Contra Costa County property record for 2843 21st St, San Pablo, CA 94806
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 726 sqft · built 1943 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $2,751 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 413-300-023-4 |
| Primary APN | 413-300-023-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 726 sqft Living Area |
| 1st Floor Area | 726 sqft |
| Year Built | Built 1943 |
|---|---|
| Effective Year Built | Effective 1946 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 890 sqft |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 2843 21ST ST |
|---|---|
| City | SAN PABLO |
| State | CA |
| Zip | 94806-2433 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1B37 |
| Legal Description | RIVERS ANDRADE LOTS 15 & 16 BLK 34 |
| Legal Subdivision | RIVERS ANDRADE |
| Legal Block | 34 |
| Legal Lot Number | 15,16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 366001 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 1724 BRENTZ LN, SAN PABLO, CA 94806-4100 |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name 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 |
| Municipality | San Pablo City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $120,402 (+2%) Land $46,462 Building $73,940 | |
| 2025 | $2,751.00 (+4.88%) | $118,042 (+4.04%) Land $45,551 Building $72,491 |
| 2023 | $2,623.00 (+2.1%) | $113,460 Land $43,783 Building $69,677 |
| 2022 | $2,569.00 |
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1982–1986) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 1986 · river or lake 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.
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 835 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 · Fixed Wireless, 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: GeoLinks, T-Mobile.
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