Contra Costa County property record for 1657 Deems St, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 936 sqft · built 1956 |
| Lot Size | 0.126 acres (5,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $81,000 (Apr 2009) |
| Tax Bill | $1,884 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 073-247-010-9 |
| Primary APN | 073-247-010-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 936 sqft Living Area |
| 1st Floor Area | 936 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Lot Area | 5,500 sqft (0.126 acres) |
| Garage Type | Attached |
| Garage Area | 277 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 1657 DEEMS ST |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-3922 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 2399 LOT 26 |
| Legal Subdivision | CHESTER MANOR |
| Legal Tract | 2399 |
| Legal Lot Number | 26 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 312000 |
1657 Deems St is owned by two individuals who acquired it in December 2010.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4016 HILLER LN, MARTINEZ, CA 94553-8616 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Apr 30, 2009 · Amount on File |
| Deed Sale | Apr 30, 2009 · Amount on File |
| Prior Sale | Jan 21, 2009 · Amount on File |
| Deed Document Number | 200995937 |
| Last Transfer Date | Dec 28, 2010 |
| Transfer Doc | 0000295485 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1657 Deems St was $1,884.
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 | $106,375 (+2%) Land $45,963 Building $60,412 | |
| 2025 | $1,884.00 | $104,290 Land $45,062 Building $59,228 |
| 2023 | $1,869.00 (-0.8%) | $100,242 Land $43,313 Building $56,929 |
| 2022 | $1,884.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1657 Deems St in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 4 (1982–1987) |
| Most Recent Claim | Jan 1987 · tidal / storm surge |
| Claims by Event |
|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 1657 Deems St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 620 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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