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1221 Williams, Hercules, CA 94547 Property Records

Contra Costa County property record for 1221 Williams, Hercules, CA 94547

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,724 sqft · built 1985
Lot Size0.115 acres (5,000 sqft)
Owner2 Company Names on Record
Last Sale$399,000 (Sep 2008)
Tax Bill$8,461 (2025)
Deeds & MortgagesApr 2024 Transfer
Jul 2020 Transfer
Flood ZoneZone X (minimal risk)
APN404-074-003-9

Property Details

APN / Parcel Number

Primary APN404-074-003-9
Alternative APN
  • 404-074-003

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area2,724 sqft Living Area
1st Floor Area1,748 sqft
2nd Floor Area976 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1985
Effective Year BuiltEffective 1992
Architectural StyleContemporary
Exterior MaterialStucco
Roof MaterialWood Shingle
Lot Area5,000 sqft (0.115 acres)
Garage TypeAttached
Garage Area431 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address1221 WILLIAMS
CityHERCULES
StateCA
Zip94547-3734
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionT5337A L0082 B
Legal SubdivisionSUBDIVISION 5337
Legal Tract5337A
Legal Lot Number0082
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group1
Census Block1016
Census Tract359105

Owner

Source: Contra Costa County records, as of July 14, 2026

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

Owner of Record2 Company Names on Record
Mailing Address1221 WILLIAMS, HERCULES, CA 94547-3734
Owner TypeCompany
VestingLife Tenant

Deeds, Mortgages & Sale History

DateDocument
Apr 30, 2024Intrafamily Transfer, Transfer
Jul 16, 2020Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 5, 2008 · Amount on Record
Deed SaleSep 5, 2008 · Amount on Record
Prior SaleJun 17, 2002 · Amount on Record
Deed Document Number2008198018
Prior Transfer DateMar 27, 1997
Prior Transfer Doc0000055066
Record UpdatedOct 29, 2026

April 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateApr 30, 2024
Property Address1221 WILLIAMS, HERCULES, CA 94547-3734
Document Number0000040365
Map ReferenceMB 521 PG 4&5
Instrument DateApr 26, 2024
Instrument2024-040365
Transaction TypeTransfer
Record UpdatedMay 9, 2024

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1117 GARDENIA LOOP, HERCULES, CA 94547-2618

July 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 16, 2020
Property Address1221 WILLIAMS, HERCULES, CA 94547-3734
Document Number0000142191
Instrument DateJul 15, 2020
Instrument142191
Transaction TypeTransfer
Record UpdatedAug 5, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address1221 WILLIAMS HERCULES CA 945473734, HERCULES, CA 94547-3734

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityHercules City
Unified School DistrictWest Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$524,080 (+2%) Land $190,453 Building $333,627
2025$8,461.00 (+6.01%)$513,805 (+4.04%) Land $186,719 Building $327,086
2023$7,981.00 (+1.17%)$493,855 Land $179,469 Building $314,386
2022$7,889.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 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

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 505 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
AT&T
Fixed Wireless · DSL		100 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: Sonic Telecom, Unwired.

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