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203 Wilbur Ave, Antioch, CA 94509 Property Records

Contra Costa County property record for 203 Wilbur Ave, Antioch, CA 94509 · Last verified July 2026

Property Summary

Property TypeApartments (5+ Units)
Details20,112 sqft · built 1951
Lot Size1.43 acres (62,726 sqft)
Owner2 Company Names on File
Last Sale$1,345,000 (Dec 2010)
Tax Bill$33,960 (2025)
Deeds & MortgagesDec 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN065-050-029-1

Property Details

APN / Parcel Number

Primary APN065-050-029-1
Alternative APN
  • 065-050-029

Interior

Total Rooms27 Rooms
Stories1 Story
Building Area20,112 sqft Living Area
Gross Area2,800 sqft
1st Floor Area2,800 sqft

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 1955
Lot Area62,726 sqft

Location & Zoning

Street Address203 WILBUR AVE, 215
CityANTIOCH
StateCA
Zip94509-1815
Property CategoryResidential
Property TypeResidential > Multi-Unit > Apartments (5+ Units)
Legal DescriptionPOR SEC 18 T2N R2E
Legal Range02E
Legal Township02N
Legal Section18
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1000
Census Tract305000

Owner

Source: Contra Costa County records · APN 065-050-029-1

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 Record2 Company Names on File
Mailing Address155 ESMEYER DR, SAN RAFAEL, CA 94903-3770
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleDec 17, 2010 · Amount on Record
Deed SaleDec 17, 2010 · Amount on Record
Prior SaleSep 03, 2010 · Amount on Record
Deed Document Number2010286100
Prior Transfer DateJan 31, 2009
Prior Transfer Doc0000024662
Record UpdatedSep 20, 2026

December 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 05, 2017
Property Address203 WILBUR AVE # 215, 215, ANTIOCH, CA 94509-1815
Document Number0000227526
Instrument DateNov 22, 2017
Instrument2017-227526
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1466 7TH ST, BERKELEY, CA 94710-1432

Mortgage

Document Number0000227527
DateDec 05, 2017
Instrument2017-227527
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

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$1,744,175 (+2%) Land $653,394 Building $1,090,781
2025$33,960.00 (+8.12%)$1,709,977 (+4.04%) Land $640,583 Building $1,069,394
2023$31,410.00 (+1.02%)$1,643,578 (+2%) Land $615,709 Building $1,027,869
2022$31,093.00$1,611,352 Land $603,637 Building $1,007,715

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft

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 593 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
T-Mobile USAFixed Wireless100 / 20

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

Mobile Coverage

5G and 4G LTE

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