Contra Costa County property record for 136 Nautical Cv, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 3,373 sqft · built 2003 |
| Lot Size | 0.155 acres (6,743 sqft) |
| Owner | Company Name on File |
| Last Sale | $565,000 (Aug 2011) |
| Tax Bill | $11,554 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-540-031-6 |
| Primary APN | 404-540-031-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,373 sqft Living Area |
| 1st Floor Area | 1,783 sqft |
| 2nd Floor Area | 1,590 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster |
| Lot Area | 6,743 sqft (0.155 acres) |
| Garage Type | Attached |
| Garage Area | 450 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 136 NAUTICAL CV |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-2635 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8596 L31 |
| Legal Tract | 8596 |
| Legal Lot Number | 31 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 392300 |
136 Nautical Cv is owned by a company that bought it in August 2011.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1262 PROMENADE ST, HERCULES, CA 94547-2713 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 30, 2011 · Amount on File |
| Deed Sale | Aug 30, 2011 · Amount on File |
| Prior Sale | Oct 10, 2003 · Amount on File |
| Deed Document Number | 2011176597 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 136 Nautical Cv was $11,554.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Hercules City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $723,596 (+2%) Land $149,891 Building $573,705 | |
| 2025 | $11,554.00 | $709,408 Land $146,952 Building $562,456 |
| 2023 | $10,895.00 (+1.39%) | $681,863 Land $141,247 Building $540,616 |
| 2022 | $10,746.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 136 Nautical Cv 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 | 1 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.
Wildfire risk around 136 Nautical Cv is low, with less than 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 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| 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, 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.
Source: FCC Broadband Data Collection, based on 613 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Unwired, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures