66 Williams St, San Leandro, CA 94577 Property Records

Alameda County property record for 66 Williams St, San Leandro, CA 94577

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,620 sqft · built 1926
Lot Size0.138 acres (6,000 sqft)
OwnerIndividual Name on Record
Last Sale$270,000 (Apr 2011)
Tax Bill$5,565 (2025)
Deeds & MortgagesJan 2019 Transfer
Flood ZoneZone X (minimal risk)
APN77-549-8

Property Details

APN / Parcel Number

Primary APN77-549-8
Alternative APN
  • 077-0549-008-00

Interior

Bedrooms4 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,620 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1926
Effective Year BuiltEffective 1926
Architectural StyleL-Shape
Construction TypeWood
Lot Area6,000 sqft (0.138 acres)

Location & Zoning

Street Address66 WILLIAMS ST
CitySAN LEANDRO
StateCA
Zip94577-5831
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00008 BLK: AR: 0077 PAGE: 0549
Legal SubdivisionSAN LEANDRO RHO
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group2
Census Block2004
Census Tract432601

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 RecordIndividual Name on Record
Mailing Address66 WILLIAMS ST, SAN LEANDRO, CA 94577-5831
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 13, 2011 · Amount on Record
Deed SaleApr 13, 2011 · Amount on Record
Prior SaleOct 1, 2010 · Amount on Record
Deed Document Number2011109778
Last Transfer DateJan 24, 2019
Transfer Doc0000015208
Record UpdatedOct 29, 2026

January 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateJan 30, 2019
Property Address66 WILLIAMS ST, SAN LEANDRO, CA 94577-5831
Document Number0000015208
Instrument DateJan 24, 2019
Instrument15208
Transaction TypeTransfer
Record UpdatedFeb 21, 2019
Title CompanyOTHER

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address66 WILLIAMS ST SAN LEANDRO CA 945775831, SAN LEANDRO, CA 94577-5831

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 ValueAssessed Market Value
2026$377,673 (+2%) Land $113,302 Building $264,371
2025$5,565.00 (+5.16%)$370,270 (+4.04%) Land $111,081 Building $259,189
2023$5,292.00$355,895 Land $106,768 Building $249,127$604,260

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 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 792 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
Unwired
Fixed Wireless
300 / 25
Starlink
Satellite
280 / 30

May also be available: GeoLinks, T-Mobile, Verizon.

Nearby Properties on Williams St

Nearby Streets

Search Property Records by Address or Parcel Number