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4029 Roberts Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 4029 Roberts Ct, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,778 sqft · built 2010
Lot Size0.246 acres (10,704 sqft)
Owner2 Individual Names on File
Last Sale$615,000 (Jan 2021)
Tax Bill$9,212 (2025)
Deeds & MortgagesJan 2021 Sale
Flood ZoneZone X (minimal risk)
APN089-570-012-8

Property Details

APN / Parcel Number

Primary APN089-570-012-8
Alternative APN
  • 089-570-012

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area1,778 sqft Living Area
1st Floor Area1,778 sqft

Exterior

Year BuiltBuilt 2010
Effective Year BuiltEffective 2010
Lot Area10,704 sqft (0.246 acres)
Garage TypeAttached
Garage Area573 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address4029 ROBERTS CT
CityANTIOCH
StateCA
Zip94509-6290
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8585 L107
Legal SubdivisionSUBDIVISION 8585
Legal Tract8585
Legal Lot Number107
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group2
Census Block2006
Census Tract313106

Owner

4029 Roberts Ct is owned and occupied by two individuals who bought it in January 2021.

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

Owner of Record2 Individual Names on File
Mailing Address4029 ROBERTS CT, ANTIOCH, CA 94509-6290
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 15, 2021 · Amount on File
Deed SaleJan 15, 2021 · Amount on File
Prior SaleAug 17, 2010 · Amount on File
Deed Document Number202114079
Record UpdatedOct 29, 2026

January 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJan 15, 2021
Property Address4029 ROBERTS CT, ANTIOCH, CA 94509-6290
Document Number0000014079
Instrument DateJan 12, 2021
Instrument14079
Transaction TypeTransfer
Record UpdatedJan 27, 2021
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount on Record
Tax$677.00
Amount AccuracyFull Value
Additional
  • Notice of Default
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address4029 ROBERTS CT ANTIOCH CA 945096290, ANTIOCH, CA 94509-6290

Tax Assessment & Valuation

The 2025 property tax bill for 4029 Roberts Ct was $9,212 with a homeowner's exemption.

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$679,007 (+2%) Land $331,223 Building $347,784
2025$9,212.00 Homeowner's exemption$665,694 Land $324,729 Building $340,965
2023$8,948.00 (+1.61%) Homeowner's exemption$639,846 Land $312,120 Building $327,726
2022$8,806.00

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

Flood

FEMA maps place 4029 Roberts Ct in Zone X, an area of minimal flood risk.

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 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

Wildfire risk around 4029 Roberts Ct is moderate, ranking above 65% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire RiskModerate
above 65% of the US · above 40% of California
Wildfire Likelihood0.2% 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 303 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20

May also be available: AT&T.

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