Contra Costa County property record for 100 Dunham Ct, Hercules, CA 94547 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,662 sqft · built 1983 |
| Lot Size | 0.39 acres (17,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $6,280 (2025) |
| Deeds & Mortgages | Sep 2018 Mortgage Dec 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-100-021-9 |
| Primary APN | 404-100-021-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 1,662 sqft Living Area |
| 1st Floor Area | 1,662 sqft |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Cluster |
| Lot Area | 17,000 sqft (0.39 acres) |
| Garage Type | Attached |
| Garage Area | 609 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 100 DUNHAM CT |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-3702 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05338 L0021 B |
| Legal Tract | 05338 |
| Legal Lot Number | 21 |
| 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 404-100-021-9
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 | 8776 E SHEA BLVD, 106, SCOTTSDALE, AZ 85260-6687 |
| Owner Type | Company |
| Vesting | Partnership |
| Date | Document |
|---|---|
| Sep 25, 2018 | Grant Deed, Transfer · Conventional Mortgage AMERICAN INTERNET MORTGAGE INC |
| Dec 24, 2018 | Quit Claim Deed, Transfer OTHER |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Mar 11, 2005 |
| Transfer Doc | 0000094652 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 25, 2018 |
| Property Address | 100 DUNHAM CT, HERCULES, CA 94547-3702 |
| Document Number | 0000152990 |
| Map Reference | MB 11800 PG 967 |
| Instrument Date | Sep 11, 2018 |
| Instrument | 2018-152990 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE RESIDENTI |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 100 DUNHAM CT, HERCULES, CA 94547-3702 |
| Document Number | 0000152991 |
|---|---|
| Date | Sep 25, 2018 |
| Instrument | 2018-152991 |
| Name | AMERICAN INTERNET MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2048 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 24, 2018 |
| Property Address | 100 DUNHAM CT, HERCULES, CA 94547-3702 |
| Document Number | 0000205050 |
| Instrument Date | Sep 11, 2018 |
| Instrument | 205050 |
| Transaction Type | Transfer |
| Record Updated | Jan 09, 2019 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Limited Partnership |
| Address | 100 DUNHAM CT HERCULES CA 945473702, HERCULES, CA 94547-3702 |
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 | $356,943 (+2%) Land $114,828 Building $242,115 | |
| 2025 | $6,280.00 (+6.66%) | $349,945 (+4.04%) Land $112,577 Building $237,368 |
| 2023 | $5,888.00 (+1.22%) | $336,357 Land $108,206 Building $228,151 |
| 2022 | $5,817.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133591051, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| 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, availability as of December 31, 2025 · Published October 2026 · based on 585 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
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