Contra Costa County property record for 506 Duboce Ave, Richmond, CA 94801
| Property Type | Commercial Vacant Land |
|---|---|
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Company Name on File |
| Tax Bill | $855 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 561-192-013-2 |
| Primary APN | 561-192-013-2 |
|---|---|
| Alternative APN |
|
| Lot Area | 7,500 sqft (0.172 acres) |
|---|
| Street Address | 506 DUBOCE AVE, 510 |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94801-1941 |
| Property Category | Commercial |
| Property Type | Vacant Land > Commercial |
| Local Zoning Code | R1CD |
| Legal Description | WALLS 2ND ADDN LOTS 19,20 & 21 BLK 223 |
| Legal Subdivision | WALLS 2ND ADD |
| Legal Block | 223 |
| Legal Lot Number | 19 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 365002 |
506 Duboce Ave, commercial vacant land, is owned by a company.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 322 HARBOUR WAY, 27, RICHMOND, CA 94801-3142 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 506 Duboce Ave was $855.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Richmond City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $34,474 (+2%) Land $34,474 | |
| 2025 | $855.00 | $33,799 Land $33,799 |
| 2023 | $835.00 (+0.72%) | $32,488 (+2%) Land $32,488 |
| 2022 | $829.00 | $31,851 Land $31,851 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 506 Duboce Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1997.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 2 (1997–1998) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
The area around 506 Duboce Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 475 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom, Verizon.
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