Contra Costa County property record for 505 Brookside Dr, Richmond, CA 94801
| Property Type | Commercial |
|---|---|
| Details | 133,949 sqft · built 1945 |
| Lot Size | 5.09 acres (221,763 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $17,729 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 408-201-039 |
| Primary APN | 408-201-039 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 133,949 sqft Gross Area |
| 1st Floor Area | 133,949 sqft |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Lot Area | 221,763 sqft |
| Street Address | 505 BROOKSIDE DR |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94801-1304 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | SAMPSON TAMS RANCH POR LD |
| Legal Subdivision | SAMPSON TAMS RANCH |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 365002 |
Source: Contra Costa County assessment roll, 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 File |
|---|---|
| Mailing Address | 4 N RANCHO CT, EL SOBRANTE, CA 94803-1152 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $459,944 (+2%) Land $393,639 Building $66,305 | |
| 2025 | $17,729.00 (+1.39%) | $450,926 (+4.04%) Land $385,921 Building $65,005 |
| 2023 | $17,486.00 (+0.33%) | $433,418 Land $370,936 Building $62,482 |
| 2022 | $17,429.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 12 (1982–1998) |
| Claims Outside the SFHA | 3 of 12 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 37 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: AT&T, T-Mobile USA, Verizon.
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