1237 Simmons St, Antioch, CA 94509 Property Records

Contra Costa County property record for 1237 Simmons St, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,625 sqft · built 1959
Lot Size	0.127 acres (5,520 sqft)
Owner	Individual Name on Record
Last Sale	$365,000 (Oct 2016)
Tax Bill	$5,233 (2025)
Deeds & Mortgages	Jun 2021 Mortgage May 2022 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`065-223-018-6`

Property Details

APN / Parcel Number

Primary APN	`065-223-018-6`
Alternative APN	`065-223-018`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,625 sqft Living Area
1st Floor Area	1,625 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1975
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Roof Material	Composition Shingle
Lot Area	5,520 sqft (0.127 acres)
Garage Type	Attached
Garage Area	476 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	1237 SIMMONS ST
City	ANTIOCH
State	CA
Zip	94509-2029
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TRACT 2693 LOT 14
Legal Subdivision	2693 GARROW ESTATES
Legal Tract	2693
Legal Lot Number	14
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1008
Census Tract	306004

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	Individual Name on Record
Mailing Address	1237 SIMMONS ST, ANTIOCH, CA 94509-2029
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jun 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
May 11, 2022	Deed of Trust, Mortgage · Line of Credit US BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 19, 2016 · Amount on Record
Deed Sale	Oct 19, 2016 · Amount on Record
Prior Sale	Jun 2, 2016 · Amount on Record
Deed Document Number	2016218531
Prior Transfer Date	Feb 5, 2014
Prior Transfer Doc	0000021691
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1237 SIMMONS ST, ANTIOCH, CA 94509-2029
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1237 SIMMONS ST, ANTIOCH, CA 94509-2029

Mortgage

Document Number	0000185171
Date	Jun 28, 2021
Instrument	2021-185171

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

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

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1237 SIMMONS ST, ANTIOCH, CA 94509-2029
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	RADIAN SETTLEMENT SVCS INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1237 SIMMONS ST, ANTIOCH, CA 94509-2029

Mortgage

Document Number	0000080900
Date	May 11, 2022
Instrument	2022-080900

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	359 Months
Due	Apr 18, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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		$432,079 (+2%) Land $147,972 Building $284,107
2025	$5,233.00 (+5.27%) Homeowner's exemption	$423,608 (+4.04%) Land $145,071 Building $278,537
2023	$4,971.00 (+1.59%) Homeowner's exemption	$407,161 Land $139,439 Building $267,722
2022	$4,893.00

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
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	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 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 631 locations within half a mile, as of December 31, 2025

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

May also be available: Verizon.

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