5117 Pioneer Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 5117 Pioneer Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,533 sqft · built 1993
Lot Size	0.13 acres (5,655 sqft)
Owner	Individual Name on File
Last Sale	$280,000 (Mar 2002)
Tax Bill	$5,051 (2025)
Deeds & Mortgages	Nov 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`056-210-037`

Property Details

APN / Parcel Number

Primary APN	`056-210-037`
Alternative APN	`056-210-037-0`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	1,533 sqft Living Area
1st Floor Area	862 sqft
2nd Floor Area	671 sqft

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Lot Area	5,655 sqft (0.13 acres)
Garage Type	Attached
Garage Area	669 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	5117 PIONEER CT
City	ANTIOCH
State	CA
Zip	94531-8467
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-2
Legal Description	T7618 L440
Legal Subdivision	SUBDIVISION 7618
Legal Tract	7618
Legal Lot Number	440
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1011
Census Tract	303207

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Shannon-Williamson Ranch listed 1987 · 12 contributing resources · NRIS 87000003

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

5117 Pioneer Ct is owned and occupied by an individual who acquired it in August 2006.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	Individual Name on File
Mailing Address	5117 PIONEER CT, ANTIOCH, CA 94531-8467
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 15, 2002 · Amount on File
Deed Sale	Mar 15, 2002 · Amount on File
Prior Sale	Dec 22, 1993 · Amount on File
Deed Document Number	200292476
Last Transfer Date	Aug 25, 2006
Transfer Doc	0000279804
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	5117 PIONEER CT, ANTIOCH, CA 94531-8467
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5117 PIONEER CT, ANTIOCH, CA 94531-8467

Mortgage

Document Number	0000286396
Date	Nov 24, 2020
Instrument	2020-286396

Lender

Name	DAS ACQUISITION
Type	Mortgage Company
Address	SAINT LOUIS, MO 63141

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 5117 Pioneer Ct was $5,051 with a homeowner's exemption.

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		$431,385 (+2%) Land $158,205 Building $273,180
2025	$5,051.00 Homeowner's exemption	$422,927 Land $155,103 Building $267,824
2023	$4,752.00 (+1.56%) Homeowner's exemption	$406,506 Land $149,081 Building $257,425
2022	$4,679.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 5117 Pioneer Ct in Zone X, an area of minimal flood risk.

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

Wildfire risk around 5117 Pioneer Ct is low, with a 0.06% annual chance of wildfire.

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

Wildfire Risk	Low lower than 62% of the US · lower than 77% of California
Wildfire Likelihood	0.06% annual chance
Exposure	Indirect 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 638 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
Verizon Fixed Wireless	300 / 20
AT&T DSL	100 / 20