Contra Costa County property record for 342 1st Ave S, Pacheco, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,440 sqft · built 1941 |
| Lot Size | 0.35 acres (15,246 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,577 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 125-100-009-5 |
| Primary APN | 125-100-009-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,440 sqft Living Area |
| 1st Floor Area | 992 sqft |
| 2nd Floor Area | 448 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 15,246 sqft (0.35 acres) |
| Garage Type | Attached |
| Garage Area | 306 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 342 1ST AVE S |
|---|---|
| City | PACHECO |
| State | CA |
| Zip | 94553-5552 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | POR RO LAS JUNTAS .35 AC |
| Legal Subdivision | LAS JUNTAS RHO |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 321200 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 138 BEGONIA CT, MARTINEZ, CA 94553-5036 |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 14, 1999 |
| Transfer Doc | 0000182834 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $54,926 (+2%) Land $27,463 Building $27,463 | |
| 2025 | $1,577.00 (+5.56%) | $53,850 (+4.03%) Land $26,925 Building $26,925 |
| 2023 | $1,494.00 (+1.08%) | $51,762 Land $25,881 Building $25,881 |
| 2022 | $1,478.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.8% of the US · lower than 99.8% 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 735 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband.
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