1200 W 9th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 1200 W 9th St, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,435 sqft · built 1947
Lot Size0.115 acres (5,000 sqft)
OwnerIndividual Name on File
Last Sale$515,000 (Nov 2024)
Tax Bill$6,334 (2025)
Deeds & MortgagesJun 2017 Transfer
Flood ZoneZone X (minimal risk)
APN066-222-027-6

Property Details

APN / Parcel Number

Primary APN066-222-027-6
Alternative APN
  • 066-222-027

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,435 sqft Living Area
1st Floor Area1,435 sqft

Exterior

Year BuiltBuilt 1947
Effective Year BuiltEffective 1978
Architectural StyleBungalow
Exterior MaterialOther
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area5,000 sqft (0.115 acres)

Utilities, Heating & Cooling

Cooling SystemEvaporative
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address1200 W 9TH ST
CityANTIOCH
StateCA
Zip94509-1028
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionWESTERN SUBN LOT 12A BLK 86
Legal SubdivisionWESTERN SUB
Legal Block86
Legal Lot Number12A
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group4
Census Block4007
Census Tract305000

Owner

1200 W 9th St is owned and occupied by an individual who bought it in November 2024.

Source: Contra Costa County records, as of October 9, 2026

Owner of RecordIndividual Name on File
Mailing Address1200 W 9TH ST, ANTIOCH, CA 94509-1028
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle

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 NamesName on Deed
Last SaleNov 26, 2024 · Amount on File
Deed SaleNov 26, 2024 · Amount on File
Prior SaleAug 7, 2024 · Amount on File
Deed Document Number2024127931
Prior Transfer DateFeb 10, 2011
Prior Transfer Doc0000040635
Record UpdatedOct 29, 2026

June 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 16, 2017
Property Address1200 W 9TH ST, ANTIOCH, CA 94509-1028
Document Number0000107523
Instrument DateMay 10, 2017
Instrument107523
Transaction TypeTransfer
Record UpdatedJun 26, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLimited Partnership
Address8665 E HARTFORD DR #200 SCOTTSDALE AZ 852557807, 200, SCOTTSDALE, AZ 85255-7807

Tax Assessment & Valuation

The 2025 property tax bill for 1200 W 9th St was $6,334.

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$525,300 (+2%) Land $255,000 Building $270,300
2025$6,334.00$515,000 Land $250,000 Building $265,000
2023$8,394.00 (+93.14%)$349,964 (+59.46%) Land $191,387 Building $158,577
2022$4,346.00$219,471 Land $86,633 Building $132,838

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 1200 W 9th St 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

The area around 1200 W 9th 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 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 372 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL · Fixed Wireless in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20

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