657 Happy Valley Rd is a 3,552 square foot house on a 7.82 acre lot with 4 bedrooms and 4 bathrooms. Based on Redfin's Pleasanton data, we estimate the home's value is $2,709,340.
Single-familyProperty Type
1985Year Built
7.82 acresLot Size
$763Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,709,340
$33K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.4% lower than the average sale price ($2.72M) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$10,807 (+3.4%)
$495,757 + $431,499
$927,256
2024
$10,449 (+1.2%)
$486,038 + $423,039
$909,077
2023
$10,328 (+5.6%)
$476,508 + $414,745
$891,253
2022
$9,783 (+2.7%)
$458,008 + $398,642
$856,650
2021
$9,530 (+1.3%)
$458,008 + $398,642
$856,650
2020
$9,408 (−1.1%)
$449,028 + $390,826
$839,854
2019
$9,517 (+2.1%)
$444,425 + $386,820
$831,245
2018
$9,323 (+2.6%)
$435,712 + $379,236
$814,948
2017
$9,083 (+8.3%)
$418,795 + $364,512
$783,307
2016
$8,384 (+1.9%)
$418,795 + $364,512
$783,307
2015
$8,227 (−1.7%)
$410,584 + $357,366
$767,950
2014
$8,372 (−1.6%)
$396,499 + $345,106
$741,605
2013
$8,506 (+2.3%)
$396,499 + $345,106
$741,605
2012
$8,312 (+1.7%)
$394,709 + $343,548
$738,257
2011
$8,173 (+1.4%)
$386,970 + $336,812
$723,782
2010
$8,060 (+0.6%)
$379,383 + $330,208
$709,591
2009
$8,012 (+2.5%)
$376,549 + $327,742
$704,291
2008
$7,818
$377,445 + $328,522
$705,967
Tax history for 657 Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$10,807 (+3.4%)
$495,757 + $431,499
$927,256
2024
$10,449 (+1.2%)
$486,038 + $423,039
$909,077
2023
$10,328 (+5.6%)
$476,508 + $414,745
$891,253
2022
$9,783 (+2.7%)
$458,008 + $398,642
$856,650
2021
$9,530 (+1.3%)
$458,008 + $398,642
$856,650
2020
$9,408 (−1.1%)
$449,028 + $390,826
$839,854
2019
$9,517 (+2.1%)
$444,425 + $386,820
$831,245
2018
$9,323 (+2.6%)
$435,712 + $379,236
$814,948
2017
$9,083 (+8.3%)
$418,795 + $364,512
$783,307
2016
$8,384 (+1.9%)
$418,795 + $364,512
$783,307
2015
$8,227 (−1.7%)
$410,584 + $357,366
$767,950
2014
$8,372 (−1.6%)
$396,499 + $345,106
$741,605
2013
$8,506 (+2.3%)
$396,499 + $345,106
$741,605
2012
$8,312 (+1.7%)
$394,709 + $343,548
$738,257
2011
$8,173 (+1.4%)
$386,970 + $336,812
$723,782
2010
$8,060 (+0.6%)
$379,383 + $330,208
$709,591
2009
$8,012 (+2.5%)
$376,549 + $327,742
$704,291
2008
$7,818
$377,445 + $328,522
$705,967
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
A
Agricultural Districts
Agricultural districts, hereinafter designated as A districts, are established to promote implementation of general plan land use proposals for agricultural and other nonurban uses, to conserve and protect existing agricultural uses, and to provide space for and encourage such uses in places where more intensive development is not desirable or necessary for the general welfare.
Permitted uses
Include but are not limited to:
Equestrian facility
Greenhouse / nursery
Livestock production
Ranch
Winery & vineyard
Housing-Single unit
Housing-Other
Agriculture-Cropland
Property details
Interior
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: Rectangular Design
Construction Type: Wood
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Living Sq. Ft: 3,552
Building Sq. Ft: 3,552
# of Units: 1
# of Stories: 2
Parking & Garage Information
# of Parking Spaces: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 340,639
Legal Lot Number: 2
Municipality Name: PLEASANTON UNINCORP
Acres: 7.82
County Use Description: IMPROVED RURAL-RESIDENTIAL HOM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,552
Stories: 2.0
Lot Size: 7.82 acres
Style: Single Family Residential
Year Built: 1985
Year Renovated: 1985
County: Alameda County
APN: 949 001100200
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Phoebe Apperson Hearst Elementary School
Public K-5 • Assigned • 1.3mi
8/10
Pleasanton Middle School
Public 6-8 • Assigned • 1.5mi
7/10
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
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
4/10 Heat Factor
8 days above 96° 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, 15 days in 30 years
Provided by First Street
Historical weather
Pleasanton, CA • 94566
Average low and high temperatures (°F)
60
38
63
42
70
46
69
47
76
50
82
53
85
56
87
57
82
59
77
53
64
44
58
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.57M – $3.12M
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