Contra Costa County property record for 100 McAuliffe Ct, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,675 sqft · built 1989 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $399,000 (Mar 2000) |
| Tax Bill | $9,651 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 362-314-004-7 |
| Primary APN | 362-314-004-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,675 sqft Living Area |
| 1st Floor Area | 1,435 sqft |
| 2nd Floor Area | 1,240 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 8,000 sqft (0.184 acres) |
| Garage Type | Attached |
| Garage Area | 630 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 100 MCAULIFFE CT |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-1000 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6774 L36 |
| Legal Tract | 6774 |
| Legal Lot Number | 36 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | BRIONES |
| Census Block Group | 1 |
| Census Block | 1035 |
| Census Tract | 356002 |
Source: Contra Costa County records · APN 362-314-004-7
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 | 100 MCAULIFFE CT, HERCULES, CA 94547-1000 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 31, 2000 · Amount on Record |
| Deed Sale | Mar 31, 2000 · Amount on Record |
| Prior Sale | Jul 01, 1998 · Amount on Record |
| Deed Document Number | 200064973 |
| Last Transfer Date | Nov 14, 2014 |
| Transfer Doc | 0000130637 |
| Record Updated | Sep 20, 2026 |
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 | $625,494 (+2%) Land $137,945 Building $487,549 | |
| 2025 | $9,651.00 (+5.86%) Homeowner's exemption | $613,231 (+4.04%) Land $135,241 Building $477,990 |
| 2023 | $9,117.00 (+1.18%) Homeowner's exemption | $589,421 Land $129,991 Building $459,430 |
| 2022 | $9,011.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133560021, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 1 (2023) |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Wildfire Risk | High above 73% of the US · above 49% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Unwired.
Based on FCC filings for 216 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system CA0110005, 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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