1252 Stone Valley Rd is a 3,326 square foot house on a 0.76 acre lot with 4 bedrooms and 4 bathrooms. Based on Redfin's Alamo data, we estimate the home's value is $1,857,516.
Single-familyProperty Type
1963Year Built
0.76 acresLot Size
$558Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,857,516
$17K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.2% lower than the average sale price ($1.94M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11166762
Dec 12, 2002
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2025
$14,399 (+2.1%)
$753,415 + $504,190
$1,257,605
2024
$14,106 (+1.6%)
$738,643 + $494,304
$1,232,947
2023
$13,889 (+0.7%)
$724,160 + $484,612
$1,208,772
2022
$13,787 (+7.3%)
$709,961 + $475,110
$1,185,071
2021
$12,847 (+1.3%)
$696,041 + $465,795
$1,161,836
2020
$12,676 (+1.1%)
$682,394 + $397,839
$1,080,233
2019
$12,536 (+3.9%)
$675,397 + $393,760
$1,069,157
2018
$12,069 (+3.8%)
$662,154 + $386,040
$1,048,194
2017
$11,630 (+1.2%)
$636,443 + $371,050
$1,007,493
2016
$11,490 (+1.3%)
$636,443 + $371,050
$1,007,493
2015
$11,348 (+2.3%)
$623,964 + $363,775
$987,739
2014
$11,091 (+1.2%)
$602,553 + $341,489
$944,042
2013
$10,962 (+3.1%)
$602,553 + $341,489
$944,042
2012
$10,637 (+1.9%)
$599,830 + $339,946
$939,776
2011
$10,441 (+1.3%)
$588,069 + $333,281
$921,350
2010
$10,310 (−0.1%)
$576,539 + $326,747
$903,286
2009
$10,323 (+3.4%)
$572,231 + $324,305
$896,536
2008
$9,987
$573,591 + $325,076
$898,667
Tax history for 1252 Stone Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$14,399 (+2.1%)
$753,415 + $504,190
$1,257,605
2024
$14,106 (+1.6%)
$738,643 + $494,304
$1,232,947
2023
$13,889 (+0.7%)
$724,160 + $484,612
$1,208,772
2022
$13,787 (+7.3%)
$709,961 + $475,110
$1,185,071
2021
$12,847 (+1.3%)
$696,041 + $465,795
$1,161,836
2020
$12,676 (+1.1%)
$682,394 + $397,839
$1,080,233
2019
$12,536 (+3.9%)
$675,397 + $393,760
$1,069,157
2018
$12,069 (+3.8%)
$662,154 + $386,040
$1,048,194
2017
$11,630 (+1.2%)
$636,443 + $371,050
$1,007,493
2016
$11,490 (+1.3%)
$636,443 + $371,050
$1,007,493
2015
$11,348 (+2.3%)
$623,964 + $363,775
$987,739
2014
$11,091 (+1.2%)
$602,553 + $341,489
$944,042
2013
$10,962 (+3.1%)
$602,553 + $341,489
$944,042
2012
$10,637 (+1.9%)
$599,830 + $339,946
$939,776
2011
$10,441 (+1.3%)
$588,069 + $333,281
$921,350
2010
$10,310 (−0.1%)
$576,539 + $326,747
$903,286
2009
$10,323 (+3.4%)
$572,231 + $324,305
$896,536
2008
$9,987
$573,591 + $325,076
$898,667
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 15, 2024 • Final
Building - residential solar photovoltaic
Install a new roof-mounted photovoltaic system on a residential building. The project includes solar panels, a load center, and electrical service modifications including a derated main breaker and a relocated interconnection point.
Electrical
Solar
Nov 9, 2021 • Final
Building/residential/ad/single family addition
Construct an addition to a single-family home to create a full bathroom and an office.
Addition
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
Property Information
Subdivision Name: A W STONE RANCH
Living Sq. Ft: 3,326
Ground Floor Sq. Ft: 3,326
Building Sq. Ft: 3,326
# of Stories: 1
Legal Description: POR RO SAN RAMON
Parking & Garage Information
Garage/Parking Sq. Ft: 456
Lot Information
# of Buildings: 1
Land Sq. Ft: 33,106
Legal Lot Number: F
Acres: 0.76
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,326
Stories: 1.0
Lot Size: 0.76 acres
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1990
County: Contra Costa County
APN: 1921200125
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Rancho Romero Elementary School
Public K-5 • Assigned • 0.8mi
9/10
Stone Valley Middle School
Public 6-8 • Assigned • 0.4mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 2.4mi
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
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
3/10 Heat Factor
8 days above 93° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Alamo, CA • 94507
Average low and high temperatures (°F)
58
39
61
42
68
46
68
47
74
51
80
54
80
55
86
58
83
57
76
53
62
44
56
43
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
$1.77M – $2.14M
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