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425 Boulder Dr, Antioch, CA 94509 Property Records

Contra Costa County property record for 425 Boulder Dr, Antioch, CA 94509 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,653 sqft · built 1986
Lot Size0.254 acres (11,050 sqft)
OwnerIndividual Name on File
Tax Bill$2,341 (2025)
Deeds & MortgagesFeb 2018 Transfer
Feb 2018 Transfer
Flood ZoneZone X (minimal risk)
APN072-232-005-8

Property Details

APN / Parcel Number

Primary APN072-232-005-8
Alternative APN
  • 072-232-005

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,653 sqft Living Area
1st Floor Area1,653 sqft

Exterior

Year BuiltBuilt 1986
Effective Year BuiltEffective 1986
Lot Area11,050 sqft (0.254 acres)
Garage TypeAttached
Garage Area712 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address425 BOULDER DR
CityANTIOCH
StateCA
Zip94509-6907
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT05614 L0043 B EX MR
Legal SubdivisionSUBDIVISION 5614
Legal Tract05614
Legal Lot Number43
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1002
Census Tract355109

Owner

Source: Contra Costa County records · APN 072-232-005-8

Assessment roll updated July 14, 2026 · Last verified July 2026

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

Owner of RecordIndividual Name on File
Mailing Address425 BOULDER DR, ANTIOCH, CA 94509-6907
OccupancyOwner Occupied
Owner TypeIndividual
VestingSole Owner

Deeds, Mortgages & Sale History

DateDocument
Feb 27, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY
Feb 27, 2018Affidavit of Death, Transfer

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last Transfer DateFeb 16, 2018
Transfer Doc0000030005
Record UpdatedSep 20, 2026

February 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 27, 2018
Property Address425 BOULDER DR, ANTIOCH, CA 94509-6907
Document Number0000030005
Instrument DateFeb 16, 2018
Instrument30005
Transaction TypeTransfer
Record UpdatedMar 07, 2018
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address425 BOULDER DR ANTIOCH CA 945096907, ANTIOCH, CA 94509-6907

February 2018: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateFeb 27, 2018
Property Address425 BOULDER DR, ANTIOCH, CA 94509-6907
Document Number0000030004
Instrument DateFeb 16, 2018
Instrument30004
Transaction TypeTransfer
Record UpdatedMar 08, 2019

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address136 CORALFLOWER LN SAN RAMON CA 945825529, SAN RAMON, CA 94582-5529

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$157,760 (+2%) Land $61,265 Building $96,495
2025$2,341.00 (+6.17%)$154,667 (+4.04%) Land $60,064 Building $94,603
2023$2,205.00 (+1.33%)$148,664 Land $57,733 Building $90,931
2022$2,176.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 645 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
AT&TDSL100 / 20

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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