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446 27th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 446 27th Ave, San Mateo, CA 94403 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms3 Baths
Year BuiltBuilt 1938
Square Footage2,228 sqft Living Area
Lot Size5,673 sqft (0.13 acres)
Garage420 sqft
Last Sale$1,735,000 (2016)
Tax Bill$24,903.00 (2025)

Property Details

APN / Parcel Number

Primary APN039-331-200

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms9 Rooms
Building Area2,228 sqft Living Area
1st Floor1,310 sqft 1st Floor
Family RoomFamily Room
Stories1 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1938
Effective Year BuiltEffective 1938
Lot Area5,673 sqft (0.13 acres)
Depth X Width120 ft x 46 ft Depth x Width
Parking Spaces2 Parking Spaces
Garage Area420 sqft Garage

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address446 27TH AVE
CitySAN MATEO
StateCA
Zip94403-2402
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOT 20 BLOCK 7 & ADJ PTN OF ALAMEDA DE LAS PULGAS ABAND SAN MATEO TERRACE MAP NO 3 RSM 21/76 77 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO TERRACE MAP NO 3
Legal Block7
Legal Lot Number20
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup3
Census Block3010
Census Tract607400

Owner

Source: San Mateo County records · APN 039-331-200

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 Address1098 FOSTER CITY BLVD, 106, FOSTER CITY, CA 94404-2302
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 SaleJan 11, 2016 · Amount on Record
Deed SaleJan 11, 2016 · Amount on Record
Prior SaleJul 29, 2014 · Amount on Record
Deed Doc Number20161780
Last Transfer DateAug 06, 2021
Transfer Doc0000120910
Record RefreshedSep 20, 2026

August 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateAug 18, 2021
Property Address446 27TH AVE, SAN MATEO, CA 94403-2402
Document Number0000120910
Map ReferenceMB 21 PG 76&77
Instrument DateAug 06, 2021
Instrument2021-120910
Transaction TypeTransfer
Record UpdatedJun 07, 2023
Title CompanyLAWYERS 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
Address1098 FOSTER CITY BLVD, FOSTER CITY, CA 94404-2300

Mortgage

Document Number0000120911
DateAug 18, 2021
Instrument2021-120911
Lender
NameKLAPPER FAMILY TRUST
TypePrivate Party
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

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$2,094,957 (+2%) Land $1,448,963 Building $645,994
2025$24,903.00 (+2.58%)$2,053,880 (+4.04%) Land $1,420,552 Building $633,328
2023$24,276.00 (-1.03%)$1,974,128 Land $1,365,392 Building $608,736$1,995,120
2022$24,528.00

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

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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