Contra Costa County property record for 4901 Marsh Dr, Concord, CA 94520 · Last verified July 2026
| Property Type | Public Works > Federal Property (Exempt) |
|---|---|
| Year Built | Built 1987 |
| Square Footage | 8,740 sqft Gross Area |
| Lot Size | 5.96 acres |
| Tax Bill | $2,562.00 (2025) |
| Primary APN | 125-210-011-8 |
|---|---|
| Alternative APN |
|
| Building Area | 8,740 sqft Gross Area |
|---|---|
| 1st Floor | 8,740 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 259,748 sqft |
| Street Address | 4901 MARSH DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-5346 |
| Property Usage | Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage |
| Type | Public Works > Federal Property (Exempt) |
| Legal Description | POR RO MONTE DEL DIABLO |
| Legal Subdivision | RO MONTE DEL DIABLO |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 2 |
| Census Block | 2023 |
| Census Tract | 327001 |
Source: Contra Costa County records · APN 125-210-011-8
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 | 181 JOHN GLENN DR, 100, CONCORD, CA 94520-5620 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 | $3,110,341 (+2%) Land $3,110,341 | |
| 2025 | $2,562.00 (+12.37%) | $3,049,354 (+4.04%) Land $3,049,354 |
| 2023 | $2,280.00 (-86.84%) | $2,930,945 Land $2,930,945 |
| 2022 | $17,323.00 |
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