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16800 Hallmark Ct, Castro Valley, CA 94552

  • $1,605,000

    Last sold date unavailable

  • 5

    bed

  • 3

    bath

  • 2,830

    Sqft ($638/Sqft)

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About 16800 Hallmark Ct

Property type House
Neighborhood
Year built 1987
HOA fee $0/month
Lot size 0.61 Acre
Movoto estimate
Property description
This 5-bedroom, 3-bathroom single-family home is located at 16800 Hallmark Ct, Castro Valley, CA, 94552, in the Columbia neighborhood in Alameda County and was built in 1987. This home offers 2,830 square feet of living space on a 26,600 sq ft lot. The estimated market value is $1,605,000, approximately $567 per square foot.
$1.6M
Range: $1.46M-$1.74M
Last 30 days 
  • Year Property taxes Tax assessment
  • 2024
    $6,078 +1.8%
    $451,713 +2.0%
  • 2023
    $5,970 +2.1%
    $442,856 +2.0%
  • 2022
    $5,846 +2.7%
    $434,173
  • 2021
    $5,692 +2.4%
    $434,173 +3.06%
  • 2020
    $5,561 -1.7%
    $421,297
  • 2019
    $5,656 +2.9%
    $421,297 +2.0%
  • 2018
    $5,495 +8.0%
    $413,037 +4.04%
  • 2016
    $5,088 +7.0%
    $397,001
  • 2015
    $4,756
    —
  • 16800 Hallmark Ct
    $1.8M
  • Columbia
    $1.6M
  • 94552
    $1.39M -6% y/y
  • Castro Valley
    $1.11M -7% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
16801 Hallmark Ct, Castro Valley, CA 94552 $1,532,000 5/3 3,295 0.01
16816 Hallmark Ct, Castro Valley, CA 94552 $1,504,000 4/2 2,235 0.02
Charter Oaks Dr, Castro Valley, CA 94546 — —/— — 0.02
16846 Hallmark Ct, Castro Valley, CA 94552 $1,609,000 5/3 2,830 0.03
16805 Hallmark Ct, Castro Valley, CA 94552 $1,651,000 5/3 3,124 0.03
16830 Hallmark Ct, Castro Valley, CA 94552 $1,478,000 4/2 2,216 0.03
6072 Bellingham Dr, Castro Valley, CA 94552 $1,461,000 4/2 2,039 0.04
6086 Bellingham Dr, Castro Valley, CA 94552 $1,528,000 4/2 2,039 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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7/10
Vannoy Elementary School
public Grades K-5
Castro Valley Unified School District
6/10
Canyon Middle School
public Grades 6-8
Castro Valley Unified School District
8/10
Creekside 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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