Contra Costa County property record for 50 Atherton Ave, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,131 sqft · built 1947 |
| Lot Size | 0.132 acres (5,750 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $505,000 (Jun 2024) |
| Tax Bill | $6,592 (2025) |
| Deeds & Mortgages | May 2026 Sale Feb 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 087-063-013-4 |
| Primary APN | 087-063-013-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,131 sqft Living Area |
| 1st Floor Area | 1,131 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1977 |
| Exterior Material | Block |
| Construction Type | Frame |
| Lot Area | 5,750 sqft (0.132 acres) |
| Garage Type | Carport |
| Garage Area | 180 sqft |
| Carport | Carport |
| Carport Area | 180 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 50 ATHERTON AVE |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-4819 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | GARDEN HEIGHTS LOT 55 |
| Legal Subdivision | GARDEN HEIGHTS |
| Legal Lot Number | 55 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 313206 |
50 Atherton Ave is owned by a company that bought it in June 2024.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 50 ATHERTON AVE, PITTSBURG, CA 94565-4819 |
| Owner Type | Company |
| Vesting | Life Tenant |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 8, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Feb 28, 2017 | Grant Deed, Transfer · FHA Mortgage ESSEX MORTGAGE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 7, 2024 · Amount on File |
| Deed Sale | Jun 7, 2024 · Amount on File |
| Prior Sale | Feb 28, 2017 · Amount on File |
| Deed Document Number | 202454160 |
| Prior Transfer Date | May 17, 2016 |
| Prior Transfer Doc | 0000097298 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 8, 2026 |
| Property Address | 50 ATHERTON AVE, PITTSBURG, CA 94565-4819 |
| Document Number | 0000048452 |
| Instrument Date | Apr 20, 2026 |
| Instrument | 202648452 |
| Transaction Type | Transfer |
| Record Updated | Aug 28, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Life Tenant |
| Address | 50 ATHERTON AVE, PITTSBURG, CA 94565-4819 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 28, 2017 |
| Property Address | 50 ATHERTON AVE, PITTSBURG, CA 94565-4819 |
| Document Number | 0000035670 |
| Map Reference | MAP33 PG6 |
| Instrument Date | Feb 16, 2017 |
| Instrument | 2017-035670 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 50 ATHERTON AVE, PITTSBURG, CA 94565-4819 |
| Document Number | 0000035671 |
|---|---|
| Date | Feb 28, 2017 |
| Instrument | 2017-035671 |
| Name | ESSEX MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2047 |
| Document Number | 0000035673 |
|---|---|
| Date | Feb 28, 2017 |
| Instrument | 2017-035673 |
| Name | DATA MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | ORANGE, CA 92868 |
| Type | Negative Amortization |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 50 Atherton Ave was $6,592.
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 | $535,551 (+3.97%) Land $309,060 Building $226,491 | |
| 2025 | $6,592.00 | $515,100 Land $306,000 Building $209,100 |
| 2023 | $4,796.00 (-1.44%) | $362,540 Land $223,101 Building $139,439 |
| 2022 | $4,866.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 50 Atherton Ave in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 50 Atherton Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 | 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 608 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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