Contra Costa County property record for 528 Sonoma Ave, Rodeo, CA 94572
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,475 sqft · built 1947 |
| Lot Size | 0.13 acres (5,670 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $519,580 (Feb 2025) |
| Tax Bill | $3,743 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 357-243-007-6 |
| Primary APN | 357-243-007-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,475 sqft Living Area |
| 1st Floor Area | 1,475 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Lot Area | 5,670 sqft (0.13 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 528 SONOMA AVE |
|---|---|
| City | RODEO |
| State | CA |
| Zip | 94572-1638 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | RODEO VISTA #3 LOT 257 |
| Legal Subdivision | RODEO VISTA 03 |
| Legal Lot Number | 257 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 358000 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 5720 PREMIER PARK DR, WEST PALM BEACH, FL 33407-1610 |
| Owner Type | Company |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 13, 2025 · Amount on Record |
| Deed Sale | Feb 13, 2025 · Amount on Record |
| Prior Sale | Mar 29, 2007 · Amount on Record |
| Deed Document Number | 202513691 |
| Prior Transfer Date | Feb 11, 2025 |
| Prior Transfer Doc | 0000013691 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | John Swett Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $576,300 (+646.58%) Land $357,000 Building $219,300 | |
| 2025 | $3,743.00 (+52.65%) Homeowner's exemption | $77,192 (+4.04%) Land $24,222 Building $52,970 |
| 2023 | $2,452.00 (-25.43%) Homeowner's exemption | $74,197 Land $23,283 Building $50,914 |
| 2022 | $3,288.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond 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 502 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: Verizon.
5G (outdoors only) and 4G LTE
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