Contra Costa County property record for 1640 Challenge Dr, Concord, CA 94520 · Last verified July 2026
| Property Type | Industrial > Industrial Park |
|---|---|
| Year Built | Built 1964 |
| Square Footage | 11,202 sqft Gross Area |
| Lot Size | 24,045 sqft (0.552 acres) |
| Tax Bill | $4,976.00 (2025) |
| Primary APN | 127-232-007-6 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Rooms |
|---|---|
| Building Area | 11,202 sqft Gross Area |
| 1st Floor | 11,202 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Lot Area | 24,045 sqft (0.552 acres) |
| Street Address | 1640 CHALLENGE DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-5207 |
| Property Usage | Industrial Property Usage |
| Type | Industrial > Industrial Park |
| Legal Description | TRACT 2588 LOT 25 & POR 26 |
| Legal Subdivision | TRACT #2588 CONCORD INDUSTRIAL PARK |
| Legal Tract | 2588 |
| Legal Lot Number | 25 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2058 |
| Census Tract | 327001 |
Source: Contra Costa County records · APN 127-232-007-6
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 | Company Name on File |
|---|---|
| Mailing Address | 128 KING ST, 400, SAN FRANCISCO, CA 94107-1914 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 27, 1994 |
| Deed Sale | Dec 27, 1994 |
| Deed Doc Number | 1994301879 |
| Last Transfer Date | Apr 09, 2010 |
| Transfer Doc | 0000103854 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $282,755 (+2%) Land $105,284 Building $177,471 | |
| 2025 | $4,976.00 (+10.68%) | $277,212 (+4.04%) Land $103,220 Building $173,992 |
| 2023 | $4,496.00 (-0.55%) | $266,450 Land $99,213 Building $167,237 |
| 2022 | $4,521.00 |
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