525 E 18th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 525 E 18th St, Antioch, CA 94509

Property Summary

Property Type	Religious, Church, Worship (Synagogue, Temple, Parsonage)
Details	8,855 sqft · built 1951
Lot Size	0.72 acres (31,363 sqft)
Owner	Company Name on Record
Last Sale	$800,000 (Nov 2025)
Tax Bill	$1,416 (2025)
Deeds & Mortgages	Nov 2025 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`065-143-002-7`

Property Details

APN / Parcel Number

Primary APN	`065-143-002-7`
Alternative APN	`065-143-002`

Interior

Stories	1 Story
Building Area	8,855 sqft Gross Area
1st Floor Area	8,855 sqft

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1951
Exterior Material	Other
Construction Type	Frame
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	31,363 sqft (0.72 acres)

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	525 E 18TH ST
City	ANTIOCH
State	CA
Zip	94509-2743
Property Category	Other
Property Type	Other > Religious, Church, Worship (Synagogue, Temple, Parsonage)
Legal Description	POR NE QR SEC 19 T2N R2E MDBM .72 AC
Legal Range	02E
Legal Township	02N
Legal Section	19
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1012
Census Tract	306004

Owner

Source: Contra Costa County records, as of October 9, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	1616 CAYENNE DR, BRENTWOOD, CA 94513-2310
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 26, 2025 · Amount on Record
Deed Sale	Nov 26, 2025 · Amount on Record
Prior Sale	Jan 10, 2012 · Amount on Record
Deed Document Number	2025133700
Record Updated	Oct 29, 2026

November 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 26, 2025
Property Address	525 E 18TH ST, ANTIOCH, CA 94509-2743
Document Number	0000133700
Instrument Date	Nov 24, 2025
Instrument	2025- 133700
Transaction Type	Transfer
Record Updated	Dec 10, 2025
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
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
Address	1616 CAYENNE DR, BRENTWOOD, CA 94513-2310

Mortgage

Document Number	0000133701
Date	Nov 26, 2025
Instrument	2025- 133701

Lender

Name	INTERFAITH FCU
Type	Credit Union

Agreement

Amount	Amount Recorded
Term	180 Months
Due	Nov 25, 2040

Interest

Rate Type	Adjustable Rate

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		$1,200,000 (+100.29%) Land $400,000 Building $800,000
2025	$1,416.00 (-44.56%) Additional exemption filed	$599,129 (+4.04%) Land $420,774 Building $178,355
2023	$2,554.00 (-49.52%) Additional exemption filed	$575,866 Land $404,436 Building $171,430
2022	$5,059.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 19 policies
Nearby Flood Policies	19 in force
Nearby Flood Claims	15 (1983–2022)
Claims Outside the SFHA	2 of 15
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Dec 2022 · 3 claims Severe Winter Storms And Flooding, Feb 1998 · 2 claims

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

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

Wildfire Risk	Not 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 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 741 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

May also be available: Verizon.

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