5443 Piper Ln, Oakley, CA 94561 Property Records

Contra Costa County property record for 5443 Piper Ln, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 1,933 sqft · built 1990
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Individual Names on File
Last Sale	$339,000 (Mar 2003)
Tax Bill	$6,389 (2025)
Deeds & Mortgages	Feb 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`037-332-008-4`

Property Details

APN / Parcel Number

Primary APN	`037-332-008-4`
Alternative APN	`037-332-008`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	1,933 sqft Living Area
Gross Area	2,353 sqft
1st Floor Area	1,119 sqft
2nd Floor Area	814 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Architectural Style	Mediterranean
Exterior Material	Stucco
Roof Material	Tile
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Deck Area	Deck Area

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	5443 PIPER LN
City	OAKLEY
State	CA
Zip	94561-3122
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-6
Legal Description	T7193 L59
Legal Subdivision	SUBDIVISION 7193
Legal Tract	7193
Legal Lot Number	59
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	2
Census Block	2007
Census Tract	302006

Owner

5443 Piper Ln is owned and occupied by two individuals who bought it in March 2003.

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

Owner of Record	2 Individual Names on File
Mailing Address	5443 PIPER LN, OAKLEY, CA 94561-3122
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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	2 Names on Deed
Last Sale	Mar 28, 2003 · Amount on File
Deed Sale	Mar 28, 2003 · Amount on File
Prior Sale	Jun 30, 1998 · Amount on File
Deed Document Number	2003141905
Prior Transfer Date	Feb 2, 1996
Prior Transfer Doc	0000034311
Record Updated	Oct 29, 2026

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	5443 PIPER LN, OAKLEY, CA 94561-3122
Document Number	0000021629
Instrument Date	Feb 13, 2019
Transaction Type	Mortgage
Record Updated	Mar 1, 2019
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	5443 PIPER LN OAKLEY CA 945613122, OAKLEY, CA 94561-3122

Mortgage

Document Number	0000021629
Date	Feb 19, 2019
Instrument	21629

Lender

Name	HERITAGE BK/COMMERCE
Type	Bank
Address	SAN JOSE, CA 95113

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 5443 Piper Ln was $6,389 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	Oakley City
Secondary School District	Liberty Union High School District (09 - 12)
Elementary School District	Oakley Union Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$500,781 (+2%) Land $169,878 Building $330,903
2025	$6,389.00 Homeowner's exemption	$490,963 Land $166,548 Building $324,415
2023	$6,203.00 (+0.85%) Homeowner's exemption	$471,900 Land $160,082 Building $311,818
2022	$6,151.00

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

Flood

FEMA maps place 5443 Piper Ln in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 in force

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

Wildfire risk around 5443 Piper Ln is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% 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	DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007
Water Source	Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT
Last State Inspection	Jan 2024
Also Mapped Here	CONTRA COSTA WATER DISTRICT
Lead	2 ppb (2020–2022) 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 301 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