465.81
11 $68,844.42 $31,008.80 $1,130,457.01
12 $66,931.87 $32,921.36 $1,097,535.65
13 $64,901.35 $34,951.87 $1,062,583.78
14 $62,745.59 $37,107.63 $1,025,476.15
15 $60,456.88 $39,396.34 $986,079.81
16 $58,027.00 $41,826.23 $944,253.58
17 $55,447.25 $44,405.98 $899,847.61
18 $52,708.38 $47,144.84 $852,702.77
19 $49,800.59 $50,052.63 $802,650.14
20 $46,713.46 $53,139.77 $749,510.37
21 $43,435.91 $56,417.31 $693,093.06
22 $39,956.21 $59,897.01 $633,196.06
23 $36,261.90 $63,591.32 $569,604.73
24 $32,339.72 $67,513.50 $502,091.24
25 $28,175.64 $71,677.58 $430,413.66
26 $23,754.72 $76,098.50 $354,315.16
27 $19,061.14 $80,792.09 $273,523.07
28 $14,078.06 $85,775.17 $187,747.91
29 $8,787.63 $91,065.59 $96,682.32
30 $3,170.91 $96,682.32 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Cos Cob, CT


1500 sqft3900 sqft
Ø selling price$831,271$1,768,339
Ø fast selling$755,701$1,591,505
Ø high price sale$906,841$1,945,172

In 2026, houses in Cos Cob, CT will be offered at an average price of $458 per square foot. A 1,500 sqft home priced at $831,271 is 24.15% more expensive per square foot than a 3,900 sqft home priced at $1,768,339. Home prices in Cos Cob, CT vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $1,224,234. Sellers who can wait longer may achieve a higher price of up to $1,496,287.

FAQ – Home Values in Cos Cob

What is the median home value in Cos Cob in 2026?

In 2026, the typical home value in Cos Cob is about $1,387,890 for an average home size of 3036 square feet. This corresponds to an average price of roughly $458 per square foot.

What is the average cost per square foot in Cos Cob?

In 2026, homes in Cos Cob sell for an average of around $458 per square foot, with a typical range between $537 and $537 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Cos Cob is about 3036 square feet, with an estimated 2026 value around $1,387,890.



Locations close to Cos Cob, CT

Danbury, CT149 $ / ft²
New Fairfield, CT270 $ / ft²
Darien, CT261 $ / ft²
Brookfield, CT161 $ / ft²
Bethel, CT209 $ / ft²
Woodbury, CT181 $ / ft²
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