20 Valley Rd is a 1,604 square foot house on a 5,624 square foot lot with 3 bedrooms and 2 bathrooms. Based on Redfin's San Carlos data, we estimate the home's value is $2,220,515.
Single-familyProperty Type
1951Year Built
5,624 sq ftLot Size
$1,384Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,220,515
$27K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.9% lower than the average sale price ($2.24M) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,954 (+1.6%)
$28,724 + $168,284
$197,008
2024
$3,893 (+3.3%)
$28,161 + $164,985
$193,146
2023
$3,769 (+1.4%)
$27,609 + $161,751
$189,360
2022
$3,716 (+24.3%)
$27,068 + $158,581
$185,649
2021
$2,989 (+2.3%)
$26,538 + $155,472
$182,010
2020
$2,921 (+5.6%)
$26,018 + $94,424
$120,442
2019
$2,766 (+3.2%)
$25,752 + $93,456
$119,208
2018
$2,681 (+2.7%)
$25,248 + $91,624
$116,872
2017
$2,611 (+3.5%)
$24,268 + $88,067
$112,335
2016
$2,523 (+0.2%)
$24,268 + $88,067
$112,335
2015
$2,517 (+7.6%)
$23,793 + $86,341
$110,134
2014
$2,339 (+18.0%)
$22,977 + $83,380
$106,357
2012
$1,983 (+3.0%)
$22,874 + $83,004
$105,878
2011
$1,925 (+2.9%)
$22,426 + $81,377
$103,803
2010
$1,872 (+3.7%)
$21,987 + $79,782
$101,769
2009
$1,806 (+8.2%)
$21,823 + $79,186
$101,009
2008
$1,668
$21,875 + $79,375
$101,250
Tax history for 20 Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,954 (+1.6%)
$28,724 + $168,284
$197,008
2024
$3,893 (+3.3%)
$28,161 + $164,985
$193,146
2023
$3,769 (+1.4%)
$27,609 + $161,751
$189,360
2022
$3,716 (+24.3%)
$27,068 + $158,581
$185,649
2021
$2,989 (+2.3%)
$26,538 + $155,472
$182,010
2020
$2,921 (+5.6%)
$26,018 + $94,424
$120,442
2019
$2,766 (+3.2%)
$25,752 + $93,456
$119,208
2018
$2,681 (+2.7%)
$25,248 + $91,624
$116,872
2017
$2,611 (+3.5%)
$24,268 + $88,067
$112,335
2016
$2,523 (+0.2%)
$24,268 + $88,067
$112,335
2015
$2,517 (+7.6%)
$23,793 + $86,341
$110,134
2014
$2,339 (+18.0%)
$22,977 + $83,380
$106,357
2012
$1,983 (+3.0%)
$22,874 + $83,004
$105,878
2011
$1,925 (+2.9%)
$22,426 + $81,377
$103,803
2010
$1,872 (+3.7%)
$21,987 + $79,782
$101,769
2009
$1,806 (+8.2%)
$21,823 + $79,186
$101,009
2008
$1,668
$21,875 + $79,375
$101,250
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RS-6
Residential Single-Family District
This district is intended for residential densities up to 6 units per net acre. Development types may include single-unit housing, accessory dwelling units, second single-units pursuant to Government Code Sections 65852.21 and 66411.7 (urban infill units), duplexes, townhomes, and small lot subdivisions. This district also allows for uses such as small and large family child care, park and recreation facilities, and civic and institutional uses such as schools and places for community assembly that may be appropriate in a single-family residential neighborhood.
Permitted uses
Include but are not limited to:
Garden center
Day care facility
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Infrastructure
Recreation
Park & open space
Property details
Interior
Basement Information
Basement Sq. Ft: 786
Basement Type: Unfinished
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: 6
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
View Information
View: Good
Property Information
Subdivision Name: GARDEN TERRACE
Living Sq. Ft: 1,604
Gross Sq. Ft: 2,320
Ground Floor Sq. Ft: 1,604
Building Sq. Ft: 2,390
# of Stories: 1
Legal Description: LOT 13 BLOCK 6 GARDEN TERRACES RSM 25/25 26 27 CITY OF SAN CARLOS
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Basement Garage
Garage/Parking Sq. Ft: 790
Garage / Carport Type: Basement
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,624
Legal Lot Number: 13
Legal Block Number: 6
Acres: 0.1291
Depth Footage: 100
Front Footage: 63
Zoning Code: R10006
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,604
Stories: 1.0
Lot Size: 5,624 square feet
Style: Single Family Residential
Year Built: 1951
Year Renovated: 1954
County: San Mateo County
APN: 045294070
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Arundel Elementary School
Public K-3 • Assigned • 0.4mi
10/10
Tierra Linda Middle School
Public 6-8 • Assigned • 0.9mi
10/10
Carlmont High School
Public 9-12 • Assigned • 1.0mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Carlos remains a favorite for buyers looking for a strong sense of community and top-rated schools. With just half a month of inventory in June, desirable homes are still generating plenty of competition.