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4207 Gem Ave, Castro Valley, CA 94546

  • $956,000

    Last sold date unavailable

  • 3

    bed

  • 1

    bath

  • 1,216

    Sqft ($728/Sqft)

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About 4207 Gem Ave

Property type House
Year built 1947
HOA fee $0/month
Lot size 5,940 Sqft
Movoto estimate
Rental estimate
Property description
This 3-bedroom, 1-bathroom single-family home is located at 4207 Gem Ave, Castro Valley, CA, 94546 in Alameda County and was built in 1947. This home offers 1,216 square feet of living space on a 5,940 sq ft lot. The estimated market value is $956,000, approximately $786 per square foot.
$956K
Range: $717K-$1.19M
Last 30 days 
Rental est.: $3,045/month
Gross rent multiplier: 24.2
  • Year Property taxes Tax assessment
  • 2024
    $4,279 +2.0%
    $299,127
  • 2023
    $4,194 +2.3%
    $299,127 +4.04%
  • 2022
    $4,099 +2.8%
    $287,513 +2.0%
  • 2021
    $3,988 +2.4%
    $281,875
  • 2020
    $3,895 -1.6%
    $281,875 +1.04%
  • 2019
    $3,957 +3.0%
    $278,985 +2.0%
  • 2018
    $3,842 +8.0%
    $273,515 +4.04%
  • 2016
    $3,556 +7.0%
    $262,895
  • 2015
    $3,324
    —
  • 4207 Gem Ave
    $885K
  • —
  • 94546
    $1.09M 0% y/y
  • Castro Valley
    $1.11M -7% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
20047 Garnet Ct, Castro Valley, CA 94546 $1,188,000 3/2 1,410 0.01
20059 Garnet Ct, Castro Valley, CA 94546 $958,000 3/1 1,080 0.02
4210 Gem Ave, Castro Valley, CA 94546 $836,000 2/1 888 0.02
20046 Garnet Ct, Castro Valley, CA 94546 $1,005,000 3/1 1,080 0.02
4217 Gem Ave, Castro Valley, CA 94546 $1,016,000 3/1 1,080 0.02
4216 Gem Ave, Castro Valley, CA 94546 $812,000 2/1 928 0.03
20065 Garnet Ct, Castro Valley, CA 94546 $1,230,000 4/2 1,515 0.03
20060 Garnet Ct, Castro Valley, CA 94546 $1,316,000 4/2 2,135 0.03

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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8/10
Creekside Middle School
public Grades 6-8
Castro Valley Unified School District
6/10
Canyon Middle School
public Grades 6-8
Castro Valley Unified School District
9/10
Castro Valley High School
public Grades 9-12
Castro Valley Unified School District
Source: GreatSchools.org © 2026. All rights reserved.

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