338 Elm St, San Mateo, CA 94401 Property Records

San Mateo County property record for 338 Elm St, San Mateo, CA 94401

Property Summary

Property TypeMulti-Family Dwellings
Details11 bd · 1 ba · 6,166 sqft · built 1962
Lot Size0.207 acres (8,999 sqft)
OwnerCompany Name on File
Last Sale$1,250,000 (Dec 2004)
Tax Bill$31,269 (2025)
Flood ZoneZone X (minimal risk)
APN032-176-070

Property Details

APN / Parcel Number

Primary APN032-176-070

Interior

Bedrooms11 Beds
Full Baths1 Bath
Total Rooms23 Rooms
Units9 Units
Stories2 Stories
Building Area6,166 sqft Living Area

Exterior

Year BuiltBuilt 1962
Effective Year BuiltEffective 1962
Architectural StyleMulti-Family
Lot Area8,999 sqft (0.207 acres)
Lot Dimensions180 ft deep x 50 ft wide
Garage TypeDetached
Parking Spaces9 Parking Spaces

Location & Zoning

Street Address338 ELM ST
CitySAN MATEO
StateCA
Zip94401-2535
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionLOT 7 BLOCK 6 WESTERN ADDITION TO TOWN OF SAN MATEO RSM 1/52 53
Legal SubdivisionWESTERN ADDITION TO TOWN OF SAN MATEO
Legal Block6
Legal Lot Number7
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group1
Census Block1003
Census Tract605902

Owner

338 Elm St, a residential property, is owned by a company that bought it in December 2004.

Source: San Mateo County records, as of August 31, 2026

Owner of RecordCompany Name on File
Mailing Address133 VALLEYVIEW WAY, SOUTH SAN FRANCISCO, CA 94080-5548
Owner TypeCompany
VestingCompany

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

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 6, 2004 · Amount on File
Deed SaleDec 6, 2004 · Amount on File
Deed Document Number2004239372
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 338 Elm St was $31,269.

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 Value
2026$1,777,225 (+2%) Land $995,246 Building $781,979
2025$31,269.00$1,742,379 Land $975,732 Building $766,647
2023$28,995.00 (+0.86%)$1,674,722 Land $937,844 Building $736,878
2022$28,748.00

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

Flood

FEMA maps place 338 Elm St 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 338 Elm St 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 565 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable
1,500 / 50
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area
100 / 20

May also be available: Etheric Networks, GeoLinks, Sonic Telecom, Verizon.

Nearby Properties on Elm St

Nearby Streets

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