912 Williams St, San Leandro, CA 94577 Property Records

Alameda County property record for 912 Williams St, San Leandro, CA 94577

Property Summary

Property TypeDuplex
Details6 bd · 2 ba · 1,620 sqft · built 1910
Lot Size0.1 acres (4,336 sqft)
Owner2 Individual Names on Record
Last Sale$30,000 (May 2013)
Tax Bill$6,341 (2025)
Flood ZoneZone X (minimal risk)
APN77A-639-3

Property Details

APN / Parcel Number

Primary APN77A-639-3
Alternative APN
  • 077A-0639-003-00

Interior

Bedrooms6 Beds
Full Baths2 Baths
Total Rooms11 Rooms
Units2 Units
Stories2 Stories
Building Area1,620 sqft Living Area

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleL-Shape
Construction TypeWood
Lot Area4,336 sqft (0.1 acres)

Location & Zoning

Street Address912 WILLIAMS ST
CitySAN LEANDRO
StateCA
Zip94577-2614
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Legal DescriptionLOT: 00003 BLK: AR: 077A PAGE: 0639
Legal SubdivisionWARD ADD
Legal Block2
Legal Lot Number11
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group2
Census Block2006
Census Tract432501

Owner

Source: Alameda County records, as of August 5, 2026

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

Owner of Record2 Individual Names on Record
Mailing Address21762 SHADYSPRING RD, CASTRO VALLEY, CA 94546-6840
Owner TypeIndividual
VestingTenants in Common

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 21, 2013 · Amount on Record
Deed SaleMay 21, 2013 · Amount on Record
Prior SaleMay 11, 2009 · Amount on Record
Deed Document Number2013181667
Prior Transfer DateMay 15, 2013
Prior Transfer Doc0000181667
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
MunicipalitySan Leandro City
Unified School DistrictSan Leandro Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$376,800 (+2%) Land $113,040 Building $263,760
2025$6,341.00 (+6.5%)$369,413 (+4.04%) Land $110,824 Building $258,589
2023$5,954.00$355,070 Land $106,521 Building $248,549

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

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 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

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 538 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25
T-Mobile
Fixed Wireless
100 / 20

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

Nearby Properties on Williams St

Nearby Streets

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