Contra Costa County property record for 300 Lorenz Dr, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,167 sqft · built 1983 |
| Lot Size | 0.183 acres (7,956 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $7,647 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-473-027-7 |
| Primary APN | 035-473-027-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,167 sqft Living Area |
| 1st Floor Area | 1,167 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1984 |
| Lot Area | 7,956 sqft (0.183 acres) |
| Garage Type | Attached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 300 LORENZ DR |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-2335 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05402 L0059 B EX 1/2 MR |
| Legal Subdivision | SUBDIVISION 5402 |
| Legal Tract | 05402 |
| Legal Lot Number | 59 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 302014 |
300 Lorenz Dr is owned and occupied by an individual who acquired it in May 2025.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 300 LORENZ DR, OAKLEY, CA 94561-2335 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Man |
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 | May 2, 2025 |
| Deed Sale | May 2, 2025 |
| Prior Sale | May 22, 2006 · Amount on File |
| Deed Document Number | 202543187 |
| Prior Transfer Date | Apr 25, 2025 |
| Prior Transfer Doc | 0000043187 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 300 Lorenz Dr was $7,647.
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 | $560,668 (-7.28%) Land $293,013 Building $267,655 | |
| 2025 | $7,647.00 | $604,693 Land $341,638 Building $263,055 |
| 2023 | $7,268.00 (+4.04%) | $567,000 Land $320,000 Building $247,000 |
| 2022 | $6,986.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 300 Lorenz Dr 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.
The area around 300 Lorenz Dr has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 417 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 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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