Contra Costa County property record for 3548 Mariner Rd, Oakley, CA 94561
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 2.5 ba · 2,171 sqft · built 2004 |
| Lot Size | 0.026 acres (1,150 sqft) |
| Owner | Company Name on File |
| Tax Bill | $6,450 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 032-363-048-3 |
| Primary APN | 032-363-048-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,171 sqft Living Area |
| 1st Floor Area | 966 sqft |
| 2nd Floor Area | 1,107 sqft |
| Basement Area | 98 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Condo/Apartment |
| Lot Area | 1,150 sqft (0.026 acres) |
| Garage Type | Attached |
| Garage Area | 443 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3548 MARINER RD |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-5012 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | M12 |
| Legal Description | T04990 L000A B U0048 |
| Legal Subdivision | THE WILLOW PARK CONDOMINIUM PROJECT |
| Legal Tract | 04990 |
| Legal Block | U0048 |
| Legal Lot Number | A |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 301000 |
Source: Contra Costa County assessment roll, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3000 SEARS POINT RD, SONOMA, CA 95476-9766 |
| Owner Type | Company |
| Vesting | Estate |
| Deed Names | Verified Name 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 |
| 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 | $441,000 (-) Land $105,738 Building $335,262 | |
| 2025 | $6,450.00 (+6.52%) | $441,000 (+7.96%) Land $105,738 Building $335,262 |
| 2023 | $6,055.00 (+0.05%) | $408,500 Land $97,946 Building $310,554 |
| 2022 | $6,052.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 9.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 49 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 149 units insured incl. 100 condo units |
| Nearby Flood Claims | 2 (2017–2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | WILLOW PARK MARINA serves 380 people · EPA ID CA0707507 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2025 |
| Lead | 1 ppb (2020–2022) action level 15 ppb |
| Water Quality | Arsenic not recorded as resolved · Jan 2026 |
|---|---|
| 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 167 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T Fixed Wireless · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
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