Contra Costa County property record for 35 Atherton Ave, Crockett, CA 94525
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 855 sqft · built 1922 |
| Lot Size | 0.053 acres (2,296 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $132,500 (Jan 2010) |
| Tax Bill | $3,570 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 354-213-008-7 |
| Primary APN | 354-213-008-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 855 sqft Living Area |
| 1st Floor Area | 855 sqft |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1940 |
| Lot Area | 2,296 sqft (0.053 acres) |
| Garage Type | Attached |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 35 ATHERTON AVE |
|---|---|
| City | CROCKETT |
| State | CA |
| Zip | 94525-1507 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | TENNEY TERRACE 9 E |
| Legal Subdivision | TENNEY TERRACE |
| Legal Block | E |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 357000 |
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 | 2105 VISTA DEL RIO ST, CROCKETT, CA 94525-1041 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 12, 2010 · Amount on Record |
| Deed Sale | Jan 12, 2010 · Amount on Record |
| Prior Sale | Nov 9, 2009 · Amount on Record |
| Deed Document Number | 20106028 |
| Prior Transfer Date | Mar 30, 2006 |
| Prior Transfer Doc | 0000122974 |
| Record Updated | Sep 20, 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 | $194,844 (+2%) Land $128,099 Building $66,745 | |
| 2025 | $3,570.00 (+9.31%) | $191,025 (+4.04%) Land $125,588 Building $65,437 |
| 2023 | $3,266.00 (+1.43%) | $183,609 Land $120,712 Building $62,897 |
| 2022 | $3,220.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 11 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 6 (1995–2017) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
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 | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect 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 306 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
5G (outdoors only) and 4G LTE
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