Contra Costa County property record for 89 Atherton Ave, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,044 sqft · built 1947 |
| Lot Size | 0.158 acres (6,900 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $433,000 (Mar 2021) |
| Tax Bill | $6,058 (2025) |
| Deeds & Mortgages | Mar 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 087-062-036-6 |
| Primary APN | 087-062-036-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,044 sqft Living Area |
| 1st Floor Area | 1,044 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1962 |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 6,900 sqft (0.158 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 89 ATHERTON AVE |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-4818 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | GARDEN HEIGHTS LOT 74 |
| Legal Subdivision | GARDEN HEIGHTS |
| Legal Lot Number | 74 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 313206 |
89 Atherton Ave is owned and occupied by two individuals who bought it in March 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 89 ATHERTON AVE, PITTSBURG, CA 94565-4818 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 31, 2021 · Amount on File |
| Deed Sale | Mar 31, 2021 · Amount on File |
| Prior Sale | Apr 21, 2015 · Amount on File |
| Deed Document Number | 202197716 |
| Prior Transfer Date | Dec 9, 1993 |
| Prior Transfer Doc | 0000071232 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 31, 2021 |
| Property Address | 89 ATHERTON AVE, PITTSBURG, CA 94565-4818 |
| Document Number | 0000097716 |
| Map Reference | MB 33 PG 6 |
| Instrument Date | Mar 30, 2021 |
| Instrument | 2021-097716 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | STEWART TITLE, STEWART TITLE OF CA INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment 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 | 89 ATHERTON AVE, PITTSBURG, CA 94565-4818 |
| Document Number | 0000097717 |
|---|---|
| Date | Mar 31, 2021 |
| Instrument | 2021-097717 |
| Name | PREMIER LENDING INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
The 2025 property tax bill for 89 Atherton Ave was $6,058.
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 | $477,733 (+2%) Land $331,223 Building $146,510 | |
| 2025 | $6,058.00 | $468,367 Land $324,729 Building $143,638 |
| 2023 | $5,774.00 (-1.53%) | $450,181 Land $312,120 Building $138,061 |
| 2022 | $5,864.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 89 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 89 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 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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