4401 Black Walnut Ct, Concord, CA 94521 Property Records

Contra Costa County property record for 4401 Black Walnut Ct, Concord, CA 94521

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,367 sqft · built 1979
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$334,000 (Jul 2001)
Tax Bill	$6,381 (2025)
Deeds & Mortgages	Mar 2018 Loan Modification
Flood Zone	Zone X (minimal risk)
APN	`133-260-045-9`

Property Details

APN / Parcel Number

Primary APN	`133-260-045-9`
Alternative APN	`133-260-045`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,367 sqft Living Area
1st Floor Area	1,367 sqft

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1980
Architectural Style	Cluster
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	439 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4401 BLACK WALNUT CT
City	CONCORD
State	CA
Zip	94521-4319
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PD
Legal Description	T04838 L1067 B
Legal Subdivision	THE CROSSINGS
Legal Tract	04838
Legal Lot Number	1067
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2005
Census Tract	334006

Owner

Source: Contra Costa County records, as of July 14, 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 Record
Mailing Address	4401 BLACK WALNUT CT, CONCORD, CA 94521-4319
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 12, 2001 · Amount on Record
Deed Sale	Jul 12, 2001 · Amount on Record
Deed Document Number	2001199582
Prior Transfer Date	Jan 27, 1999
Prior Transfer Doc	0000034478
Record Updated	Oct 29, 2026

March 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	CONTRA COSTA CA
Property Address	4401 BLACK WALNUT CT, CONCORD, CA 94521-4319
Document Number	0000044362
Instrument Date	Mar 10, 2018
Transaction Type	Mortgage
Record Updated	Mar 27, 2018
Title Company	AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	4401 BLACK WALNUT CT CONCORD CA 945214319, CONCORD, CA 94521-4319

Mortgage

Document Number	0000044362
Date	Mar 22, 2018
Instrument	44362

Lender

Name	WELLS FARGO BK/TX
Type	Bank
Address	PHOENIX, AZ 85029

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Concord City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$503,266 (+2%) Land $263,689 Building $239,577
2025	$6,381.00 (+4.83%) Homeowner's exemption	$493,399 (+4.04%) Land $258,519 Building $234,880
2023	$6,087.00 (+1.5%) Homeowner's exemption	$474,241 Land $248,481 Building $225,760
2022	$5,997.00

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

Flood

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

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

Wildfire Risk	Moderate above 43% of the US · lower than 74% of California
Wildfire Likelihood	0.07% annual chance
Exposure	None beyond 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	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) 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 669 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20