Contra Costa County property record for 4971 Grapevine Ln, Oakley, CA 94561
| Property Type | Recreational Vacant Land |
|---|---|
| Lot Size | 0.141 acres (6,149 sqft) |
| Owner | Company on Record |
| Tax Bill | $2,107 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-560-040-7 |
| Primary APN | 034-560-040-7 |
|---|---|
| Alternative APN |
|
| Lot Area | 6,149 sqft (0.141 acres) |
|---|
| Street Address | 4971 GRAPEVINE LN |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561 |
| Property Category | Public Works |
| Property Type | Public Works > Recreational Vacant Land |
| Legal Description | T8760 L79 |
| Legal Subdivision | STONEWOOD SUB 8760 |
| Legal Tract | 8760 |
| Legal Lot Number | 79 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 302007 |
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 on Record |
|---|---|
| Mailing Address | 4021 PORT CHICAGO HWY, CONCORD, CA 94520-1122 |
| Owner Type | Company |
| Deed Names | 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 |
| 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 | $136,981 (+29.12%) Land $136,981 | |
| 2025 | $2,107.00 (+4.62%) | $106,090 (+5.14%) Land $106,090 |
| 2023 | $2,014.00 (+3.49%) | $100,900 Land $100,900 |
| 2022 | $1,946.00 |
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 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.04% 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 338 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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