Contra Costa County property record for 319 1st Ave S, Pacheco, CA 94553
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,659 sqft · built 1955 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,786 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 125-090-069-1 |
| Primary APN | 125-090-069-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,659 sqft Living Area |
| 1st Floor Area | 2,057 sqft |
| 2nd Floor Area | 602 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Duplex Single |
| Lot Area | 8,000 sqft (0.184 acres) |
| Street Address | 319 1ST AVE S |
|---|---|
| City | PACHECO |
| State | CA |
| Zip | 94553-5520 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R7 |
| Legal Description | PCL MAP 111 PG 2 PCL A |
| Legal Tract | 111PM2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 321200 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 1128, CHESTER, CA 96020-1128 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| 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 | $209,775 (+2%) Land $50,626 Building $159,149 | |
| 2025 | $3,786.00 (+2.55%) | $205,663 (+4.04%) Land $49,634 Building $156,029 |
| 2023 | $3,692.00 (-1.1%) | $197,678 Land $47,707 Building $149,971 |
| 2022 | $3,733.00 |
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 99.1% of the US · lower than 99.2% 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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