1301 W 18th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 1301 W 18th St, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,492 sqft · built 1969
Lot Size	0.235 acres (10,230 sqft)
Owner	2 Individual Names on File
Last Sale	$535,000 (Aug 2023)
Tax Bill	$6,677 (2025)
Deeds & Mortgages	Aug 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`074-321-011-4`

Property Details

APN / Parcel Number

Primary APN	`074-321-011-4`
Alternative APN	`074-321-011`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,492 sqft Living Area
1st Floor Area	1,492 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1985
Lot Area	10,230 sqft (0.235 acres)
Lot Dimensions	165 ft deep x 65 ft wide
Garage Type	Attached
Garage Area	427 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Street Address	1301 W 18TH ST
City	ANTIOCH
State	CA
Zip	94509-1426
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	TRACT 3813 LOT 136 EX MR
Legal Subdivision	SUBDIVISION 3813
Legal Tract	3813
Legal Lot Number	136
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	4
Census Block	4014
Census Tract	305000

Owner

Source: Contra Costa County records · APN 074-321-011-4

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 Record	2 Individual Names on File
Mailing Address	1301 W 18TH ST, ANTIOCH, CA 94509-1426
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 11, 2023 · Amount on Record
Deed Sale	Aug 11, 2023 · Amount on Record
Prior Sale	Nov 30, 2010 · Amount on Record
Deed Document Number	202376769
Prior Transfer Date	Nov 21, 2010
Prior Transfer Doc	0000086768
Record Updated	Sep 20, 2026

August 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 11, 2023
Property Address	1301 W 18TH ST, ANTIOCH, CA 94509-1426
Document Number	0000076769
Map Reference	MB 123 PG 44
Instrument Date	Aug 01, 2023
Instrument	2023-076769
Transaction Type	Transfer
Record Updated	Aug 22, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1301 W 18TH ST, ANTIOCH, CA 94509-1426

Mortgage

Document Number	0000076770
Date	Aug 11, 2023
Instrument	2023-076770

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 01, 2053

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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.

Year	Tax Bill	Assessed Value
2026		$556,614 (+2%) Land $280,908 Building $275,706
2025	$6,677.00 (+171.42%)	$545,700 (+212.09%) Land $275,400 Building $270,300
2023	$2,460.00 (+1.4%)	$174,854 Land $36,939 Building $137,915
2022	$2,426.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 in force

Wildfire

Wildfire Risk	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

May also be available: T-Mobile USA, Verizon.

Based on FCC filings for 567 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF ANTIOCH serves 116,781 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.