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409 41st Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 409 41st Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,400 sqft · built 1953
Lot Size0.217 acres (9,465 sqft)
OwnerCompany Name on File
Tax Bill$4,626 (2025)
Deeds & MortgagesFeb 2020 Transfer
Feb 2020 Transfer
Flood ZoneZone X (minimal risk)
APN042-192-020

Property Details

APN / Parcel Number

Primary APN042-192-020

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,400 sqft Living Area
1st Floor Area1,400 sqft
Family RoomFamily Room

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1953
Lot Area9,465 sqft (0.217 acres)
Lot Dimensions160 ft deep x 58 ft wide
Garage Area510 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address409 41ST AVE
CitySAN MATEO
StateCA
Zip94403-4307
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal DescriptionLOT 49 BLOCK 24 SAN MATEO KNOLLS MAP NO 4 RSM 31/28 29 30 CITY OF SAN MATEO
Legal SubdivisionSAN MATEO KNOLLS MAP NO 4
Legal Block24
Legal Lot Number49
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2005
Census Tract607100

Owner

409 41st Ave is owned by a company that acquired it in February 2020 and is owner-occupied.

Source: San Mateo County records, as of July 15, 2026

Owner of RecordCompany Name on File
Mailing Address409 41ST AVE, SAN MATEO, CA 94403-4307
OccupancyOwner Occupied
Owner TypeCompany
VestingBorrower in Default

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Feb 28, 2020Quit Claim Deed, Transfer
NOT AVAILABLE
Feb 28, 2020Affidavit of Death, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateFeb 14, 2020
Transfer Doc0000018346
Record UpdatedSep 20, 2026

February 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSAN MATEO CA
Recording DateFeb 28, 2020
Property Address409 41ST AVE, SAN MATEO, CA 94403-4307
Document Number0000018347
Instrument DateFeb 21, 2020
Instrument18347
Transaction TypeTransfer
Record UpdatedMar 23, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address409 41ST AVE SAN MATEO CA 944034307, SAN MATEO, CA 94403-4307

February 2020: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionSAN MATEO CA
Recording DateFeb 28, 2020
Property Address409 41ST AVE, SAN MATEO, CA 94403-4307
Document Number0000018346
Instrument DateFeb 14, 2020
Instrument18346
Transaction TypeTransfer
Record UpdatedMar 23, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address409 41ST AVE SAN MATEO CA 944034307, SAN MATEO, CA 94403-4307

Tax Assessment & Valuation

The 2025 property tax bill for 409 41st Ave was $4,626 with a homeowner's exemption.

Source: San Mateo County assessment roll, as of July 15, 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

YearTax BillAssessed ValueAssessed Market Value
2026$329,749 (+2%) Land $170,267 Building $159,482
2025$4,626.00 Homeowner's exemption$323,284 Land $166,929 Building $156,355
2023$4,336.00 (-2.87%) Homeowner's exemption$310,733 Land $160,448 Building $150,285$1,317,330
2022$4,464.00

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

Flood

FEMA maps place 409 41st Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 409 41st Ave has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCALIFORNIA WATER SERVICE - SAN MATEO
private · serves 103,536 people · EPA ID CA4110008
Water SourcePurchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State InspectionMar 2025
Lead4 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 785 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100

May also be available: GeoLinks, T-Mobile.

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