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

San Mateo County property record for 81 E 40th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms5 Beds
Bathrooms3.5 Baths
Year BuiltBuilt 1954
Square Footage2,365 sqft Living Area
Lot Size7,086 sqft (0.163 acres)
OccupancyOwner Occupied
Last Sale$814,000 (2007)
Tax Bill$16,930.00 (2025)

Property Details

APN / Parcel Number

Primary APN040-072-050

Interior

Bedrooms5 Beds
Full Baths3.5 Baths
Partial Baths1 Partial Baths
Total Rooms8 Rooms
Building Area2,365 sqft Living Area
1st Floor1,220 sqft 1st Floor
Stories2 Stories

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1954
Architectural StyleMultifamily Style
Lot Area7,086 sqft (0.163 acres)
Depth X Width126 ft x 55 ft Depth x Width
Garage TypeDetached Garage
Garage Area530 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address81 E 40TH AVE
CitySAN MATEO
StateCA
Zip94403-4606
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionON NWLY LINE OF 40TH AVE PTN OF LOT 8 SAN MATEO GARDENS RSM 20/14 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO GARDENS
Legal Lot Number8
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup1
Census Block1012
Census Tract608501

Owner

Source: San Mateo County records · APN 040-072-050

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 Individual Names on File
Mailing Address81 E 40TH AVE, SAN MATEO, CA 94403-4606
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Jun 03, 2026Deed of Trust, Mortgage · Line of Credit
INTERRA CREDIT UNION
Jun 04, 2021Intrafamily Transfer, Transfer · Conventional Mortgage
SAN MATEO CU
Jun 04, 2021Intrafamily Transfer, Transfer
LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleFeb 22, 2007 · Amount on Record
Deed SaleFeb 22, 2007 · Amount on Record
Prior SaleJun 13, 2006 · Amount on Record
Deed Doc Number200727328
Last Transfer DateMay 12, 2021
Transfer Doc0000086876
Record RefreshedSep 20, 2026

June 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Recording DateJun 03, 2026
Property Address81 E 40TH AVE, SAN MATEO, CA 94403-4606
Document Number0000031672
Instrument DateMay 29, 2026
Instrument202631672
Transaction TypeMortgage
Record UpdatedJul 12, 2026
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address81 E 40TH AVE, SAN MATEO, CA 94403-4606

Mortgage

Document Number0000031672,
DateJun 03, 2026
Instrument202631672
Lender
NameINTERRA CREDIT UNION
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Rate6.3%
Initial TypeAdjustable Rate
AdjustableDocument includes a rider for adjustable-rate mortgage with a specific rate change date.
Max Rate-1%

June 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateJun 04, 2021
Property Address81 E 40TH AVE, SAN MATEO, CA 94403-4606
Document Number0000086877
Map ReferenceMB 20 PG 14
Instrument DateMay 12, 2021
Instrument2021-086877
Transaction TypeTransfer
Record UpdatedAug 05, 2022
Title CompanyLAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address81 E 40TH AVE, SAN MATEO, CA 94403-4606

Mortgage

Document Number0000086878
DateJun 04, 2021
Instrument2021-086878
Lender
NameSAN MATEO CU
TypeCredit Union
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 01, 2051
Interest
Rate TypeAdjustable Rate
Rate3.25%
Type Change DateJul 01, 2031
Change FrequencyAnnually
Min Rate At Change2.5%
Max Rate At Change8.25%
Index1-Year CMT
Max Rate8.25%

June 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateJun 04, 2021
Property Address81 E 40TH AVE, SAN MATEO, CA 94403-4606
Document Number0000086876
Map ReferenceMB 20 PG 14
Instrument DateMay 12, 2021
Instrument2021-086876
Transaction TypeTransfer
Record UpdatedAug 05, 2022
Title CompanyLAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address81 E 40TH AVE, SAN MATEO, CA 94403-4606

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$1,197,542 (+2%) Land $555,985 Building $641,557
2025$16,930.00 (+2.43%) Homeowner's exemption$1,174,063 (+4.04%) Land $545,084 Building $628,979
2023$16,529.00 (+1.5%) Homeowner's exemption$1,128,476 Land $523,919 Building $604,557$2,346,570
2022$16,284.00

Flood & Wildfire

81 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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