Contra Costa County property record for 6331 Waldo Ave, El Cerrito, CA 94530
| Property Type | Medical Building |
|---|---|
| Details | 1,478 sqft · built 1939 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $9,791 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 503-233-010-1 |
| Primary APN | 503-233-010-1 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,478 sqft Gross Area |
| 1st Floor Area | 1,478 sqft |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1970 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 6331 WALDO AVE |
|---|---|
| City | EL CERRITO |
| State | CA |
| Zip | 94530 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Legal Description | BLVD GARDENS #1 POR LOT 7 BLK 40 |
| Legal Subdivision | BOULEVARD GARDENS |
| Legal Block | 40 |
| Legal Lot Number | 7 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 388000 |
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 | 450 E STRAWBERRY DR, 51, MILL VALLEY, CA 94941-3220 |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Aug 17, 2006 |
| Transfer Doc | 0000265365 |
| 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 | El Cerrito City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $582,912 (+2%) Land $142,165 Building $440,747 | |
| 2025 | $9,791.00 (+12.7%) | $571,483 (+4.04%) Land $139,378 Building $432,105 |
| 2023 | $8,688.00 (-0.88%) | $549,294 Land $133,967 Building $415,327 |
| 2022 | $8,765.00 |
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
| 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 916 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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