400 Ranelagh Rd is a 3,520 square foot house on a 0.28 acre lot with 5 bedrooms and 3 bathrooms. - it last sold on April 06, 1994 for $835,000. Based on Redfin's San Mateo data, we estimate the home's value is $5,053,365.
Single-familyProperty Type
1917Year Built
0.28 acresLot Size
$1,436Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$5,053,365
$4.2M since sold in April 1994$77K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.5% lower than the average sale price ($5.24M) 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
R1A
Single-Family Residence Districts
The R1 Single-Family Residence Districts are intended to create, preserve and enhance areas suitable for single-family dwellings with a substantial presence of open space and opportunities for outdoor living. The R1 districts are intended to protect the character and variety of neighborhoods, preserve privacy and prevent burdens on public facilities, while allowing reasonable housing opportunities for families.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Mobile home park
Property details
Interior
Basement Information
Basement Sq. Ft: 400
Basement Finish: Partially Finished
Basement Type: Unfinished
Bathroom Information
# of Full Baths: 3
Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Colonial
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Stucco
Building Type: Detached
Pool Information
Has Pool
View Information
View: Good
Property Information
Subdivision Name: EL CERRITO PARK MAP 03
Living Sq. Ft: 3,520
Gross Sq. Ft: 3,920
Ground Floor Sq. Ft: 1,760
Building Sq. Ft: 3,920
# of Stories: 2
Legal Description: LOT 5 BLOCK F EL CERRITO PARK NO 3 RSM B/29 CITY OF SAN MATEO
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 410
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 12,333
Legal Lot Number: 5
Legal Block Number: F
Acres: 0.2831
Depth Footage: 140
Front Footage: 90
Zoning Code: R10010
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Corner
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 3,520
Stories: 2.0
Lot Size: 0.28 acres
Style: Single Family Residential
Year Built: 1917
Year Renovated: 1917
County: San Mateo County
APN: 032244030
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
San Mateo Park Elementary School
Public K-5 • Assigned • 0.4mi
2/10
Borel Middle School
Public 6-8 • Assigned • 1.4mi
8/10
San Mateo High School
Public 9-12 • Assigned • 0.8mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Mateo starting in January 2026, median prices climbed steadily, reaching a strong spring peak in March–April 2026 at around $2.35M–$2.4M. Prices pulled back in July, rebounded briefly in August, and closed in September 2026 at around...