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902 31st Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 902 31st Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,820 sqft · built 1958
Lot Size0.238 acres (10,352 sqft)
Owner2 Company Names on Record
Tax Bill$11,134 (2025)
Deeds & MortgagesJun 2020 Transfer
Aug 2019 Transfer
Flood ZoneZone X (minimal risk)
APN039-192-260

Property Details

APN / Parcel Number

Primary APN039-192-260

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,820 sqft Living Area
1st Floor Area1,710 sqft
Family RoomFamily Room
Fireplaces2 Fireplaces
FireplaceFireplace

Exterior

Year BuiltBuilt 1958
Effective Year BuiltEffective 1958
Architectural StyleRanch
Exterior MaterialStucco
Roof MaterialWood Shingle
Lot Area10,352 sqft (0.238 acres)
Lot Dimensions118 ft deep x 100 ft wide
Garage Area480 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address902 31ST AVE
CitySAN MATEO
StateCA
Zip94403-3104
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 1 BLK 6 HILLSDALE UNIT 7B RSM 40/36 37 & PARCEL C BLK 7 HILLSDALE UNIT 8 RSM 43/6 10
Legal SubdivisionHILLSDALE UNIT 7B
Legal Block6,7
Legal Lot Number1
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1009
Census Tract607300

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 Address902 31ST AVE, SAN MATEO, CA 94403-3104
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Jun 23, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY
Aug 28, 2019Affidavit of Death, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateOct 18, 1993
Transfer Doc0000194982
Record UpdatedOct 29, 2026

June 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateJun 23, 2020
Property Address902 31ST AVE, SAN MATEO, CA 94403-3104
Document Number0000058403
Instrument DateJun 12, 2020
Instrument58403
Transaction TypeTransfer
Record UpdatedJul 15, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address902 31ST AVE SAN MATEO CA 944033104, SAN MATEO, CA 94403-3104

August 2019: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionSAN MATEO CA
Recording DateAug 28, 2019
Property Address902 31ST AVE, SAN MATEO, CA 94403-3104
Document Number0000069453
Instrument DateAug 27, 2019
Instrument69453
Transaction TypeTransfer
Record UpdatedSep 19, 2019
Title CompanyATTORNEY ONLY

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address902 31ST AVE SAN MATEO CA 944033104, SAN MATEO, CA 94403-3104

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$771,536 (+2%) Land $371,556 Building $399,980
2025$11,134.00 (+14.9%) Homeowner's exemption$756,409 (+4.04%) Land $364,271 Building $392,138
2023$9,690.00 (-2.36%) Homeowner's exemption$727,040 Land $350,127 Building $376,913$1,825,920
2022$9,924.00

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 Policies4 in force
Nearby Flood Claims3 (1983–2016)
Claims Outside the SFHA3 of 3
Most Recent ClaimMar 2016 · other causes

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 RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 732 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

May also be available: Etheric Networks, T-Mobile.

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