1670 Challenge Dr, Concord, CA 94520 Property Records

Contra Costa County property record for 1670 Challenge Dr, Concord, CA 94520 · Last verified July 2026

Property Highlights

Property Type	Industrial > Industrial Park
Year Built	Built 1964
Square Footage	10,611 sqft Gross Area
Lot Size	26,397 sqft (0.606 acres)
Last Sale	$850,000 (1997)
Tax Bill	$21,747.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`127-232-005`
Alternative APN	`127-232-005-0`

Interior

Total Rooms	3 Rooms
Building Area	10,611 sqft Gross Area
1st Floor	10,611 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Lot Area	26,397 sqft (0.606 acres)

Location & Zoning

Street Address	1670 CHALLENGE DR
City	CONCORD
State	CA
Zip	94520-5207
Property Usage	Industrial Property Usage
Type	Industrial > Industrial Park
Legal Description	TRACT 2588 LOT 22
Legal Subdivision	CONCORD INDUSTRIAL PARK
Legal Tract	2588
Legal Lot Number	22
Jurisdiction	CONTRA COSTA CA
Minor Civil Division	CENTRAL CONTRA COSTA
Census Blockgroup	2
Census Block	2058
Census Tract	327001

Owner

Source: Contra Costa County records · APN 127-232-005

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	42 GENTLE CREEK PL, DANVILLE, CA 94526-1706
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 31, 1997 · Amount on Record
Deed Sale	Oct 31, 1997 · Amount on Record
Deed Doc Number	1997213880
Last Transfer Date	Sep 01, 2003
Transfer Doc	0000452032
Record Refreshed	Sep 20, 2026

December 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 08, 2025
Property Address	1670 CHALLENGE DR, CONCORD, CA 94520-5207
Document Number	0000136985
Map Reference	MB 82 PG 42
Instrument Date	Nov 20, 2025
Instrument	2025- 136985
Transaction Type	Transfer
Record Updated	Dec 18, 2025

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	42 GENTLE CREEK PL, DANVILLE, CA 94526-1706

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	Concord City
Unified School District	Mount Diablo 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		$1,737,926 (+2%) Land $672,678 Building $1,065,248
2025	$21,747.00 (+6.43%)	$1,703,850 (+4.04%) Land $659,489 Building $1,044,361
2023	$20,434.00 (+12.13%)	$1,637,689 Land $633,881 Building $1,003,808
2022	$18,223.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.