Contra Costa County property record for 527 4th St, Oakley, CA 94561 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,052 sqft · built 1940 |
| Lot Size | 0.205 acres (8,910 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,506 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-300-003-7 |
| Primary APN | 035-300-003-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,052 sqft Living Area |
| 1st Floor Area | 1,052 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1947 |
| Lot Area | 8,910 sqft (0.205 acres) |
| Street Address | 527 4TH ST |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-2175 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3678 LOT 3 EX MR |
| Legal Tract | 3678 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2021 |
| Census Tract | 302007 |
Source: Contra Costa County records · APN 035-300-003-7
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 954, OAKLEY, CA 94561-0954 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Mar 11, 2008 |
| Transfer Doc | 0000091757 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $48,572 (+2%) Land $17,809 Building $30,763 | |
| 2025 | $1,506.00 (+2.31%) Homeowner's exemption | $47,620 (+4.04%) Land $17,460 Building $30,160 |
| 2023 | $1,472.00 (+0.41%) Homeowner's exemption | $45,773 Land $16,783 Building $28,990 |
| 2022 | $1,466.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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