Contra Costa County property record for 917 Putnam St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,839 sqft · built 1975 |
| Lot Size | 0.142 acres (6,175 sqft) |
| Owner | Individual Name on File |
| Last Sale | $170,000 (Feb 2009) |
| Tax Bill | $3,023 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 071-322-008-5 |
| Primary APN | 071-322-008-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,839 sqft Living Area |
| Gross Area | 2,309 sqft |
| 1st Floor Area | 909 sqft |
| 2nd Floor Area | 930 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 6,175 sqft (0.142 acres) |
| Garage Type | Attached |
| Garage Area | 470 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 917 PUTNAM ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4729 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4282 LOT 36 EX MR |
| Legal Subdivision | MAP LONE TREE HEIGHTS UNIT #1 |
| Legal Tract | 4282 |
| Legal Lot Number | 36 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 307101 |
917 Putnam St is owned and occupied by an individual who bought it in February 2009.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 917 PUTNAM ST, ANTIOCH, CA 94509-4729 |
| Occupancy | Owner Occupied |
| 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 | Feb 26, 2009 · Amount on File |
| Deed Sale | Feb 26, 2009 · Amount on File |
| Prior Sale | Sep 24, 2008 · Amount on File |
| Deed Document Number | 200940441 |
| Prior Transfer Date | Jun 25, 1997 |
| Prior Transfer Doc | 0000150426 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 917 Putnam St was $3,023.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $223,278 (+2%) Land $59,097 Building $164,181 | |
| 2025 | $3,023.00 | $218,901 Land $57,939 Building $160,962 |
| 2023 | $2,856.00 (+1.42%) | $210,402 Land $55,690 Building $154,712 |
| 2022 | $2,816.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 917 Putnam St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 917 Putnam St is low, with less than 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 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| 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 561 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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