Contra Costa County property record for 339 Brownstone Rd, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,064 sqft · built 1984 |
| Lot Size | 2.86 acres (125,017 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $337,000 (Sep 2009) |
| Tax Bill | $4,792 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage Dec 2021 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-200-027 |
| Primary APN | 034-200-027 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,064 sqft Living Area |
| Gross Area | 2,526 sqft |
| 1st Floor Area | 2,064 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 125,017 sqft |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Septic |
| Street Address | 339 BROWNSTONE RD |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-3833 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PCL MAP 140 PG 33 PCL A |
| Legal Tract | 140PM33 |
| Legal Lot Number | 100 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 303104 |
339 Brownstone Rd is owned and occupied by two individuals who bought it in September 2009.
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 | 339 BROWNSTONE RD, OAKLEY, CA 94561-3833 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Sep 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT CU |
| Dec 2, 2021 | Deed of Trust, Mortgage PROVIDENT CU |
| Nov 27, 2017 | Deed of Trust, Mortgage · Line of Credit PROVIDENT CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 1, 2009 · Amount on File |
| Deed Sale | Sep 1, 2009 · Amount on File |
| Prior Sale | Oct 29, 2008 · Amount on File |
| Deed Document Number | 2009209736 |
| Prior Transfer Date | Oct 25, 2004 |
| Prior Transfer Doc | 0000424392 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 339 BROWNSTONE RD, OAKLEY, CA 94561-3833 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 339 BROWNSTONE RD, OAKLEY, CA 94561-3833 |
| Document Number | 0000265853 |
|---|---|
| Date | Sep 24, 2021 |
| Instrument | 2021-265853 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 339 BROWNSTONE RD, OAKLEY, CA 94561-3833 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Address | 339 BROWNSTONE RD, OAKLEY, CA 94561-3833 |
| Document Number | 0000328989 |
|---|---|
| Date | Dec 2, 2021 |
| Instrument | 2021-328989 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065 |
| Amount | Amount on Record |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 339 BROWNSTONE RD, OAKLEY, CA 94561-3833 |
| Document Number | 0000231200 |
| Instrument Date | Nov 27, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 3, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 339 BROWNSTONE RD OAKLEY CA 945613833, OAKLEY, CA 94561-3833 |
| Document Number | 0000231200 |
|---|---|
| Date | Dec 11, 2017 |
| Instrument | 231200 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065-1409 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 339 Brownstone Rd was $4,792 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 | $443,688 (+2%) Land $78,989 Building $364,699 | |
| 2025 | $4,792.00 Homeowner's exemption | $434,990 Land $77,441 Building $357,549 |
| 2023 | $4,644.00 (+1%) Homeowner's exemption | $418,101 Land $74,435 Building $343,666 |
| 2022 | $4,598.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 339 Brownstone Rd 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 | 1 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 339 Brownstone Rd 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 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 163 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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