Contra Costa County property record for 1021 Rock Harbor Pt, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 3,819 sqft · built 2003 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $565,000 (Oct 2012) |
| Tax Bill | $11,321 (2025) |
| Deeds & Mortgages | Jun 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-570-049-1 |
| Primary APN | 404-570-049-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,819 sqft Living Area |
| 1st Floor Area | 1,681 sqft |
| 2nd Floor Area | 2,138 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 652 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 1021 ROCK HARBOR PT |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-2620 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8593 L130 |
| Legal Subdivision | SUBDIVISION 8593 |
| Legal Tract | 8593 |
| Legal Lot Number | 130 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 392300 |
Source: Contra Costa County records, 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1021 ROCK HARBOR PT, HERCULES, CA 94547-2620 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 25, 2012 · Amount on Record |
| Deed Sale | Oct 25, 2012 · Amount on Record |
| Prior Sale | Jul 27, 2006 · Amount on Record |
| Deed Document Number | 2012269514 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1021 ROCK HARBOR PT, HERCULES, CA 94547-2620 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | SOLIDIFI US INC |
| Name | Verified Name |
|---|
| Document Number | 0000092133 |
|---|---|
| Date | Jun 11, 2018 |
| Instrument | 2018-092133 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | May 17, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $709,660 (+2%) Land $150,720 Building $558,940 | |
| 2025 | $11,321.00 (+6.11%) Homeowner's exemption | $695,746 (+4.04%) Land $147,765 Building $547,981 |
| 2023 | $10,669.00 (+1.41%) Homeowner's exemption | $668,731 Land $142,028 Building $526,703 |
| 2022 | $10,521.00 |
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 | 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% 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 349 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures