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155 Cognewaugh Rd, Cos Cob, CT 06807

$3,530,000

Last sold date unavailable

  • 4

    bed

  • 4

    bath

  • 4,836

    Sqft ($706/Sqft)

House not for sale
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About 155 Cognewaugh Rd

Property type House
Neighborhood
Year built 1964
HOA fee $0/month
Lot size 2 Sqft
Movoto estimate
Property description
This 4-bedroom, 4-bathroom single-family home is located at 155 Cognewaugh Rd, Cos Cob, CT, 06807, in the Cos Cob neighborhood in Fairfield County and was built in 1964. This home offers 4,836 square feet of living space on a 2-acre lot. The estimated market value is $3,530,000, approximately $730 per square foot.
$3.53M
Range: $3.14M-$3.91M
Last 30 days 
  • Year Property taxes Tax assessment
  • 2024
    $16,871 +2.8%
    $1,401,260
  • 2023
    $16,409 +3.8%
    $1,401,260
  • 2022
    $15,806 -11.6%
    $1,401,260 -9.12%
  • 2021
    $17,871
    $1,541,960
  • 2020
    $17,871 -0.8%
    $1,541,960
  • 2019
    $18,010 -1.6%
    $1,541,960
  • 2018
    $18,303 +4.4%
    $1,541,960
  • 2017
    $17,532 +1.5%
    $1,541,960
  • 2016
    $17,270
    $1,541,960
  • 155 Cognewaugh Rd
    $3.41M
  • Cos Cob
    $1.47M 0% y/y
  • 06807
    $1.76M +11% y/y
  • Cos Cob
    $2.49M +51% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
171 Cognewaugh Rd, Cos Cob, CT 06807 $4,508,000 3/4 3,007 0.04
164 Cognewaugh Rd, Cos Cob, CT 06807 $2,015,000 4/2 2,184 0.05
154 Cognewaugh Rd, Cos Cob, CT 06807 $4,924,000 5/4 5,234 0.05
163 Cognewaugh Rd, Cos Cob, CT 06807 $2,803,000 4/3 3,474 0.06
145 Cognewaugh Rd, Cos Cob, CT 06807 $2,942,000 4/3 3,582 0.06
181 Cognewaugh Rd, Cos Cob, CT 06807 $3,791,000 5/5 4,587 0.08
178 Cognewaugh Rd, Cos Cob, CT 06807 $3,908,000 4/6 4,942 0.08
144 Cognewaugh Rd, Cos Cob, CT 06807 $2,110,000 2/2 2,585 0.09

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.

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9/10
North Street School
public Grades PK, K-5
Greenwich School District
7/10
Central Middle School
public Grades 6-8
Greenwich School District
8/10
Greenwich High School
public Grades 9-12
Greenwich School District
Source: GreatSchools.org © 2026. All rights reserved.

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