3229 Stone Valley Rd is a 2,190 square foot house on a 0.39 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on February 08, 1996 for $370,000. Based on Redfin's Alamo data, we estimate the home's value is $1,808,123.
Single-familyProperty Type
1974Year Built
0.39 acresLot Size
$826Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,808,123
$1.4M since sold in February 1996$16K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12% lower than the average sale price ($2.06M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Mar 28, 2023 • Final
Building - residential mechanical
Replace the air conditioning unit, furnace, and coil on a residential building.
HVAC
Nov 28, 2005 • Final
Building - residential re-roof
Install a class A tile roof.
Roofing
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Excellent
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Wood Siding
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 4184
Living Sq. Ft: 2,190
Ground Floor Sq. Ft: 2,190
Building Sq. Ft: 2,838
# of Stories: 1
Legal Description: T04184 L0038 B
Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 648
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 16,800
Legal Lot Number: 38
Acres: 0.3857
Zoning Code: R-15
County Use Description: SINGLE FAMILY DETACHED WITH MA
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,190
Stories: 1.0
Lot Size: 0.39 acres
Style: Single Family Residential
Year Built: 1974
Year Renovated: 1976
County: Contra Costa County
APN: 1941330175
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Green Valley Elementary School
Public K-5 • Assigned • 1.0mi
10/10
Los Cerros Middle School
Public 6-8 • Assigned • 0.7mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 0.5mi
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
5/10 Fire Factor
5% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 95° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
14 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Alamo, CA • 94507
Average low and high temperatures (°F)
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86
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76
53
62
44
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43
Jan
Feb
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Sun exposure
In this area, properties receive around 11.8 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
11.8 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.72M – $2.08M
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