136 Bay St, Hercules, CA 94547 Property Records

Contra Costa County property record for 136 Bay St, Hercules, CA 94547

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,767 sqft · built 1900
Lot Size0.122 acres (5,292 sqft)
OwnerIndividual Name on File
Last Sale$845,500 (Dec 2023)
Tax Bill$12,763 (2025)
Deeds & MortgagesDec 2023 Sale & Mortgage
Dec 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN404-170-007-3

Property Details

APN / Parcel Number

Primary APN404-170-007-3
Alternative APN
  • 404-170-007

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories2 Stories
Building Area1,767 sqft Living Area
1st Floor Area909 sqft
2nd Floor Area858 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1990
Lot Area5,292 sqft (0.122 acres)
Garage TypeAttached
Garage Area299 sqft
Parking Spaces1 Parking Space

Location & Zoning

Street Address136 BAY ST
CityHERCULES
StateCA
Zip94547-3717
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeH
Legal DescriptionT06102 L0007 B
Legal SubdivisionSUBDIVISION 6102
Legal Tract06102
Legal Lot Number7
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group1
Census Block1001
Census Tract359105

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Hercules Village
listed 1980 · 40 contributing resources · NRIS 80000799

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

136 Bay St is owned and occupied by an individual who bought it in December 2023.

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

Owner of RecordIndividual Name on File
Mailing Address136 BAY ST, HERCULES, CA 94547-3717
OccupancyOwner Occupied
Owner TypeIndividual

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

DateDocument
Dec 14, 2023Grant Deed, Transfer · Conventional Mortgage
CHEVRON FCU
Dec 21, 2020Deed of Trust, Mortgage · FHA Mortgage
FREEDOM MORTGAGE CORP

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 14, 2023 · Amount on File
Deed SaleDec 14, 2023 · Amount on File
Deed Document Number2023132305
Prior Transfer DateFeb 22, 1996
Prior Transfer Doc0000034066
Record UpdatedOct 29, 2026

December 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 14, 2023
Property Address136 BAY ST, HERCULES, CA 94547-3717
Document Number0000132305
Map ReferenceMB 257 PG 32
Instrument DateDec 13, 2023
Instrument2023-132305
Transaction TypeTransfer
Record UpdatedDec 25, 2023
Title CompanyORANGE COAST TITLE COMPANY/NTHRN CA, ORANGE COAST TTL CO OF NOCAL

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address136 BAY ST, HERCULES, CA 94547-3717

Mortgage

Document Number0000132306
DateDec 14, 2023
Instrument2023-132306
Lender
NameCHEVRON FCU
TypeCredit Union
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueJan 1, 2054
Interest
Rate TypeAdjustable Rate
Rate5.62%
Type Change DateJan 1, 2031
Change FrequencyAnnually
Min Rate At Change3%
Max Rate At Change10.6%
Margin3
Max Rate10.6%

December 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address136 BAY ST, HERCULES, CA 94547-3717
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyTITLE365

Transferred To (Grantee/Buyer)

NameVerified Name
Address136 BAY ST, HERCULES, CA 94547-3717

Mortgage

Document Number0000320060
DateDec 21, 2020
Instrument2020-320060
Lender
NameFREEDOM MORTGAGE CORP
TypeSubprime Lender
AddressMOUNT LAUREL, NJ 08054
Agreement
TypeFHA Mortgage
AmountAmount on Record
Term297 Months
DueSep 1, 2045

Tax Assessment & Valuation

The 2025 property tax bill for 136 Bay St was $12,763 with a homeowner's exemption.

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$879,138 (+2%) Land $488,988 Building $390,150
2025$12,763.00 Homeowner's exemption$861,900 Land $479,400 Building $382,500
2023$7,162.00 (+1.22%) Homeowner's exemption$443,097 Land $161,459 Building $281,638
2022$7,076.00

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

Flood

FEMA maps place 136 Bay St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
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 136 Bay 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 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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