Contra Costa County property record for 317 Atherton Ave, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,349 sqft · built 1975 |
| Lot Size | 0.166 acres (7,208 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $610,000 (May 2025) |
| Tax Bill | $5,277 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 087-314-005-7 |
| Primary APN | 087-314-005-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,349 sqft Living Area |
| Gross Area | 1,786 sqft |
| 1st Floor Area | 1,349 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1976 |
| Exterior Material | Block |
| Construction Type | Frame |
| Lot Area | 7,208 sqft (0.166 acres) |
| Garage Type | Attached |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 317 ATHERTON AVE |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-4823 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1A |
| Legal Description | TRACT 4428 LOT 222 |
| Legal Subdivision | SUBDIVISION 4428 |
| Legal Tract | 4428 |
| Legal Lot Number | 222 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 313206 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 317 ATHERTON AVE, PITTSBURG, CA 94565-4823 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 9, 2025 · Amount on Record |
| Deed Sale | May 9, 2025 · Amount on Record |
| Prior Sale | Jan 24, 2025 · Amount on Record |
| Deed Document Number | 202545949 |
| Prior Transfer Date | Mar 5, 2025 |
| Prior Transfer Doc | 0000021132 |
| 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 | Pittsburg City |
| Unified School District | Pittsburg Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $622,200 (+55.4%) Land $306,000 Building $316,200 | |
| 2025 | $5,277.00 (+4.62%) | $400,397 (+4.04%) Land $208,902 Building $191,495 |
| 2023 | $5,044.00 (-1.47%) | $384,851 Land $200,791 Building $184,060 |
| 2022 | $5,119.00 |
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 | Moderate above 44% of the US · lower than 74% 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 | CITY OF PITTSBURG serves 62,500 people · EPA ID CA0710008 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Apr 2023 |
| 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.
Source: FCC Broadband Data Collection, based on 743 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile, Unwired.
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