313 Calvert Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 313 Calvert Ct, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,635 sqft · built 1975
Lot Size	0.193 acres (8,400 sqft)
Owner	2 Individual Names on Record
Tax Bill	$2,532 (2025)
Deeds & Mortgages	Feb 2020 Mortgage Jun 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`068-414-012-2`

Property Details

APN / Parcel Number

Primary APN	`068-414-012-2`
Alternative APN	`068-414-012`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,635 sqft Living Area
Gross Area	2,118 sqft
1st Floor Area	1,635 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1976
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	8,400 sqft (0.193 acres)
Garage Type	Attached
Garage Area	483 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	313 CALVERT CT
City	ANTIOCH
State	CA
Zip	94509-6113
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 4510 LOT 173 EX 1/2 MR
Legal Subdivision	SUBDIVISION 4510
Legal Tract	4510
Legal Lot Number	173
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	4
Census Block	4007
Census Tract	308001

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 Record	2 Individual Names on Record
Mailing Address	313 CALVERT CT, ANTIOCH, CA 94509-6113
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Feb 4, 2020	Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION
Jun 29, 2021	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Mar 15, 2006
Transfer Doc	0000093890
Record Updated	Sep 20, 2026

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	313 CALVERT CT, ANTIOCH, CA 94509-6113
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORANGE COAST TITLE SAN JOSE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000021144
Date	Feb 4, 2020
Instrument	2020-021144

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 1, 2050

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	313 CALVERT CT, ANTIOCH, CA 94509-6113
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	313 CALVERT CT, ANTIOCH, CA 94509-6113

Mortgage

Document Number	0000185331
Date	Jun 29, 2021
Instrument	2021-185331

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2051

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Antioch City
Unified School District	Antioch Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$185,678 (+2%) Land $36,208 Building $149,470
2025	$2,532.00 (+6.25%) Homeowner's exemption	$182,039 (+4.04%) Land $35,499 Building $146,540
2023	$2,383.00 (+1.45%) Homeowner's exemption	$174,971 Land $34,121 Building $140,850
2022	$2,349.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 System	CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001
Water Source	Surface water
Last State Inspection	Jan 2024
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 645 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
AT&T DSL	100 / 20

May also be available: Verizon.

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