Contra Costa County property record for 237 Dartford St, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,149 sqft · built 1985 |
| Lot Size | 0.156 acres (6,776 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $251,000 (Jul 2010) |
| Tax Bill | $5,071 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 406-092-009-9 |
| Primary APN | 406-092-009-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,149 sqft Living Area |
| 1st Floor Area | 1,149 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 6,776 sqft (0.156 acres) |
| Garage Type | Attached |
| Garage Area | 505 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 237 DARTFORD ST |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-3642 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T05275 L0060 B |
| Legal Tract | 05275 |
| Legal Lot Number | 60 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 359203 |
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 | 237 DARTFORD ST, HERCULES, CA 94547-3642 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 1, 2010 · Amount on Record |
| Deed Sale | Jul 1, 2010 · Amount on Record |
| Prior Sale | Aug 28, 2001 · Amount on Record |
| Deed Document Number | 2010131760 |
| Prior Transfer Date | May 9, 2003 |
| Prior Transfer Doc | 0000239308 |
| Record Updated | Oct 29, 2026 |
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 | John Swett Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $327,732 (+2%) Land $156,809 Building $170,923 | |
| 2025 | $5,071.00 (+4.21%) Homeowner's exemption | $321,307 (+4.04%) Land $153,735 Building $167,572 |
| 2023 | $4,866.00 (+0.27%) Homeowner's exemption | $308,832 Land $147,766 Building $161,066 |
| 2022 | $4,853.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 461 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Unwired, Verizon.
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