Contra Costa County property record for 304 Ohara Ave, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 815 sqft · built 1906 |
| Lot Size | 0.158 acres (6,885 sqft) |
| Owner | Individual Name on File |
| Last Sale | $156,000 (Jun 2008) |
| Tax Bill | $3,931 (2025) |
| Deeds & Mortgages | Feb 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-133-001-4 |
| Primary APN | 035-133-001-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 815 sqft Living Area |
| 1st Floor Area | 815 sqft |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1926 |
| Lot Area | 6,885 sqft (0.158 acres) |
| Street Address | 304 OHARA AVE |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-5736 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN OF OAKLEY POR LOTS 1 TO 3 BLK 3 EX MR |
| Legal Subdivision | OAKLEY |
| Legal Block | 3 |
| Legal Lot Number | 1-3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 302007 |
304 Ohara Ave is owned and occupied by an individual who bought it in June 2008.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 304 OHARA AVE, OAKLEY, CA 94561-5736 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | Jun 9, 2008 · Amount on File |
| Deed Sale | Jun 9, 2008 · Amount on File |
| Prior Sale | Nov 1, 2007 · Amount on File |
| Deed Document Number | 2008128092 |
| Prior Transfer Date | Mar 10, 2006 |
| Prior Transfer Doc | 0000099495 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 304 OHARA AVE, OAKLEY, CA 94561-5736 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ACCOMMODATION |
| Name | Verified Name |
|---|
| Document Number | 0000021370 |
|---|---|
| Date | Feb 12, 2018 |
| Instrument | 2018-021370 |
| Name | KAIPERM DIABLO FCU |
|---|---|
| Type | Credit Union |
| Address | WALNUT CREEK, CA 94596 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Feb 5, 2033 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
| Adjustable | Adjustable Rate Rider |
| Change Frequency | Monthly |
The 2025 property tax bill for 304 Ohara Ave was $3,931 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 | $275,786 (+2%) Land $133,969 Building $141,817 | |
| 2025 | $3,931.00 Homeowner's exemption | $270,380 Land $131,343 Building $139,037 |
| 2023 | $3,821.00 (+0.76%) Homeowner's exemption | $259,883 Land $126,244 Building $133,639 |
| 2022 | $3,792.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 304 Ohara Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 1 (1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 304 Ohara Ave is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 645 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 |
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