512 W 17th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 512 W 17th St, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 740 sqft · built 1937
Lot Size	0.076 acres (3,300 sqft)
Owner	2 Individual Names on File
Last Sale	$397,000 (May 2024)
Tax Bill	$5,097 (2025)
Deeds & Mortgages	Nov 2025 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`067-192-014-8`

Property Details

APN / Parcel Number

Primary APN	`067-192-014-8`
Alternative APN	`067-192-014`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	4 Rooms
Stories	1 Story
Building Area	740 sqft Living Area
1st Floor Area	740 sqft

Exterior

Year Built	Built 1937
Effective Year Built	Effective 1952
Exterior Material	Stucco
Roof Material	Tar & Gravel
Lot Area	3,300 sqft (0.076 acres)
Garage Area	180 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	512 W 17TH ST
City	ANTIOCH
State	CA
Zip	94509-2247
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	PCL MAP 105 PG 21 PCL B
Legal Subdivision	105-21, PARCEL MAP
Legal Tract	105PM21
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2010
Census Tract	305000

Owner

Source: Contra Costa County records · APN 067-192-014-8

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	512 W 17TH ST, ANTIOCH, CA 94509-2247
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	May 28, 2024 · Amount on Record
Deed Sale	May 28, 2024 · Amount on Record
Prior Sale	Jun 15, 2009 · Amount on Record
Deed Document Number	202449858
Prior Transfer Date	Jan 10, 2010
Prior Transfer Doc	0000057117
Record Updated	Sep 20, 2026

November 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	512 W 17TH ST, ANTIOCH, CA 94509-2247
Transaction Type	Mortgage
Record Updated	Nov 27, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	512 W 17TH ST, ANTIOCH, CA 94509-2247

Mortgage

Document Number	0000125754
Date	Nov 07, 2025
Instrument	2025- 125754

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	1050 WOODWARD AVE, DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 01, 2055

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		$413,038 (+2%) Land $256,458 Building $156,580
2025	$5,097.00 (+282.66%)	$404,940 (+445.37%) Land $251,430 Building $153,510
2023	$1,332.00 (+1.06%)	$74,250 Land $42,076 Building $32,174
2022	$1,318.00

Flood & Wildfire

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

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

Values are read at the parcel center point; 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)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

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

Based on FCC filings for 605 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.