302 30th Ave, San Mateo, CA 94403 Property Records

San Mateo County property record for 302 30th Ave, San Mateo, CA 94403

Property Summary

Property TypeSingle Family Home
Details4 bd · 1 ba · 1,630 sqft · built 1933
Lot Size0.153 acres (6,672 sqft)
OwnerCompany Name on Record
Tax Bill$3,791 (2025)
Flood ZoneZone X (minimal risk)
APN039-317-140

Property Details

APN / Parcel Number

Primary APN039-317-140

Interior

Bedrooms4 Beds
Full Baths1 Bath
Total Rooms8 Rooms
Stories1 Story
Building Area1,630 sqft Living Area
1st Floor Area1,270 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1933
Effective Year BuiltEffective 1933
Architectural StyleBungalow
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialTar & Gravel
Lot Area6,672 sqft (0.153 acres)
Lot Dimensions83 ft deep x 80 ft wide
View / LotCorner
Garage Area440 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address302 30TH AVE
CitySAN MATEO
StateCA
Zip94403-2717
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10006
Legal Description80 FT X 83.40 FT COR OF JUNIPER ST & 30TH AVE PTN OF LOT 25 SUB OF LOTS 14 15 16 17 OF BERESFORD PARK RSM D/14 CITY OF SAN MATEO
Legal SubdivisionBERESFORD PARK
Legal Lot Number25,14
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2006
Census Tract607300

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address302 30TH AVE, SAN MATEO, CA 94403-2717
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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$181,901 (+2%) Land $47,105 Building $134,796
2025$3,791.00 (+13.33%) Homeowner's exemption$178,335 (+4.04%) Land $46,182 Building $132,153
2023$3,345.00 (+5.65%) Homeowner's exemption$171,412 Land $44,390 Building $127,022$1,806,390
2022$3,166.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force
Nearby Flood Claims4 (1998–2022)
Claims Outside the SFHA4 of 4
Most Recent ClaimDec 2022 · rainfall accumulation

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.

Wildfire

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 716 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 · Fiber in parts of the area
1,500 / 50

May also be available: Etheric Networks, GeoLinks, T-Mobile.

Nearby Properties on 30th Ave

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