Contra Costa County property record for 331 21st St, Richmond, CA 94801
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,307 sqft · built 1911 |
| Lot Size | 0.065 acres (2,825 sqft) |
| Owner | Company Name on Record |
| Last Sale | $112,500 (Jan 2012) |
| Tax Bill | $4,573 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 514-070-006-2 |
| Primary APN | 514-070-006-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 2,307 sqft Living Area |
| 1st Floor Area | 1,110 sqft |
| 2nd Floor Area | 1,197 sqft |
| Year Built | Built 1911 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Duplex Single |
| Lot Area | 2,825 sqft (0.065 acres) |
| Street Address | 331 21ST ST, 333 |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94801-3354 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R3 |
| Legal Description | CITY OF RICHMOND LOT 16 BLK 102 |
| Legal Subdivision | RICHMOND |
| Legal Block | 102 |
| Legal Lot Number | 16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 375000 |
Source: Contra Costa County records, 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 | Company Name on Record |
|---|---|
| Mailing Address | 5735 MCBRYDE AVE, RICHMOND, CA 94805-1148 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 12, 2012 · Amount on Record |
| Deed Sale | Jan 12, 2012 · Amount on Record |
| Prior Sale | Oct 21, 2011 · Amount on Record |
| Deed Document Number | 20128137 |
| Prior Transfer Date | Nov 19, 2004 |
| Prior Transfer Doc | 0000469530 |
| Record Updated | Sep 20, 2026 |
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 | $144,120 (+2%) Land $44,835 Building $99,285 | |
| 2025 | $4,573.00 (+4.81%) | $141,295 (+4.04%) Land $43,956 Building $97,339 |
| 2023 | $4,363.00 (+3.29%) | $135,810 (+2%) Land $42,250 Building $93,560 |
| 2022 | $4,224.00 | $133,148 Land $41,422 Building $91,726 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 758 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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