Contra Costa County property record for 346 1st Ave S, Pacheco, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,338 sqft · built 2005 |
| Lot Size | 0.404 acres (17,598 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $435,000 (Feb 2006) |
| Tax Bill | $7,804 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 125-100-037-6 |
| Primary APN | 125-100-037-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,338 sqft Living Area |
| 1st Floor Area | 1,338 sqft |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Lot Area | 17,598 sqft (0.404 acres) |
| Garage Type | Attached |
| Garage Area | 1,260 sqft |
| Parking Spaces | 5 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 346 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 |
| Legal Subdivision | LAS JUNTAS RHO |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 346 1ST AVE S, PACHECO, CA 94553-5552 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 28, 2006 · Amount on Record |
| Deed Sale | Feb 28, 2006 · Amount on Record |
| Deed Document Number | 200662018 |
| Last Transfer Date | Oct 22, 2015 |
| Transfer Doc | 0000233072 |
| Record Updated | Oct 29, 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 | $643,724 (+2%) Land $473,225 Building $170,499 | |
| 2025 | $7,804.00 (+4.23%) Homeowner's exemption | $631,103 (+4.04%) Land $463,947 Building $167,156 |
| 2023 | $7,487.00 (+0.93%) Homeowner's exemption | $606,598 Land $445,932 Building $160,666 |
| 2022 | $7,418.00 |
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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