Contra Costa County property record for 148 Dunham Ct, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,272 sqft · built 1984 |
| Lot Size | 0.445 acres (19,380 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $6,037 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-100-015-1 |
| Primary APN | 404-100-015-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,272 sqft Living Area |
| 1st Floor Area | 1,168 sqft |
| 2nd Floor Area | 1,104 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 19,380 sqft (0.445 acres) |
| Garage Type | Attached |
| Garage Area | 609 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 148 DUNHAM CT |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-3702 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05338 L0015 B |
| Legal Subdivision | SUBDIVISION 5338 |
| Legal Tract | 05338 |
| Legal Lot Number | 15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 359105 |
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 | 148 DUNHAM CT, HERCULES, CA 94547-3702 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 148 DUNHAM CT, HERCULES, CA 94547-3702 |
| Document Number | 0000248366 |
| Instrument Date | Oct 19, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Nov 4, 2020 |
| Title Company | ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 148 DUNHAM CT HERCULES CA 945473702, HERCULES, CA 94547-3702 |
| Document Number | 0000248366 |
|---|---|
| Date | Oct 23, 2020 |
| Instrument | 248366 |
| Name | INTELLILOAN INC |
|---|---|
| Address | SANTA ANA, CA 92799 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Oct 22, 2035 |
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 | $339,319 (+2%) Land $66,277 Building $273,042 | |
| 2025 | $6,037.00 (+6.77%) Homeowner's exemption | $332,667 (+4.04%) Land $64,978 Building $267,689 |
| 2023 | $5,654.00 (+1.25%) Homeowner's exemption | $319,751 Land $62,455 Building $257,296 |
| 2022 | $5,584.00 |
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 585 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile.
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