Contra Costa County property record for 121 Olive Ct, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,439 sqft · built 1975 |
| Lot Size | 0.163 acres (7,080 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $312,000 (Sep 2001) |
| Tax Bill | $7,961 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 406-461-011-8 |
| Primary APN | 406-461-011-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,439 sqft Living Area |
| 1st Floor Area | 1,439 sqft |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1976 |
| Lot Area | 7,080 sqft (0.163 acres) |
| Garage Type | Attached |
| Garage Area | 431 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 121 OLIVE CT |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-1315 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T04746 L0011 B |
| Legal Tract | 04746 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 359203 |
Source: Contra Costa County records · APN 406-461-011-8
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 121 OLIVE CT, HERCULES, CA 94547-1315 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 07, 2001 · Amount on Record |
| Deed Sale | Sep 07, 2001 · Amount on Record |
| Prior Sale | Nov 04, 1999 · Amount on Record |
| Deed Document Number | 2001269005 |
| Last Transfer Date | May 06, 2003 |
| Transfer Doc | 0000215284 |
| 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 | Hercules City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $500,545 (+2%) Land $215,468 Building $285,077 | |
| 2025 | $7,961.00 (+6.17%) Homeowner's exemption | $490,732 (+4.04%) Land $211,244 Building $279,488 |
| 2023 | $7,498.00 (+1.16%) Homeowner's exemption | $471,678 Land $203,042 Building $268,636 |
| 2022 | $7,412.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133592033, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 373 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Unwired.
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.
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