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Sold on 06/18/2018
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21 Knoll St, Riverside, CT 06878

$3,487,300

Last sold 06/18/2018 for $1.85M

  • 4

    bed

  • 3

    bath

  • 2,980

    Sqft ($622/Sqft)

House not for sale
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About 21 Knoll St

Property type House
Neighborhood
Year built 1930
HOA fee $0/month
Lot size 0.26 Acre
Movoto estimate
Property description
This 4-bedroom, 3-bathroom single-family home is located at 21 Knoll St, Riverside, CT, 06878, in the Riverside neighborhood in Fairfield County and was built in 1930. This home offers 2,980 square feet of living space on a 11,326 sq ft lot. The estimated market value is $3,487,300, approximately $1,170 per square foot.
$3.48M
Range: $3.03M-$3.94M
Last 30 days 
  • — Off Market
    —
  • Jun 2018
    Public Records
  • Jun 18, 2018 Sold
    $1,855,000
  • Year Property taxes Tax assessment
  • 2024
    $18,520 +3.5%
    $1,498,490
  • 2023
    $17,886 +3.5%
    $1,498,490
  • 2022
    $17,278 +17.2%
    $1,498,490 +22.38%
  • 2021
    $14,742
    $1,224,440 -0.18%
  • 2020
    $14,744 -1.0%
    $1,226,610
  • 2019
    $14,891 +4.7%
    $1,226,610 +6.64%
  • 2018
    $14,228 +2.9%
    $1,150,240
  • 2017
    $13,825 +1.6%
    $1,150,240
  • 2016
    $13,606
    $1,150,240
  • 21 Knoll St
    $1.85M
  • Riverside
    $1.87M
  • 06878
    $4.15M -3% y/y
  • Riverside
    $1.75M -25% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
18 Spring St, Riverside, CT 06878 $3,060,600 4/3 3,192 0.01
19 Knoll St, Riverside, CT 06878 $2,993,900 4/3 2,523 0.02
17 Knoll St, Riverside, CT 06878 $2,616,700 4/3 2,276 0.03
20 Knoll St, Riverside, CT 06878 $4,258,900 5/4 3,625 0.03
26 Spring St, Riverside, CT 06878 $2,712,500 5/3 2,865 0.04
25 Summit Rd, Riverside, CT 06878 $2,791,000 4/3 2,489 0.04
22 Knoll St, Riverside, CT 06878 $3,185,400 4/3 3,227 0.04
18 Knoll St, Riverside, CT 06878 $4,716,000 6/4 4,264 0.04

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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10/10
Riverside School
public Grades K-5
Greenwich School District
10/10
Eastern 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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