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4347 Gem Ave, Castro Valley, CA 94546

  • $996,000

    Last sold date unavailable

  • 2

    bed

  • 1

    bath

  • 827

    Sqft ($668/Sqft)

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About 4347 Gem Ave

Property type House
Year built 1949
HOA fee $0/month
Lot size 5,175 Sqft
Movoto estimate
Rental estimate
Property description
This 2-bedroom, 1-bathroom single-family home is located at 4347 Gem Ave, Castro Valley, CA, 94546 in Alameda County and was built in 1949. This home offers 827 square feet of living space on a 5,175 sq ft lot. The estimated market value is $996,000, approximately $1,204 per square foot.
$996K
Range: $747K-$1.24M
Last 30 days 
Rental est.: $2,492/month
Gross rent multiplier: 18.5
  • Year Property taxes Tax assessment
  • 2024
    $1,489 +3.3%
    $55,525 +2.0%
  • 2023
    $1,442 +3.4%
    $54,436 +2.0%
  • 2022
    $1,394 +3.1%
    $53,369
  • 2021
    $1,352 +2.6%
    $53,369 +3.05%
  • 2020
    $1,318 -0.8%
    $51,787
  • 2019
    $1,329 +3.0%
    $51,787 +2.0%
  • 2018
    $1,290 +8.1%
    $50,771 +4.04%
  • 2016
    $1,193 +6.9%
    $48,800
  • 2015
    $1,116
    —
  • 4347 Gem Ave
    $552K
  • —
  • 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
4353 Gem Ave, Castro Valley, CA 94546 $1,024,000 4/1 1,014 0.01
4341 Gem Ave, Castro Valley, CA 94546 $1,073,000 3/2 1,202 0.01
20050 Diamond Ct, Castro Valley, CA 94546 $1,045,000 3/2 1,324 0.02
4359 Gem Ave, Castro Valley, CA 94546 $979,000 3/1 1,012 0.02
4352 Gem Ave, Castro Valley, CA 94546 $975,000 3/1 1,510 0.02
4346 Gem Ave, Castro Valley, CA 94546 $1,299,000 4/2 1,871 0.02
20049 Sapphire St, Castro Valley, CA 94546 $1,304,000 4/2 1,871 0.03
4358 Gem Ave, Castro Valley, CA 94546 $956,000 3/1 827 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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