4821 Grass Valley Rd is a 1,887 square foot house on a 0.49 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on May 13, 1994 for $290,000. Based on Redfin's Oakland data, we estimate the home's value is $1,118,612.
Single-familyProperty Type
1951Year Built
0.49 acresLot Size
$593Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,118,612
$829K since sold in May 1994$2,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.4% lower than the average sale price ($1.24M) 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.
Zoning and permits
Zoning
Permits
RH-2
S-9
Hillside Residential - 2 Zone
The intent of the RH-2 Zone is to create, maintain, and enhance areas for single-family living on lots of at least 25,000 sq ft, and is appropriate in portions of the Oakland Hills.
Zone overlays
Fire Safety Protection Combining Zone
Permitted uses
Include but are not limited to:
Day care facility
Housing-Other
Fire house
Police station
Jan 15, 2019 • Final
Residential building - addition
Install a new ground-mounted post and beam structure for a solar system on a single-family home. Run electrical circuits to the main house and connect to a new electrical service panel. Structural modifications include the elimination of middle uprights and the replacement of beams.
Addition
Electrical
Solar
Nov 15, 2018 • Final
Re) - electrical - 1 & 2 unit residential (building)
Install a new electrical service and a ground-mounted solar system on a post and beam structure. Connect the system to a single-family home.
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: CHABOT PARK ESTATES
Living Sq. Ft: 1,887
Building Sq. Ft: 1,887
# of Units: 1
# of Stories: 1
Legal Description: LOT 61
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,386
Legal Lot Number: 61
Municipality Name: OAKLAND INCORP
Acres: 0.491
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,887
Stories: 1.0
Lot Size: 0.49 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1952
County: Alameda County
APN: 048 633000307
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Grass Valley Elementary School
Public K-5 • Assigned • 0.2mi
1/10
Elmhurst United Middle
Public 6-8 • Assigned • 2.5mi
3/10
Skyline High School
Public 9-12 • Assigned • 3.8mi
6/10
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
3/10 Heat Factor
7 days above 88° 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
Oakland, CA • 94605
Average low and high temperatures (°F)
61
46
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47
70
50
68
50
73
52
74
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75
56
79
57
79
60
73
55
65
50
60
47
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.2 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.2 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.06M – $1.29M
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