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3929 Happy Valley Rd, Lafayette, CA 94549

$3,145,000

Last sold date unavailable

  • 4

    bed

  • 4

    bath

  • 4,078

    Sqft ($663/Sqft)

House not for sale
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About 3929 Happy Valley Rd

Property type House
Neighborhood
Year built 1956
HOA fee $0/month
Lot size 1 Sqft
Movoto estimate
Property description
This 4-bedroom, 4-bathroom single-family home is located at 3929 Happy Valley Rd, Lafayette, CA, 94549, in the Happy Valley neighborhood in Contra Costa County and was built in 1956. This home offers 4,078 square feet of living space on a 1.1-acre lot. The estimated market value is $3,145,000, approximately $771 per square foot.
$3.14M
Range: $2.2M-$4.08M
Last 30 days 
  • Year Property taxes Tax assessment
  • 2024
    $23,138 +1.7%
    $2,098,635 +4.04%
  • 2023
    $22,750 +1.5%
    $2,017,144 +2.0%
  • 2022
    $22,411 +7.3%
    $1,977,593 +5.12%
  • 2018
    $20,881 +1.9%
    $1,881,313 +2.0%
  • 2017
    $20,495 +1.8%
    $1,844,425 +2.0%
  • 2016
    $20,134
    $1,808,261
  • 3929 Happy Valley Rd
    $2.7M
  • Happy Valley
    $3.99M -44% y/y
  • 94549
    $1.7M -12% y/y
  • Lafayette
    $1.7M -13% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
3937 Happy Valley Rd, Lafayette, CA 94549 $7,766,000 3/— 4,208 0.04
3941 Happy Valley Rd, Lafayette, CA 94549 $8,895,000 4/5 8,064 0.04
3915 Happy Valley Rd, Lafayette, CA 94549 $11,808,000 6/6 9,335 0.04
3947 Happy Valley Rd, Lafayette, CA 94549 $9,914,000 7/8 5,647 0.08
3907 Happy Valley Rd, Lafayette, CA 94549 $4,346,000 3/3 2,330 0.08
3913 Happy Valley Rd, Lafayette, CA 94549 $4,774,000 5/4 5,820 0.09
3903 Happy Valley Rd, Lafayette, CA 94549 $3,556,000 4/— 4,177 0.09
3920 Happy Valley Rd, Lafayette, CA 94549 $3,100,000 4/2 3,902 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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10/10
Acalanes High School
public Grades 9-12
Acalanes Union High School District
Source: GreatSchools.org © 2026. All rights reserved.

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