664 Happy Valley Rd is a 3,008 square foot house on a 2.69 acre lot with 5 bedrooms and 4 bathrooms. Based on Redfin's Pleasanton data, we estimate the home's value is $2,456,231.
Single-familyProperty Type
1961Year Built
2.69 acresLot Size
$817Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,456,231
$42K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.4% lower than the average sale price ($2.54M) of 6 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
$4,351 (+3.4%)
$68,650 + $292,353
$361,003
2024
$4,207 (+1.2%)
$68,650 + $292,353
$361,003
2023
$4,156 (+5.6%)
$67,304 + $286,622
$353,926
2022
$3,937 (+3.7%)
$64,690 + $275,494
$340,184
2021
$3,797 (−46.6%)
$64,690 + $275,494
$340,184
2020
$7,111 (−0.3%)
$63,422 + $270,094
$333,516
2019
$7,131 (+1.1%)
$62,772 + $267,325
$330,097
2018
$7,052 (+1.1%)
$61,541 + $262,085
$323,626
2017
$6,973 (+55.0%)
$59,152 + $251,910
$311,062
2016
$4,499 (+37.5%)
$59,152 + $251,910
$311,062
2015
$3,271 (−1.7%)
$57,992 + $246,971
$304,963
2014
$3,327 (−1.4%)
$56,002 + $238,498
$294,500
2013
$3,373 (+2.4%)
$56,002 + $238,498
$294,500
2012
$3,295 (+1.7%)
$55,749 + $237,421
$293,170
2011
$3,239 (+1.4%)
$54,656 + $232,766
$287,422
2010
$3,194 (+0.6%)
$53,585 + $228,203
$281,788
2009
$3,175 (+2.5%)
$53,184 + $226,498
$279,682
2008
$3,098
$53,311 + $227,037
$280,348
Tax history for 664 Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,351 (+3.4%)
$68,650 + $292,353
$361,003
2024
$4,207 (+1.2%)
$68,650 + $292,353
$361,003
2023
$4,156 (+5.6%)
$67,304 + $286,622
$353,926
2022
$3,937 (+3.7%)
$64,690 + $275,494
$340,184
2021
$3,797 (−46.6%)
$64,690 + $275,494
$340,184
2020
$7,111 (−0.3%)
$63,422 + $270,094
$333,516
2019
$7,131 (+1.1%)
$62,772 + $267,325
$330,097
2018
$7,052 (+1.1%)
$61,541 + $262,085
$323,626
2017
$6,973 (+55.0%)
$59,152 + $251,910
$311,062
2016
$4,499 (+37.5%)
$59,152 + $251,910
$311,062
2015
$3,271 (−1.7%)
$57,992 + $246,971
$304,963
2014
$3,327 (−1.4%)
$56,002 + $238,498
$294,500
2013
$3,373 (+2.4%)
$56,002 + $238,498
$294,500
2012
$3,295 (+1.7%)
$55,749 + $237,421
$293,170
2011
$3,239 (+1.4%)
$54,656 + $232,766
$287,422
2010
$3,194 (+0.6%)
$53,585 + $228,203
$281,788
2009
$3,175 (+2.5%)
$53,184 + $226,498
$279,682
2008
$3,098
$53,311 + $227,037
$280,348
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
PD
Planned Development District
Planned development districts, hereinafter designated as PD districts, are established to encourage the arrangement of a compatible variety of uses on suitable lands in such a manner that the resulting development will: be in accord with the policies of the General Plan of the county; provide efficient use of the land that includes preservation of significant open areas and natural and topographic landscape features with minimum alteration of natural land forms; provide an environment that will encourage the use of common open areas for neighborhood or community activities and other amenities; be compatible with and enhance the development of the general area; and create an attractive, efficient and safe environment.
May 10, 2023 • Final
Building
Replace a furnace with a similar unit.
HVAC
Oct 7, 2016 • Final
Residential trade
Replace a 2 ton three-zone mini-split system.
HVAC
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
Interior
Room Information
# of Rooms: 10
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: DEL VALLE DE SAN JOSE RHO
Living Sq. Ft: 3,008
Building Sq. Ft: 3,008
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 117,176
Legal Lot Number: 1
Municipality Name: PLEASANTON UNINCORP
Acres: 2.69
County Use Description: IMPROVED RURAL-RESIDENTIAL HOM
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 3,008
Stories: 1.0
Lot Size: 2.69 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1961
County: Alameda County
APN: 949 000701404
Home facts updated by county records on Jul 28, 2026
Around this home
Schools
Phoebe Apperson Hearst Elementary School
Public K-5 • Assigned • 1.2mi
8/10
Pleasanton Middle School
Public 6-8 • Assigned • 1.3mi
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
82
55
87
57
84
57
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
$2.33M – $2.83M
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