315 Rock Oak Rd is a 2,100 square foot house on a 0.28 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on March 12, 1976 for $76,500. Based on Redfin's Walnut Creek data, we estimate the home's value is $1,479,193.
Single-familyProperty Type
1964Year Built
0.28 acresLot Size
$704Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,479,193
$1.4M since sold in March 1976$31K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.3% lower than the average sale price ($1.53M) 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 29, 2022 • Final
Residential electrical: electrical panel or sub-panel replacement or upgrade panel only (not exceeding 200amps & no relocation)
Install a new electrical sub panel and extend the firewall.
Electrical
Dec 16, 2021 • Final
Solar system - residential
Install a roof-mounted photovoltaic system and energy storage systems on a residential building.
Electrical
Solar
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: 12
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 3209
Living Sq. Ft: 2,100
Ground Floor Sq. Ft: 2,100
Building Sq. Ft: 2,100
# of Stories: 1
Legal Description: TRACT 3209 LOT 51
Parking & Garage Information
Garage/Parking Sq. Ft: 349
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,040
Legal Lot Number: 51
Acres: 0.2764
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Creek
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 2,100
Stories: 1.0
Lot Size: 0.28 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1968
County: Contra Costa County
APN: 1342530068
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Valle Verde Elementary School
Public K-5 • Assigned • 0.3mi
10/10
Foothill Middle School
Public 6-8 • Assigned • 0.8mi
9/10
Northgate High School
Public 9-12 • Assigned • 1.7mi
9/10
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
3% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 95° expected this year, 15 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
Walnut Creek, CA • 94598
Average low and high temperatures (°F)
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40
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43
72
47
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49
79
53
84
57
86
59
90
59
85
61
79
54
64
46
57
44
Jan
Feb
Mar
Apr
May
Jun
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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
$1.41M – $1.70M
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