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504 E 40th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 504 E 40th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2 Baths
Year BuiltBuilt 1950
Square Footage1,425 sqft Living Area
Lot Size5,500 sqft (0.126 acres)
Garage436 sqft
Last Sale$1,600,000 (2017)
Tax Bill$22,628.00 (2025)

Property Details

APN / Parcel Number

Primary APN040-225-150

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Building Area1,425 sqft Living Area
1st Floor925 sqft 1st Floor
Family RoomFamily Room
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleBungalow Style
Exterior MaterialStucco Exterior
Construction TypeFrame Construction
Roof MaterialComposition Shingle Roof
Lot Area5,500 sqft (0.126 acres)
Depth X Width100 ft x 55 ft Depth x Width
Parking Spaces2 Parking Spaces
Garage Area436 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating
SewageMunicipal Sewage
Water SourceCommercial Water Source

Location & Zoning

Street Address504 E 40TH AVE
CitySAN MATEO
StateCA
Zip94403-3656
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 4 BLOCK 32 SAN MATEO VILLAGE UNIT NO 5 RSM 32/17 CITY OFSAN MATEO
Legal SubdivisionSAN MATEO VILLAGE UNIT NO 5
Legal Block32
Legal Lot Number4
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup2
Census Block2000
Census Tract608501

Owner

Source: San Mateo County records · APN 040-225-150

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 Address1761 PARKVIEW DR, SAN BRUNO, CA 94066-4751
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 SaleApr 21, 2017 · Amount on Record
Deed SaleApr 21, 2017 · Amount on Record
Prior SaleApr 05, 2012 · Amount on Record
Deed Doc Number201734655
Record RefreshedSep 20, 2026

April 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateApr 21, 2017
Property Address504 E 40TH AVE, SAN MATEO, CA 94403-3656
Document Number0000034655
Instrument DateApr 17, 2017
Instrument34655
Transaction TypeTransfer
Record UpdatedMay 10, 2017
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE COMPANY

Transaction

AmountAmount Recorded
Tax$1,760.00
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address504 E 40TH AVE SAN MATEO CA 944033656, SAN MATEO, CA 94403-3656

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

YearTax BillAssessed ValueAssessed Market Value
2026$1,894,069 (+2%) Land $1,325,850 Building $568,219
2025$22,628.00 (+3.3%)$1,856,931 (+4.04%) Land $1,299,853 Building $557,078
2023$21,906.00 (-1.54%)$1,784,826 Land $1,249,379 Building $535,447$1,516,590
2022$22,248.00

Flood & Wildfire

504 E 40th 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
reduced risk due to levee; depends on levee performance
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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