Contra Costa County property record for 558 Duboce Ave, Richmond, CA 94801
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 490 sqft · built 1922 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,132 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 561-232-001-9 |
| Primary APN | 561-232-001-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 490 sqft Living Area |
| 1st Floor Area | 490 sqft |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1922 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 558 DUBOCE AVE |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94801-1972 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1CD |
| Legal Description | WALLS 2ND ADDN 1&2222 |
| Legal Subdivision | WALLS 2ND ADD |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3041 |
| Census Tract | 365002 |
558 Duboce Ave is held in a trust since May 2024.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 2934 CASHEW CT, FAIRFIELD, CA 94533-1473 |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Last Transfer Date | May 23, 2024 |
| Transfer Doc | 0000051027 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 558 Duboce Ave was $2,132.
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 | $70,698 (+2%) Land $35,349 Building $35,349 | |
| 2025 | $2,132.00 | $69,312 Land $34,656 Building $34,656 |
| 2023 | $2,589.00 (+31.02%) | $66,622 Land $33,311 Building $33,311 |
| 2022 | $1,976.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 558 Duboce Ave in Zone X, an area of minimal flood risk, though there have been 12 flood claims nearby since 1982.
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 |
| 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.
The area around 558 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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