4512 Bison Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 4512 Bison Way, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,979 sqft · built 1999
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Trust Names on File
Last Sale	$292,000 (Dec 1999)
Tax Bill	$5,293 (2025)
Deeds & Mortgages	Aug 2020 Mortgage Aug 2020 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`053-560-037-3`

Property Details

APN / Parcel Number

Primary APN	`053-560-037-3`
Alternative APN	`053-560-037`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,979 sqft Living Area
1st Floor Area	1,560 sqft
2nd Floor Area	1,419 sqft

Exterior

Year Built	Built 1999
Effective Year Built	Effective 2006
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	635 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4512 BISON WAY
City	ANTIOCH
State	CA
Zip	94531-7468
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T7285 L755
Legal Subdivision	MAP/SUB 7285
Legal Tract	7285
Legal Lot Number	755
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2003
Census Tract	355111

Owner

4512 Bison Way is owner-occupied and held in a trust since June 2020.

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

Owner of Record	2 Trust Names on File
Mailing Address	4512 BISON WAY, ANTIOCH, CA 94531-7468
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Date	Document
Aug 13, 2020	Quit Claim Deed, Transfer QUICKEN LNS
Aug 13, 2020	Quit Claim Deed, Transfer AMROCK INC
Apr 2, 2019	Quit Claim Deed, Transfer · Conventional Mortgage QUICKEN LNS
Apr 2, 2019	Quit Claim Deed, Transfer AMROCK TITLE CA INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 16, 1999 · Amount on File
Deed Sale	Dec 16, 1999 · Amount on File
Deed Document Number	1999323767
Last Transfer Date	Jun 13, 2020
Transfer Doc	0000169603
Record Updated	Oct 29, 2026

August 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 13, 2020
Property Address	4512 BISON WAY, ANTIOCH, CA 94531-7468
Document Number	0000169603
Instrument Date	Jun 13, 2020
Instrument	169603
Transaction Type	Transfer
Record Updated	Aug 26, 2020
Title Company	AMROCK INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4512 BISON WAY ANTIOCH CA 945317468, ANTIOCH, CA 94531-7468

Mortgage

Document Number	169604
Date	Aug 13, 2020
Instrument	169604

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Amount	Amount on Record
Term	180 Months
Due	Aug 12, 2035

August 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 13, 2020
Property Address	4512 BISON WAY, ANTIOCH, CA 94531-7468
Document Number	0000169605
Instrument Date	Jun 13, 2020
Instrument	169605
Transaction Type	Transfer
Record Updated	Aug 26, 2020
Title Company	AMROCK INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4512 BISON WAY ANTIOCH CA 945317468, ANTIOCH, CA 94531-7468

April 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 2, 2019
Property Address	4512 BISON WAY, ANTIOCH, CA 94531-7468
Document Number	0000044735
Instrument Date	Mar 28, 2019
Instrument	44735
Transaction Type	Transfer
Record Updated	May 20, 2019
Title Company	AMROCK TITLE CA INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4512 BISON WAY ANTIOCH CA 945317468, ANTIOCH, CA 94531-7468

Mortgage

Document Number	44736
Date	Apr 2, 2019
Instrument	44736

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	240 Months
Due	Apr 1, 2039

April 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 2, 2019
Property Address	4512 BISON WAY, ANTIOCH, CA 94531-7468
Document Number	0000044737
Instrument Date	Mar 28, 2019
Instrument	44737
Transaction Type	Transfer
Record Updated	May 20, 2019
Title Company	AMROCK TITLE CA INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	4512 BISON WAY ANTIOCH CA 945317468, ANTIOCH, CA 94531-7468

Tax Assessment & Valuation

The 2025 property tax bill for 4512 Bison Way was $5,293 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		$460,102 (+2%) Land $78,374 Building $381,728
2025	$5,293.00 Homeowner's exemption	$451,082 Land $76,838 Building $374,244
2023	$4,979.00 (+1.61%) Homeowner's exemption	$433,567 Land $73,855 Building $359,712
2022	$4,900.00

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

Flood

FEMA maps place 4512 Bison Way in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2010.

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
Nearby Flood Claims	1 (2010)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Mar 2010 · other causes

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

The area around 4512 Bison Way has no burnable land within ember reach, so its wildfire risk is not rated.

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 536 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
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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