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

San Mateo County property record for 215 E 4th Ave, San Mateo, CA 94401 · Last verified July 2026

Property Highlights

Property TypeCommercial > Office > Commercial Office
Year BuiltBuilt 1955
Square Footage2,250 sqft
Lot Size2,850 sqft (0.065 acres)
Tax Bill$11,546.00 (2025)

Property Details

APN / Parcel Number

Primary APN034-175-140

Interior

Building Area2,250 sqft

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Lot Area2,850 sqft (0.065 acres)
Depth X Width95 ft x 30 ft Depth x Width

Location & Zoning

Street Address215 E 4TH AVE
CitySAN MATEO
StateCA
Zip94401-4006
Property UsageCommercial Property Usage
TypeCommercial > Office > Commercial Office
Legal Description30 FT X 95 FT ON 4TH AVE COM 71.83 FT SELY FRM ELLSWORTH AVE PTN OF LOTS 11 & 12 BLOCK 6 TOWN OF SAN MATEO VOL 2 MISC PG 95
Legal SubdivisionTOWN OF SAN MATEO
Legal Block6
Legal Lot Number11,12
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup3
Census Block3021
Census Tract606300

Owner

Source: San Mateo County records · APN 034-175-140

Assessment roll updated July 15, 2026 · Last verified July 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 Address1363 23RD AVE, 3, SAN FRANCISCO, CA 94122-1679
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last Transfer DateMar 14, 2017
Transfer Doc0000027639
Record RefreshedSep 20, 2026

March 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateMar 30, 2017
Property Address215 E 4TH AVE, SAN MATEO, CA 94401-4006
Document Number0000027639
Instrument DateMar 14, 2017
Instrument27639
Transaction TypeTransfer
Record UpdatedApr 20, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address1347-21ST AVE SAN FRANCISCO CA 94122, SAN FRANCISCO, CA 94122

Tax Assessment & Valuation

Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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 is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2026$688,915 (+2%) Land $316,983 Building $371,932
2025$11,546.00 (+8.19%)$675,408 (+4.04%) Land $310,768 Building $364,640
2023$10,672.00 (+6.41%)$649,183 Land $298,701 Building $350,482
2022$10,029.00

Flood & Wildfire

215 E 4th Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.

Flood

Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026

FEMA Flood ZoneZone X
minimal flood hazard · outside the 0.2% annual chance floodplain
Special Flood Hazard AreaNo

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

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

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