421 28th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 421 28th Ave, San Mateo, CA 94403 · Last verified July 2026

Property Summary

Property TypeReligious, Church, Worship (Synagogue, Temple, Parsonage)
Lot Size0.42 acres (18,307 sqft)
OwnerCompany Name on File
Tax Bill$1,294 (2025)
Flood ZoneZone X (minimal risk)
APN039-321-060

Property Details

APN / Parcel Number

Primary APN039-321-060

Exterior

Lot Area18,307 sqft (0.42 acres)

Location & Zoning

Street Address421 28TH AVE
CitySAN MATEO
StateCA
Zip94403-2406
Property CategoryOther
Property TypeOther > Religious, Church, Worship (Synagogue, Temple, Parsonage)
Legal DescriptionWLY 102.7 FT OF LOT 6 SUB OF LOTS 14 15 16 17 OF BERESFORD PARK RSM D/14 CITY OF SAN MATEO
Legal SubdivisionBERESFORD PARK
Legal Lot Number6,14
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2004
Census Tract607300

Owner

Source: San Mateo County records · APN 039-321-060

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 RecordCompany Name on File
Mailing Address2825 ALAMEDA DE LAS PULGAS, SAN MATEO, CA 94403-3262
OccupancyOwner Occupied
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Record UpdatedSep 20, 2026

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

YearTax BillAssessed Value
2026$146,152 (+2.99%) Land $70,014 Building $76,138
2025$1,294.00 (+22.89%) Additional exemption filed$141,904 (+4.04%) Land $68,642 Building $73,262
2023$1,053.00 (-7.47%) Additional exemption filed$136,396 Land $65,978 Building $70,418
2022$1,138.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816073002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies2 in force
Nearby Flood Claims4 (1998–2022)
Claims Outside the SFHA4 of 4
Most Recent ClaimDec 2022, rainfall accumulation

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 716 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Sonic TelecomFiber10,000 / 10,000
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
Radiate HoldingsCable1,500 / 50

May also be available at this address: T-Mobile USA, AT&T, Etheric Communications, LLC., Radiate Holdings, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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