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  5. Gloucester St

804 Gloucester St, Antioch, CA 94509 Property Records

Contra Costa County property record for 804 Gloucester St, Antioch, CA 94509

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,075 sqft · built 1981
Lot Size0.193 acres (8,395 sqft)
Owner2 Individual Names on Record
Last Sale$375,000 (Feb 2016)
Tax Bill$5,537 (2025)
Deeds & MortgagesAug 2023 Mortgage
May 2023 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN071-422-002-7

Property Details

APN / Parcel Number

Primary APN071-422-002-7
Alternative APN
  • 071-422-002

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Stories1 Story
Building Area2,075 sqft Living Area
1st Floor Area1,634 sqft
Basement Area441 sqft

Exterior

Year BuiltBuilt 1981
Effective Year BuiltEffective 1982
Lot Area8,395 sqft (0.193 acres)
Garage TypeAttached
Garage Area472 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address804 GLOUCESTER ST
CityANTIOCH
StateCA
Zip94509-5540
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionT04698 L0047 B EX MR
Legal SubdivisionSUBDIVISION 4698
Legal Tract04698
Legal Lot Number47
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1001
Census Tract307101

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 Record2 Individual Names on Record
Mailing Address804 GLOUCESTER ST, ANTIOCH, CA 94509-5540
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Aug 17, 2023Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
May 10, 2023Intrafamily Transfer, Transfer
Jul 7, 2022Deed of Trust, Mortgage · Commercial Mortgage
THE MENDOZA FAMILY TRUST

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 19, 2016 · Amount on Record
Deed SaleFeb 19, 2016 · Amount on Record
Prior SaleMar 26, 1998 · Amount on Record
Deed Document Number201628349
Last Transfer DateMay 3, 2023
Transfer Doc0000043962
Record UpdatedSep 20, 2026

August 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address804 GLOUCESTER ST, ANTIOCH, CA 94509-5540
Transaction TypeMortgage
Record UpdatedAug 28, 2023
Title CompanyE-CHICAGO TITLE, CHICAGO TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address113 HILLSIDE BLVD, DALY CITY, CA 94014-1831

Mortgage

Document Number0000079249
DateAug 17, 2023
Instrument2023-079249
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2053

May 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMay 10, 2023
Property Address804 GLOUCESTER ST, ANTIOCH, CA 94509-5540
Document Number0000043962
Map ReferenceMB 202 PG 49
Instrument DateMay 3, 2023
Instrument2023-043962
Transaction TypeTransfer
Record UpdatedMay 23, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address804 GLOUCESTER ST, ANTIOCH, CA 94509-5540

July 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address804 GLOUCESTER ST, ANTIOCH, CA 94509-5540
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanySTEWART TITLE OF CA INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address113 HILLSIDE BLVD, DALY CITY, CA 94014-1831

Mortgage

Document Number0000109505
DateJul 7, 2022
Instrument2022-109505
Lender
NameTHE MENDOZA FAMILY TRUST
TypePrivate Party
Address4000 EXECUTIVE PKWY STE 160, SAN RAMON, CA 94583
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

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$452,796 (+2%) Land $120,744 Building $332,052
2025$5,537.00 (+5.15%)$443,919 (+4.04%) Land $118,377 Building $325,542
2023$5,266.00 (+1.58%)$426,682 Land $113,781 Building $312,901
2022$5,184.00

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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 582 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20

May also be available: AT&T.

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