Contra Costa County property record for 171 William Way, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,334 sqft · built 1966 |
| Lot Size | 0.127 acres (5,544 sqft) |
| Owner | Individual Name on File |
| Last Sale | $124,500 (Jun 2009) |
| Tax Bill | $2,462 (2025) |
| Deeds & Mortgages | May 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 087-235-005-3 |
| Primary APN | 087-235-005-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,334 sqft Living Area |
| 1st Floor Area | 1,334 sqft |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1967 |
| Lot Area | 5,544 sqft (0.127 acres) |
| Garage Type | Attached |
| Garage Area | 453 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 171 WILLIAM WAY |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-4856 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 3489 LOT 14 EX MR |
| Legal Subdivision | SUBDIVISION 3489 |
| Legal Tract | 3489 |
| Legal Lot Number | 14 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 313206 |
171 William Way is owned by an individual who bought it in June 2009.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1960 16TH AVE, SAN FRANCISCO, CA 94116-1236 |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | Jun 11, 2009 · Amount on File |
| Deed Sale | Jun 11, 2009 · Amount on File |
| Prior Sale | Aug 8, 2008 · Amount on File |
| Deed Document Number | 2009135712 |
| Prior Transfer Date | Feb 14, 2002 |
| Prior Transfer Doc | 0000096260 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 171 WILLIAM WAY, PITTSBURG, CA 94565-4856 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | NORTH AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000083068 |
|---|---|
| Date | May 12, 2017 |
| Instrument | 2017-083068 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.12% |
| Type Change Date | Jun 1, 2022 |
| Change Frequency | Annually |
| Min Rate At Change | 3.25% |
| Max Rate At Change | 9.12% |
| Index | 1-Year LIBOR |
| Max Rate | 9.12% |
The 2025 property tax bill for 171 William Way was $2,462.
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 | $157,857 (+2%) Land $52,532 Building $105,325 | |
| 2025 | $2,462.00 | $154,762 Land $51,502 Building $103,260 |
| 2023 | $2,409.00 (-1.07%) | $148,754 Land $49,503 Building $99,251 |
| 2022 | $2,435.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 171 William Way 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 171 William Way 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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