4408 Black Walnut Ct, Concord, CA 94521 Property Records

Contra Costa County property record for 4408 Black Walnut Ct, Concord, CA 94521

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,917 sqft · built 1973
Lot Size	0.141 acres (6,144 sqft)
Owner	2 Individual Names on File
Last Sale	$1,164,000 (Jul 2021)
Tax Bill	$13,010 (2025)
Deeds & Mortgages	Jul 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`133-250-005-5`

Property Details

APN / Parcel Number

Primary APN	`133-250-005-5`
Alternative APN	`133-250-005`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,917 sqft Living Area
1st Floor Area	1,917 sqft

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1988
Architectural Style	Cluster
Lot Area	6,144 sqft (0.141 acres)
Garage Type	Attached
Garage Area	437 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4408 BLACK WALNUT CT
City	CONCORD
State	CA
Zip	94521-4320
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PD
Legal Description	TRACT 3941 LOT 530 EX MR
Legal Subdivision	THE CROSSINGS
Legal Tract	3941
Legal Lot Number	530
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2004
Census Tract	334006

Owner

4408 Black Walnut Ct is owned and occupied by two individuals who bought it in July 2021.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	4408 BLACK WALNUT CT, CONCORD, CA 94521-4320
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 7, 2021 · Amount on File
Deed Sale	Jul 7, 2021 · Amount on File
Prior Sale	May 1, 2001 · Amount on File
Deed Document Number	2021192288
Prior Transfer Date	Aug 11, 2016
Prior Transfer Doc	0000169666
Record Updated	Oct 29, 2026

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 7, 2021
Property Address	4408 BLACK WALNUT CT, CONCORD, CA 94521-4320
Document Number	0000192288
Map Reference	MB 153 PG 28-34
Instrument Date	Jun 29, 2021
Instrument	2021-192288
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4408 BLACK WALNUT CT, CONCORD, CA 94521-4320

Mortgage

Document Number	0000192289
Date	Jul 7, 2021
Instrument	2021-192289

Lender

Name	AMERICAN PACIFIC MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 4408 Black Walnut Ct was $13,010 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	Concord City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,062,000 (-2.93%) Land $711,650 Building $350,350
2025	$13,010.00 Homeowner's exemption	$1,094,000 Land $733,093 Building $360,907
2023	$12,457.00 (-9.95%) Homeowner's exemption	$1,050,000 Land $700,000 Building $350,000
2022	$13,833.00

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

Flood

FEMA maps place 4408 Black Walnut 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 4408 Black Walnut Ct is moderate, ranking above 43% of the US, with a 0.07% annual chance of 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