Contra Costa County property record for 520 Sonoma Ave, Rodeo, CA 94572
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,318 sqft · built 1947 |
| Lot Size | 0.124 acres (5,400 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,553 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 357-243-005 |
| Primary APN | 357-243-005 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,318 sqft Living Area |
| 1st Floor Area | 1,318 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 5,400 sqft (0.124 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 520 SONOMA AVE |
|---|---|
| City | RODEO |
| State | CA |
| Zip | 94572-1637 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | RODEO VISTA #3 LOT 259 |
| Legal Subdivision | RODEO VISTA 03 |
| Legal Lot Number | 259 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 520 SONOMA AVE, RODEO, CA 94572-1637 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 24, 1994 |
| Transfer Doc | 0000168515 |
| 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 | $60,645 (+2%) Land $24,714 Building $35,931 | |
| 2025 | $2,553.00 (+9.29%) | $59,457 (+4.04%) Land $24,230 Building $35,227 |
| 2023 | $2,336.00 (+6.38%) | $57,150 Land $23,290 Building $33,860 |
| 2022 | $2,196.00 |
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 | 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
Search by:
By searching, you agree to: Terms • Privacy • Disclosures