bridgeMLS, Bay East AOR, or Contra Costa AOR #11037360
Jan 10, 2000
Sold
$1,072,700
$301/sq ft
Dec 31, 1999
Listing Removed
—
Dec 3, 1999
Listed
$1,150,000
$323/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$30,997 (+1.7%)
$783,853 + $1,932,610
$2,716,463
2024
$30,475 (+1.7%)
$768,484 + $1,894,716
$2,663,200
2023
$29,960 (+1.5%)
$753,416 + $1,857,565
$2,610,981
2022
$29,504 (+3.0%)
$738,644 + $1,821,143
$2,559,787
2021
$28,650 (−0.5%)
$724,161 + $1,785,435
$2,509,596
2020
$28,801 (+2.0%)
$709,962 + $1,750,427
$2,460,389
2019
$28,229 (+3.7%)
$702,683 + $1,732,479
$2,435,162
2018
$27,230 (+1.7%)
$688,905 + $1,698,509
$2,387,414
2017
$26,763 (+1.8%)
$662,155 + $1,632,554
$2,294,709
2016
$26,293 (+2.8%)
$662,155 + $1,632,554
$2,294,709
2015
$25,589 (+0.8%)
$649,172 + $1,600,544
$2,249,716
2014
$25,391 (+2.0%)
$626,896 + $1,545,622
$2,172,518
2013
$24,901 (+3.1%)
$626,896 + $1,545,622
$2,172,518
2012
$24,161 (+1.5%)
$624,063 + $1,518,727
$2,142,790
2011
$23,814 (+1.5%)
$611,827 + $1,488,949
$2,100,776
2010
$23,463 (−23.2%)
$599,831 + $1,459,754
$2,059,585
2009
$30,554 (+37.3%)
$595,349 + $1,448,845
$2,044,194
2008
$22,253
$596,764 + $2,094,887
$2,691,651
Tax history for 3671 Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$30,997 (+1.7%)
$783,853 + $1,932,610
$2,716,463
2024
$30,475 (+1.7%)
$768,484 + $1,894,716
$2,663,200
2023
$29,960 (+1.5%)
$753,416 + $1,857,565
$2,610,981
2022
$29,504 (+3.0%)
$738,644 + $1,821,143
$2,559,787
2021
$28,650 (−0.5%)
$724,161 + $1,785,435
$2,509,596
2020
$28,801 (+2.0%)
$709,962 + $1,750,427
$2,460,389
2019
$28,229 (+3.7%)
$702,683 + $1,732,479
$2,435,162
2018
$27,230 (+1.7%)
$688,905 + $1,698,509
$2,387,414
2017
$26,763 (+1.8%)
$662,155 + $1,632,554
$2,294,709
2016
$26,293 (+2.8%)
$662,155 + $1,632,554
$2,294,709
2015
$25,589 (+0.8%)
$649,172 + $1,600,544
$2,249,716
2014
$25,391 (+2.0%)
$626,896 + $1,545,622
$2,172,518
2013
$24,901 (+3.1%)
$626,896 + $1,545,622
$2,172,518
2012
$24,161 (+1.5%)
$624,063 + $1,518,727
$2,142,790
2011
$23,814 (+1.5%)
$611,827 + $1,488,949
$2,100,776
2010
$23,463 (−23.2%)
$599,831 + $1,459,754
$2,059,585
2009
$30,554 (+37.3%)
$595,349 + $1,448,845
$2,044,194
2008
$22,253
$596,764 + $2,094,887
$2,691,651
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
5
Baths
5
Stories
2
Lot width
—
Lot depth
—
Lot size
1.03 Acres
Year renovated
1978
Sq. Ft.
5,806
Year built
1977
Style
Single Family Residential
County
Contra Costa County
APN
2441400146
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 13, 2026.
Apr 21, 2015 • Final
Building - residential solar photovoltaic
Install twenty flush roof-mounted photovoltaic panels on a residential building.
Electrical
Solar
Oct 9, 2013 • Final
Building/residential/p/pool
Install a new indoor swim spa and add two ceiling-mounted shower heads.
Electrical
Plumbing
Pool and hot tub
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Parking Information
Garage Spaces: 3
Covered Spaces: 3
Interior
Bathroom Information
# of Bathrooms Total: 4
# of Bathrooms Full: 4
Other Bathrooms Included Features: Shower Over Tub, Stall Shower
Interior Features
Interior Features: Bonus/Plus Room, Family Room, Formal Dining Room, In-Law Floorplan, Music Room, Breakfast Bar, Kitchen Island, Updated Kitchen
Appliances: Dishwasher, Double Oven, Disposal
Street Level Features: 3 Bedrooms, 3 Baths, Primary Bedrm Suite - 1
Fireplaces Total: 2
Has Fireplace
Flooring: Hardwood, Tile
Room Information
Kitchen Features: 220 Volt Outlet,Breakfast Bar,Dishwasher,Double Oven,Garbage Disposal,Island,Updated Kitchen
Rooms Total: 12
Fireplace Features: Wood Burning
Exterior
Building Information
Construction Materials: Wood Siding
Building Area Total: 3,560
Exterior Features
Roof: Shingle
Pool Information
Pool Features: In Ground
Has Private Pool
Property Information
Living Area: 3560
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 0
Lot Information
Lot Size Square Feet: 44866
Lot Size Area: 1.03
Lot Size Units: Acres
Lot Size Acres: 1.03
Lot Features: Regular
Zoning: R-4
Utilities
Utility Information
Water Source: Public
Electric: 220 Volts in Kitchen
Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Zoned
Location
School Information
High School District: Acalanes (925) 280-3900
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 5,806
Stories: 2.0
Lot Size: 1.03 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 1978
County: Contra Costa County
APN: 2441400146
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.9mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 1.1mi
8/10
Acalanes High School
Public 9-12 • Assigned • 1.8mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.77% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 93° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Lafayette, CA • 94549
Average low and high temperatures (°F)
60
43
62
46
70
50
68
49
75
52
78
54
79
55
87
58
84
59
77
56
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.14M – $3.80M
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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 1999. This data may not match public records. Learn more.