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933 S B St, San Mateo, CA 94401 Property Records

San Mateo County property record for 933 S B St, San Mateo, CA 94401

Property Summary

Property TypeDuplex
Details4 bd · 2 ba · 1,958 sqft · built 1945
Lot Size0.17 acres (7,400 sqft)
Owner2 Individual Names on File
Last Sale$1,308,000 (Nov 2025)
Tax Bill$9,283 (2025)
Deeds & MortgagesNov 2025 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN034-271-060

Property Details

APN / Parcel Number

Primary APN034-271-060

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Units2 Units
Stories1 Story
Building Area1,958 sqft Living Area
1st Floor Area1,958 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1945
Effective Year BuiltEffective 1945
Architectural StyleDuplex Single
Lot Area7,400 sqft (0.17 acres)
Lot Dimensions148 ft deep x 50 ft wide
Garage TypeDetached
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address933 S B ST
CitySAN MATEO
StateCA
Zip94401-4207
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR20000
Legal DescriptionLOT 12 GLAZENWOOD NO 2 RSM 24/44 CITY OF SAN MATEO
Legal SubdivisionGLAZENWOOD NO 2
Legal Lot Number12
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group3
Census Block3000
Census Tract606400

Owner

933 S B St, a duplex, is owned by two individuals who bought it in November 2025.

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

Owner of Record2 Individual Names on File
Mailing Address292 BINNACLE LN, FOSTER CITY, CA 94404
Owner TypeIndividual
VestingCommunity Property

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 Names2 Names on Deed
Last SaleNov 4, 2025 · Amount on File
Deed SaleNov 4, 2025 · Amount on File
Deed Document Number202558720
Prior Transfer DateDec 16, 1993
Prior Transfer Doc0000227495
Record UpdatedOct 29, 2026

November 2025: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSAN MATEO CA
Recording DateNov 4, 2025
Property Address933 S B ST, SAN MATEO, CA 94401-4207
Document Number0000058720
Map ReferenceMB 24 PG 44
Instrument DateOct 3, 2025
Instrument2025-058720
Transaction TypeTransfer
Record UpdatedDec 8, 2025
Title CompanySTEWART TITLE, STEWART TITLE OF CA INC

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$7,978.80
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address292 BINNACLE LANE, FOSTER CITY, CA 94404

Mortgage

Document Number0000058721
DateNov 4, 2025
Instrument2025-058721
Lender
NameGENERAL MORTGAGE CAPITAL CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueNov 1, 2055

Tax Assessment & Valuation

The 2025 property tax bill for 933 S B St was $9,283, up 8.3% from the year before.

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$1,308,000 (+262.92%) Land $1,128,000 Building $180,000
2025$9,283.00 (+8.28%)$360,407 Land $107,516 Building $252,891
2024$8,573.00 (+13.16%)
2023$7,576.00 (+5.15%)$346,414 Land $103,342 Building $243,072
2022$7,205.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 933 S B St in Zone X, an area of minimal flood risk.

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 Policies1 in force

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

The area around 933 S B 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 915 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
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
Sonic Telecom
Fiber		1,000 / 1,000
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks.

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