31 Delta Rd is a 780 square foot house on a 1.7 acre lot with 2 bedrooms and 1 bathroom. - it last sold on March 27, 1986 for $125,000. Based on Redfin's Oakley data, we estimate the home's value is $551,951.
Single-familyProperty Type
1951Year Built
1.7 acresLot Size
$708Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$551,951
$427K since sold in March 1986$6,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.8% lower than the average sale price ($647K) of 6 comparable homes.
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
Air Conditioning Type: Wall Unit
Heating Type: Wall Furnace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Physical Condition: Good
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Stucco
Property Information
Living Sq. Ft: 780
Ground Floor Sq. Ft: 780
Building Sq. Ft: 780
# of Stories: 1
Legal Description: POR NW QR SEC 6 T1N R3E 1.700 AC
Lot Information
# of Buildings: 3
Land Sq. Ft: 74,052
Acres: 1.7
Zoning Code: A-2
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Corner
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 780
Stories: 1.0
Lot Size: 1.7 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: —
County: Contra Costa County
APN: 0182800011
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Knightsen Elementary School
Public K-8 • Assigned • 1.9mi
6/10
Liberty High School
Public 9-12 • Assigned • 2.2mi
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
2/10 Fire Factor
0.00% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 101° expected this year, 14 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, 18 days in 30 years
Provided by First Street
Historical weather
Oakley, CA • 94561
Average low and high temperatures (°F)
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87
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79
55
64
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44
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Sun exposure
In this area, properties receive around 12.2 hours in
June and 4.7 hours in December, placing it above the
U.S. average for solar exposure.
12.2 hrs
4.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$525,000 – $635,000
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