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603 E 5th Ave, San Mateo, CA 94402 Property Records

San Mateo County property record for 603 E 5th Ave, San Mateo, CA 94402 · Last verified August 2026

Property Highlights

Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Bedrooms26 Beds
Bathrooms2 Baths
Year BuiltBuilt 1963
Square Footage16,560 sqft Living Area
Lot Size19,988 sqft (0.459 acres)
GarageDetached
Last Sale$3,200,000 (2006)
Tax Bill$90,441.00 (2025)

Property Details

APN / Parcel Number

Primary APN034-189-100

Interior

Bedrooms26 Beds
Full Baths2 Baths
Total Rooms62 Rooms
Units18 Units
Building Area16,560 sqft Living Area
Stories2 Stories

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 1963
Architectural StyleMultifamily Style
Lot Area19,988 sqft (0.459 acres)
Parking Spaces27 Parking Spaces
Garage TypeDetached Garage

Location & Zoning

Street Address603 E 5TH AVE, E
CitySAN MATEO
StateCA
Zip94402-1358
Property UsageResidential Property Usage
TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionON NELY COR OF FIFTH AVE & SO DELAWARE ST PTN OF BLK 25 TOWN OF SAN MATEO RSM 1/45
Legal SubdivisionTOWN OF SAN MATEO
Legal Block25
JurisdictionSAN MATEO CA
Minor Civil DivisionSAN MATEO
Census Blockgroup2
Census Block2020
Census Tract606202

Owner

Source: San Mateo County records · APN 034-189-100

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 Address2 LUPIN LN, ATHERTON, CA 94027-2134
Owner TypeOwner is a Company
VestingOwner is a Trust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Nov 24, 2025Intrafamily Transfer, Transfer
Jan 12, 2017Deed of Trust, Mortgage · Line of Credit
UNITED AMERICAN BANK
Jun 15, 2022Deed of Trust, Mortgage · Commercial Mortgage
JPMORGAN CHASE BANK NA
Feb 20, 2018Loan Modification, Mortgage · Line of Credit
UNITED AMERICAN BK

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 26, 2006 · Amount on Record
Deed SaleOct 26, 2006 · Amount on Record
Prior SaleJan 16, 1998 · Amount on Record
Deed Doc Number2006161943
Last Transfer DateOct 25, 2016
Transfer Doc0000113270
Record RefreshedSep 20, 2026

November 2025: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateNov 24, 2025
Property Address603 E 5TH AVE, SAN MATEO, CA 94402-1358
Document Number0000064190
Map ReferenceMB 2 PG 95
Instrument DateNov 06, 2025
Instrument2025-064190
Transaction TypeTransfer
Record UpdatedDec 25, 2025

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address2 LUPLIN LANE, ATHERTON, CA 94027-2134

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address603 E 5TH AVE, SAN MATEO, CA 94402-1358
Transaction TypeMortgage
Record UpdatedOct 18, 2022
Title CompanyOLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000003317
DateJan 12, 2017
Instrument2017-003317
Lender
NameUNITED AMERICAN BANK
TypeBank
AddressSAN MATEO, CA 94401
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

June 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address603 E 5TH AVE, SAN MATEO, CA 94402-1358
Transaction TypeMortgage
Record UpdatedOct 18, 2022
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address527 CARMEL CIR, SAN MATEO, CA 94402-2014

Mortgage

Document Number0000048199
DateJun 15, 2022
Instrument2022-048199
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressCOPPELL, TX 75019
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

February 2018: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionSAN MATEO CA
Property Address603 E 5TH AVE, SAN MATEO, CA 94402-1358
Document Number0000013014
Instrument DateFeb 20, 2018
Transaction TypeMortgage
Record UpdatedMay 02, 2018
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address603 E 5TH AVE SAN MATEO CA 944021358, SAN MATEO, CA 94402-1358

Mortgage

Document Number0000013014
DateFeb 26, 2018
Instrument13014
Lender
NameUNITED AMERICAN BK
TypeBank
AddressSAN MATEO, CA 94401
Agreement
TypeLine of Credit
AmountAmount Recorded
Term60 Months
DueFeb 25, 2023
Interest
Rate TypeAdjustable Rate

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 is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2026$4,373,062 (+2%) Land $2,705,834 Building $1,667,228
2025$90,441.00 (+8.89%)$4,287,317 (+4.04%) Land $2,652,779 Building $1,634,538
2024$83,058.00 (+9.99%)
2023$75,516.00 (+4.39%)$4,120,837 Land $2,549,769 Building $1,571,068
2022$72,340.00

Flood & Wildfire

603 E 5th 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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