Contra Costa County property record for 3816 Armstrong Ct, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,109 sqft · built 1994 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $187,500 (Mar 2000) |
| Tax Bill | $4,809 (2025) |
| Deeds & Mortgages | Nov 2018 Mortgage Mar 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-290-073-5 |
| Primary APN | 034-290-073-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,109 sqft Living Area |
| 1st Floor Area | 1,109 sqft |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 7,000 sqft (0.161 acres) |
| Garage Type | Attached |
| Garage Area | 468 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3816 ARMSTRONG CT |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-4243 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7667 L73 |
| Legal Subdivision | SUBDIVISION 7667 |
| Legal Tract | 7667 |
| Legal Lot Number | 73 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 302007 |
3816 Armstrong Ct is owned and occupied by two individuals who acquired it in January 2008.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3816 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.
| Date | Document |
|---|---|
| Nov 13, 2018 | Deed of Trust, Mortgage · Conventional Mortgage US BANK NA |
| Mar 14, 2022 | Deed of Trust, Mortgage · Conventional Mortgage US BANK NA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 31, 2000 · Amount on File |
| Deed Sale | Mar 31, 2000 · Amount on File |
| Prior Sale | Nov 15, 1993 · Amount on File |
| Deed Document Number | 200065002 |
| Last Transfer Date | Jan 4, 2008 |
| Transfer Doc | 0000006309 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3816 ARMSTRONG CT, OAKLEY, CA 94561-4243 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|
| Document Number | 0000183627 |
|---|---|
| Date | Nov 13, 2018 |
| Instrument | 2018-183627 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2048 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3816 ARMSTRONG CT, OAKLEY, CA 94561-4243 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 3816 ARMSTRONG CT, OAKLEY, CA 94561-4243 |
| Document Number | 0000044879 |
|---|---|
| Date | Mar 14, 2022 |
| Instrument | 2022-044879 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2052 |
The 2025 property tax bill for 3816 Armstrong Ct was $4,809.
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 | $293,917 (+2%) Land $94,832 Building $199,085 | |
| 2025 | $4,809.00 | $288,155 Land $92,973 Building $195,182 |
| 2023 | $4,670.00 (+1.04%) | $276,966 Land $89,363 Building $187,603 |
| 2022 | $4,622.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3816 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 3816 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures