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

San Mateo County property record for 334 E 40th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms1 Baths
Year BuiltBuilt 1951
Square Footage1,080 sqft Living Area
Lot Size5,000 sqft (0.115 acres)
Garage260 sqft
Last Sale$250,000 (1997)
Tax Bill$6,762.00 (2025)

Property Details

APN / Parcel Number

Primary APN040-204-020

Interior

Bedrooms3 Beds
Full Baths1 Baths
Total Rooms6 Rooms
Building Area1,080 sqft Living Area
1st Floor1,080 sqft 1st Floor
Family RoomFamily Room

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 1951
Lot Area5,000 sqft (0.115 acres)
Depth X Width80 ft x 62 ft Depth x Width
Parking Spaces1 Parking Spaces
Garage Area260 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address334 E 40TH AVE
CitySAN MATEO
StateCA
Zip94403-3658
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 2 BLOCK 27B RESUB BLOCKS 25 26 27 & PTN BLOCKS 11 24 28 SAN MATEO VILLAGE UNIT NO 3 RSM 31/46 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO VILLAGE UNIT NO 3
Legal Block27B,2
Legal Lot Number2
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup3
Census Block3011
Census Tract608501

Owner

Source: San Mateo County records · APN 040-204-020

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 Address334 E 40TH AVE, SAN MATEO, CA 94403-3658
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

DateDocument
Oct 29, 2025Deed of Trust, Mortgage · Stand Alone Second Mortgage
ROCKET MORTGAGE LLC
Oct 31, 2019Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMay 30, 1997 · Amount on Record
Deed SaleMay 30, 1997 · Amount on Record
Deed Doc Number199764451
Last Transfer DateJun 12, 2019
Transfer Doc0000090959
Record RefreshedSep 20, 2026

October 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address334 E 40TH AVE, SAN MATEO, CA 94403-3658
Transaction TypeMortgage
Record UpdatedNov 28, 2025

Transferred To (Grantee/Buyer)

NameVerified Name
Address334 E 40TH AVE, SAN MATEO, CA 94403-3658

Mortgage

Document Number0000057490
DateOct 29, 2025
Instrument2025-057490
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeStand Alone Second Mortgage
AmountAmount Recorded
Term241 Months
DueNov 01, 2045

October 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateOct 31, 2019
Property Address334 E 40TH AVE, SAN MATEO, CA 94403-3658
Document Number0000090959
Instrument DateJun 12, 2019
Instrument90959
Transaction TypeTransfer
Record UpdatedNov 20, 2019
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
Address334 E 40TH AVE SAN MATEO CA 944033658, SAN MATEO, CA 94403-3658

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$415,294 (+2%) Land $207,647 Building $207,647
2025$6,762.00 (+2.63%)$407,152 (+4.04%) Land $203,576 Building $203,576
2023$6,589.00 (-2.4%)$391,344 Land $195,672 Building $195,672$1,203,480
2022$6,751.00

Flood & Wildfire

334 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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