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4008 Steffa St, Antioch, CA 94509 Property Records

Contra Costa County property record for 4008 Steffa St, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,145 sqft · built 2012
Lot Size0.204 acres (8,881 sqft)
OwnerCompany Name on Record
Last Sale$321,500 (Sep 2012)
Tax Bill$6,725 (2025)
Deeds & MortgagesOct 2020 Mortgage
May 2020 Transfer
Flood ZoneZone X (minimal risk)
APN089-600-028-8

Property Details

APN / Parcel Number

Primary APN089-600-028-8
Alternative APN
  • 089-600-028

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area2,145 sqft Living Area
1st Floor Area2,145 sqft

Exterior

Year BuiltBuilt 2012
Effective Year BuiltEffective 2012
Lot Area8,881 sqft (0.204 acres)
Garage TypeAttached
Garage Area451 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address4008 STEFFA ST
CityANTIOCH
StateCA
Zip94509-4374
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8586 L245
Legal SubdivisionBLACK DIAMOND RANCH SUB 8586 U
Legal Tract8586
Legal Lot Number245
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group2
Census Block2010
Census Tract313106

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 RecordCompany Name on Record
Mailing Address4008 STEFFA ST, ANTIOCH, CA 94509-4374
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Oct 14, 2020Intrafamily Transfer, Transfer · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
May 27, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 19, 2012 · Amount on Record
Deed SaleSep 19, 2012 · Amount on Record
Deed Document Number2012229005
Last Transfer DateOct 8, 2020
Transfer Doc0000236413
Record UpdatedOct 29, 2026

October 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateOct 14, 2020
Property Address4008 STEFFA ST, ANTIOCH, CA 94509-4374
Document Number0000236413
Map ReferenceMB 504 PG 32
Instrument DateOct 8, 2020
Instrument2020-236413
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyFIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address4008 STEFFA ST, ANTIOCH, CA 94509-4374

Mortgage

Document Number0000236414
DateOct 14, 2020
Instrument2020-236414
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term180 Months
DueOct 1, 2035

May 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateMay 27, 2020
Property Address4008 STEFFA ST, ANTIOCH, CA 94509-4374
Document Number0000099942
Instrument DateMay 19, 2020
Instrument99942
Transaction TypeTransfer
Record UpdatedJun 3, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address4008 STEFFA ST ANTIOCH CA 945094374, ANTIOCH, CA 94509-4374

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$403,558 (+2%) Land $75,357 Building $328,201
2025$6,725.00 (+1.92%) Homeowner's exemption$395,646 (+4.04%) Land $73,880 Building $321,766
2023$6,598.00 (+1.57%) Homeowner's exemption$380,284 Land $71,012 Building $309,272
2022$6,496.00

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
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies5 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 RiskHigh
above 84% of the US · above 63% of California
Wildfire Likelihood0.7% 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 SystemCITY OF ANTIOCH
serves 116,781 people · EPA ID CA0710001
Water SourceSurface water
Last State InspectionJan 2024
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 264 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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