Contra Costa County property record for 329 1st Ave S, Pacheco, CA 94553
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,211 sqft · built 1940 |
| Lot Size | 0.25 acres (10,890 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $760,000 (Nov 2021) |
| Tax Bill | $9,882 (2025) |
| Deeds & Mortgages | Nov 2021 Sale & Mortgage Sep 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 125-090-003 |
| Primary APN | 125-090-003 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,211 sqft Living Area |
| 1st Floor Area | 1,211 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 10,890 sqft (0.25 acres) |
| Lot Dimensions | 185 ft deep x 50 ft wide |
| Garage Type | Detached |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 329 1ST AVE S |
|---|---|
| City | PACHECO |
| State | CA |
| Zip | 94553-5520 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | RO LAS JUNTAS POR LOT 13 .25 AC |
| Legal Subdivision | RANCHO LAS JUNTAS |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 321200 |
329 1st Ave S is owned and occupied by two individuals who bought it in November 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 329 1ST AVE S, PACHECO, CA 94553-5520 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 10, 2021 | Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC |
| Sep 1, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 10, 2021 · Amount on File |
| Deed Sale | Nov 10, 2021 · Amount on File |
| Prior Sale | Mar 2, 2001 · Amount on File |
| Deed Document Number | 2021313084 |
| Prior Transfer Date | Aug 9, 2017 |
| Prior Transfer Doc | 0000160334 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 10, 2021 |
| Property Address | 329 1ST AVE S, PACHECO, CA 94553-5520 |
| Document Number | 0000313084 |
| Instrument Date | Nov 9, 2021 |
| Instrument | 2021-313084 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 329 1ST AVE S, PACHECO, CA 94553-5520 |
| Document Number | 0000313085 |
|---|---|
| Date | Nov 10, 2021 |
| Instrument | 2021-313085 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 1, 2017 |
| Property Address | 329 1ST AVE S, PACHECO, CA 94553-5520 |
| Document Number | 0000160334 |
| Instrument Date | Aug 9, 2017 |
| Instrument | 160334 |
| Transaction Type | Transfer |
| Record Updated | Sep 5, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 329 1ST AVE S PACHECO CA 945535520, PACHECO, CA 94553-5520 |
The 2025 property tax bill for 329 1st Ave S was $9,882.
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 | $822,647 (+2%) Land $497,918 Building $324,729 | |
| 2025 | $9,882.00 | $806,517 Land $488,155 Building $318,362 |
| 2023 | $9,495.00 (+0.9%) | $775,200 Land $469,200 Building $306,000 |
| 2022 | $9,410.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 329 1st Ave S in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 329 1st Ave S 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 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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