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4508 Temblor Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 4508 Temblor Way, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,478 sqft · built 2001
Lot Size0.157 acres (6,840 sqft)
OwnerCompany Name on File
Last Sale$222,000 (Jun 2012)
Tax Bill$6,041 (2025)
Deeds & MortgagesNov 2023 Sale
Dec 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN053-392-001-3

Property Details

APN / Parcel Number

Primary APN053-392-001-3
Alternative APN
  • 053-392-001

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms9 Rooms
Stories2 Stories
Building Area2,478 sqft Living Area
1st Floor Area1,063 sqft
2nd Floor Area1,415 sqft

Exterior

Year BuiltBuilt 2001
Effective Year BuiltEffective 2001
Lot Area6,840 sqft (0.157 acres)
Garage TypeAttached
Garage Area424 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address4508 TEMBLOR WAY
CityANTIOCH
StateCA
Zip94531-9397
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT6925 L521
Legal SubdivisionCALIHOMA SUB
Legal Tract6925
Legal Lot Number521
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group1
Census Block1022
Census Tract308002

Owner

4508 Temblor Way is owned by a company that bought it in June 2012.

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

Owner of RecordCompany Name on File
Mailing Address345 PARK AVE, NEW YORK, NY 10154-0023
Owner TypeCompany

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

DateDocument
Nov 30, 2023Grant Deed, Transfer
OS NATIONAL LLC
Dec 21, 2017Quit Claim Deed, Transfer
GERMAN AM CAP

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 26, 2012 · Amount on File
Deed SaleJun 26, 2012 · Amount on File
Prior SaleAug 31, 2001 · Amount on File
Deed Document Number2012150447
Prior Transfer DateAug 27, 2001
Prior Transfer Doc0000262633
Record UpdatedOct 29, 2026

November 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 30, 2023
Property Address4508 TEMBLOR WAY, ANTIOCH, CA 94531-9397
Document Number0000126997
Map ReferenceMB 375 PG 35
Instrument DateNov 29, 2023
Instrument2023-126997
Transaction TypeTransfer
Record UpdatedDec 13, 2023
Title CompanyOS NATIONAL LLC

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address15771 RED HILL AVE STE 100, 100, TUSTIN, CA 92780-7333
InvestorPossibly a Property Investor

December 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 21, 2017
Property Address4508 TEMBLOR WAY, ANTIOCH, CA 94531-9397
Document Number0000239763
Instrument DateDec 20, 2017
Instrument239763
Transaction TypeTransfer
Record UpdatedAug 29, 2018
Title CompanyOS NATIONAL LLC

Transaction

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

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1508 BROOKHOLLOW DR SANTA ANA CA 927055433, SANTA ANA, CA 92705-5433
InvestorPossibly a Property Investor

Mortgage

Document Number239764
DateDec 21, 2017
Instrument239764
Lender
NameGERMAN AM CAP
TypeFunding / Finance Company
Address60 WALL ST # 10TH, NEW YORK, NY 10005-2836
Agreement
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 4508 Temblor Way was $6,041.

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$676,260 (+33.95%) Land $176,868 Building $499,392
2025$6,041.00$504,850 Land $145,071 Building $359,779
2023$5,695.00 (+1.55%)$485,248 Land $139,439 Building $345,809
2022$5,608.00

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

Flood

FEMA maps place 4508 Temblor Way 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 Policies2 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 4508 Temblor Way 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 656 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: Verizon.

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