4489 Piper Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 4489 Piper Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,045 sqft · built 2013
Lot Size	0.105 acres (4,590 sqft)
Owner	2 Company Names on File
Last Sale	$357,500 (Dec 2013)
Tax Bill	$5,190 (2025)
Deeds & Mortgages	Jun 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`053-362-034`

Property Details

APN / Parcel Number

Primary APN	`053-362-034`
Alternative APN	`053-362-034-0`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,045 sqft Living Area
1st Floor Area	881 sqft
2nd Floor Area	1,164 sqft

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2013
Lot Area	4,590 sqft (0.105 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4489 PIPER CT
City	ANTIOCH
State	CA
Zip	94531-9443
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6909 L59
Legal Subdivision	SUBDIVISION 6909
Legal Tract	6909
Legal Lot Number	59
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	4
Census Block	4019
Census Tract	302009

Owner

Source: Contra Costa County records · APN 053-362-034

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 Company Names on File
Mailing Address	1270 PARKINGTON AVE, SUNNYVALE, CA 94087-1559
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 24, 2013 · Amount on Record
Deed Sale	Dec 24, 2013 · Amount on Record
Deed Document Number	2013293983
Last Transfer Date	Apr 20, 2015
Transfer Doc	0000086455
Record Updated	Sep 20, 2026

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4489 PIPER CT, ANTIOCH, CA 94531-9443
Document Number	0000126011
Instrument Date	Jun 24, 2020
Transaction Type	Mortgage
Record Updated	Jul 07, 2020
Title Company	AMROCK TITLE CA INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1270 PARKINGTON AVE SUNNYVALE CA 940871559, SUNNYVALE, CA 94087-1559

Mortgage

Document Number	0000126011
Date	Jun 26, 2020
Instrument	126011

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 25, 2050

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

Year	Tax Bill	Assessed Value
2026		$446,874 (+2%) Land $81,269 Building $365,605
2025	$5,190.00 (+6.31%)	$438,113 (+4.04%) Land $79,676 Building $358,437
2023	$4,882.00 (+1.58%)	$421,102 Land $76,583 Building $344,519
2022	$4,806.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 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
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Verizon.

Based on FCC filings for 656 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.