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909 E 4th Ave, San Mateo, CA 94401 Property Records

San Mateo County property record for 909 E 4th Ave, San Mateo, CA 94401 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,140 sqft · built 1907
Lot Size0.115 acres (5,000 sqft)
Owner2 Company Names on File
Last Sale$214,000 (May 1994)
Tax Bill$6,306 (2025)
Deeds & MortgagesApr 2024 Transfer
Flood ZoneZone X (minimal risk)
APN033-161-090

Property Details

APN / Parcel Number

Primary APN033-161-090

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area1,140 sqft Living Area
1st Floor Area1,140 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1907
Effective Year BuiltEffective 1907
Architectural StyleVictorian
Exterior MaterialWood
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area5,000 sqft (0.115 acres)
Lot Dimensions100 ft deep x 50 ft wide
Garage Area220 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address909 E 4TH AVE
CitySAN MATEO
StateCA
Zip94401-3318
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Description50 FT X 100 FT ON 4TH AVE COM 75 FT FROM GRANT ST PTN OF LOTS 11 & 12 BLOCK 36 EASTERN ADDITION TO SAN MATEO RSM 1/58
Legal SubdivisionEASTERN ADDITION
Legal Block36
Legal Lot Number11,12
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2004
Census Tract606202

Owner

Source: San Mateo County records · APN 033-161-090

Assessment roll updated July 15, 2026 · Last verified August 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 File
Mailing Address909 E 4TH AVE, SAN MATEO, CA 94401-3318
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMay 25, 1994 · Amount on Record
Deed SaleMay 25, 1994 · Amount on Record
Prior SaleMay 25, 1994
Deed Document Number199492314
Last Transfer DateApr 24, 2024
Transfer Doc0000021549
Record UpdatedSep 20, 2026

April 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateApr 26, 2024
Property Address909 E 4TH AVE, SAN MATEO, CA 94401-3318
Document Number0000021549
Map ReferenceMB 5 PG 134
Instrument DateApr 24, 2024
Instrument2024-021549
Transaction TypeTransfer
Record UpdatedMay 20, 2024

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address909 E 4TH AVE, SAN MATEO, CA 94401-3318

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 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

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

YearTax BillAssessed ValueAssessed Market Value
2026$421,190 (+2%) Land $185,488 Building $235,702
2025$6,306.00 (+6.27%)$412,932 (+4.04%) Land $181,851 Building $231,081
2023$5,934.00 (-3.13%)$396,901 Land $174,791 Building $222,110$690,570
2022$6,126.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo
Nearest Special Flood Hazard AreaZone AE, within 500 ft

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

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