Contra Costa County property record for 3804 Armstrong Ct, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,339 sqft · built 1994 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $220,000 (Jan 2001) |
| Tax Bill | $5,205 (2025) |
| Deeds & Mortgages | Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-290-076-8 |
| Primary APN | 034-290-076-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,339 sqft Living Area |
| 1st Floor Area | 1,339 sqft |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 486 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3804 ARMSTRONG CT |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-4243 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7667 L76 |
| Legal Subdivision | SUBDIVISION 7667 |
| Legal Tract | 7667 |
| Legal Lot Number | 76 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 302007 |
3804 Armstrong Ct is owned and occupied by two individuals who bought it in January 2001.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3804 ARMSTRONG CT, OAKLEY, CA 94561-4243 |
| Occupancy | Owner Occupied |
| 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 | Jan 31, 2001 · Amount on File |
| Deed Sale | Jan 31, 2001 · Amount on File |
| Prior Sale | Jun 25, 1997 · Amount on File |
| Deed Document Number | 200123046 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3804 ARMSTRONG CT, OAKLEY, CA 94561-4243 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3804 ARMSTRONG CT, OAKLEY, CA 94561-4243 |
| Document Number | 0000188008 |
|---|---|
| Date | Aug 31, 2020 |
| Instrument | 2020-188008 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Sep 1, 2035 |
The 2025 property tax bill for 3804 Armstrong Ct was $5,205 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Oakley City |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Elementary School District | Oakley Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $338,113 (+2%) Land $122,946 Building $215,167 | |
| 2025 | $5,205.00 Homeowner's exemption | $331,485 Land $120,536 Building $210,949 |
| 2023 | $5,050.00 (+1.06%) Homeowner's exemption | $318,614 Land $115,856 Building $202,758 |
| 2022 | $4,997.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3804 Armstrong Ct in Zone X, an area of minimal flood risk.
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 |
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.
Wildfire risk around 3804 Armstrong Ct 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 97% of the US · lower than 97.8% 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 | DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007 |
|---|---|
| Water Source | Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT |
| Last State Inspection | Jan 2024 |
| Also Mapped Here | CONTRA COSTA WATER DISTRICT |
| Lead | 2 ppb (2020–2022) 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 338 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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