1. Home
  2. California
  3. Contra Costa County
  4. Hercules
  5. Obsidian Way

100 Obsidian Way, Hercules, CA 94547 Property Records

Contra Costa County property record for 100 Obsidian Way, Hercules, CA 94547

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,328 sqft · built 1989
Lot Size0.193 acres (8,400 sqft)
Owner2 Individual Names on Record
Tax Bill$7,731 (2025)
Deeds & MortgagesJan 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN407-044-016-1

Property Details

APN / Parcel Number

Primary APN407-044-016-1
Alternative APN
  • 407-044-016

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area2,328 sqft Living Area
1st Floor Area1,316 sqft
2nd Floor Area1,012 sqft

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Lot Area8,400 sqft (0.193 acres)
Garage TypeAttached
Garage Area479 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address100 OBSIDIAN WAY
CityHERCULES
StateCA
Zip94547-1723
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionT6156A L0199 B
Legal SubdivisionSUBDIVISION 6156
Legal Tract6156A
Legal Lot Number0199
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group3
Census Block3001
Census Tract359204

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 Individual Names on Record
Mailing Address100 OBSIDIAN WAY, HERCULES, CA 94547-1723
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 6, 2012
Deed SaleSep 6, 2012
Deed Document Number2012217010
Prior Transfer DateAug 24, 2012
Prior Transfer Doc0000217010
Record UpdatedOct 29, 2026

January 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address100 OBSIDIAN WAY, HERCULES, CA 94547-1723
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanySERVICELINK

Transferred To (Grantee/Buyer)

NameVerified Name
Address100 OBSIDIAN WAY, HERCULES, CA 94547-1723

Mortgage

Document Number0000016856
DateJan 20, 2021
Instrument2021-016856
Lender
NamePENNYMAC LOAN SERVICES LLC
TypeMortgage Company
AddressWESTLAKE VILLAGE, CA 91361
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term358 Months
DueNov 1, 2050

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$489,233 (+2%) Land $137,804 Building $351,429
2025$7,731.00 (+6.33%) Homeowner's exemption$479,641 (+4.04%) Land $135,102 Building $344,539
2023$7,271.00 (+1.18%) Homeowner's exemption$461,017 Land $129,856 Building $331,161
2022$7,186.00

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 Likelihood0.02% annual chance
ExposureDirect
burnable vegetation

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 403 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
DSL · Fiber in parts of the area		100 / 20

May also be available: T-Mobile, Unwired.

Nearby Properties on Obsidian Way

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures