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116 23rd Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 116 23rd Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,350 sqft · built 1939
Lot Size0.115 acres (5,023 sqft)
Owner2 Company Names on Record
Tax Bill$4,671 (2025)
Deeds & MortgagesAug 2023 Transfer
Jul 2023 Transfer
Flood ZoneZone X (minimal risk)
APN039-151-120

Property Details

APN / Parcel Number

Primary APN039-151-120

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,350 sqft Living Area
1st Floor Area1,020 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1939
Effective Year BuiltEffective 1939
Architectural StyleBungalow
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area5,023 sqft (0.115 acres)
Lot Dimensions92 ft deep x 55 ft wide
Garage TypeCarport
CarportCarport
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address116 23RD AVE
CitySAN MATEO
StateCA
Zip94403-2204
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR40000
Legal Description54.2 FT X 92.35 ON NLY LINE OF 23RD AVE COM 133.21FT WLY FR FLORES ST PTN LOTS 5 6 & 17 BLOCK 3 SAN MATEO VILLA PARK RSM 12/50 51 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO VILLA PARK
Legal Block3
Legal Lot Number5
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1010
Census Tract607400

Owner

Source: San Mateo County records, as of July 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address116 23RD AVE, SAN MATEO, CA 94403-2204
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Aug 10, 2023Intrafamily Transfer, Transfer
Jul 31, 2023Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateFeb 24, 1997
Transfer Doc0000023165
Record UpdatedOct 29, 2026

August 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateAug 10, 2023
Property Address116 23RD AVE, SAN MATEO, CA 94403-2204
Document Number0000038590
Map ReferenceMB 12 PG 50&51
Instrument DateAug 10, 2023
Instrument2023-038590
Transaction TypeTransfer
Record UpdatedSep 11, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address116 23RD AVE, SAN MATEO, CA 94403-2204

July 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateJul 31, 2023
Property Address116 23RD AVE, SAN MATEO, CA 94403-2204
Document Number0000036720
Map ReferenceMB 12 PG 50&51
Instrument DateJul 25, 2023
Instrument2023-036720
Transaction TypeTransfer
Record UpdatedAug 30, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address116 23RD AVE, SAN MATEO, CA 94403-2204

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySan Mateo County
MunicipalitySan Mateo City
Elementary School DistrictSan Mateo-Foster City Elementary School District (KG - 08)
Secondary School DistrictSan Mateo Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$302,113 (+2%) Land $140,215 Building $161,898
2025$4,671.00 (+7.83%) Homeowner's exemption$296,191 (+9%) Land $137,467 Building $158,724
2023$4,332.00 (+1.79%) Homeowner's exemption$271,729 Land $120,216 Building $151,513$1,601,730
2022$4,256.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCALIFORNIA WATER SERVICE - SAN MATEO
private · serves 103,536 people · EPA ID CA4110008
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2025
Lead4 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 423 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable · Fiber in parts of the area		1,500 / 50
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks, Verizon.

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