Contra Costa County property record for 139 Dunham Ct, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,742 sqft · built 1984 |
| Lot Size | 0.176 acres (7,665 sqft) |
| Owner | Company Name on File |
| Last Sale | $345,000 (Apr 2009) |
| Tax Bill | $7,408 (2025) |
| Deeds & Mortgages | Nov 2023 Transfer Nov 2023 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-100-010-2 |
| Primary APN | 404-100-010-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,742 sqft Living Area |
| 1st Floor Area | 1,742 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Cluster |
| Lot Area | 7,665 sqft (0.176 acres) |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 139 DUNHAM CT |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-3704 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T05338 L0010 B |
| Legal Subdivision | SUBDIVISION 5338 |
| Legal Tract | 05338 |
| Legal Lot Number | 10 |
| 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 · APN 404-100-010-2
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 | Company Name on File |
|---|---|
| Mailing Address | 139 DUNHAM CT, HERCULES, CA 94547-3704 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Nov 08, 2023 | Intrafamily Transfer, Transfer |
| Nov 08, 2023 | Affidavit of Death of Joint Tenant, Transfer |
| May 05, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 30, 2009 · Amount on Record |
| Deed Sale | Apr 30, 2009 · Amount on Record |
| Prior Sale | Dec 12, 2008 · Amount on Record |
| Deed Document Number | 200995309 |
| Last Transfer Date | Nov 02, 2023 |
| Transfer Doc | 0000120619 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 08, 2023 |
| Property Address | 139 DUNHAM CT, HERCULES, CA 94547-3704 |
| Document Number | 0000120621 |
| Map Reference | MB 271 PG 36 |
| Instrument Date | Nov 03, 2023 |
| Instrument | 2023-120621 |
| Transaction Type | Transfer |
| Record Updated | Nov 21, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 139 DUNHAM CT, HERCULES, CA 94547-3704 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 08, 2023 |
| Property Address | 139 DUNHAM CT, HERCULES, CA 94547-3704 |
| Document Number | 0000120619 |
| Map Reference | MB 271 PG 36 |
| Instrument Date | Nov 03, 2023 |
| Instrument | 2023-120619 |
| Transaction Type | Transfer |
| Record Updated | Nov 21, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 139 DUNHAM CT, HERCULES, CA 94547-3704 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 139 DUNHAM CT, HERCULES, CA 94547-3704 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Name | Verified Name |
|---|---|
| Address | 139 DUNHAM CT, HERCULES, CA 94547-3704 |
| Document Number | 0000135065 |
|---|---|
| Date | May 05, 2021 |
| Instrument | 2021-135065 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 01, 2051 |
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 | $453,144 (+2%) Land $216,721 Building $236,423 | |
| 2025 | $7,408.00 (+6.36%) Homeowner's exemption | $444,260 (+4.04%) Land $212,472 Building $231,788 |
| 2023 | $6,965.00 (+1.22%) Homeowner's exemption | $427,011 Land $204,222 Building $222,789 |
| 2022 | $6,881.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · 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 | 0.01% 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 as of December 31, 2025 · Last verified October 2026
| 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 USA.
Based on FCC filings for 585 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of 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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