21 Hilltop Rd is a 1,480 square foot house on a 4,500 square foot lot with 2 bedrooms and 2 bathrooms. - it last sold on May 03, 1996 for $358,500. Based on Redfin's San Mateo data, we estimate the home's value is $2,159,789.
Single-familyProperty Type
1924Year Built
4,500 sq ftLot Size
$1,459Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,159,789
$1.8M since sold in May 1996$4,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.4% higher than the average sale price ($2.11M) 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
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Bungalow
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Stucco
Building Type: Detached
Building Improvement Type: Detached
View Information
View: Average
Property Information
Subdivision Name: SAN MATEO PARK
Living Sq. Ft: 1,480
Ground Floor Sq. Ft: 1,480
Building Sq. Ft: 1,480
# of Stories: 1
Legal Description: W 15 FT OF LOT 6 BLOCK 1 E 30 FT OF LOT 7 BLOCK 1 SUB OF LOTS 32 & 35 SAN MATEO PARK RSM 5/31 CITY OF SAN MATEO
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 210
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,500
Legal Lot Number: 6
Legal Block Number: 1
Acres: 0.1033
Depth Footage: 100
Front Footage: 45
Zoning Code: R10010
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,480
Stories: 1.0
Lot Size: 4,500 square feet
Style: Single Family Residential
Year Built: 1924
Year Renovated: 1960
County: San Mateo County
APN: 032073260
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
San Mateo Park Elementary School
Public K-5 • Assigned • 0.3mi
2/10
Borel Middle School
Public 6-8 • Assigned • 1.7mi
8/10
San Mateo High School
Public 9-12 • Assigned • 0.7mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
7 days above 85° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
San Mateo, CA • 94402
Average low and high temperatures (°F)
60
43
62
45
67
48
64
47
67
50
68
52
68
54
73
56
73
58
72
54
61
48
58
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.5 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.5 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.05M – $2.48M
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