Contra Costa County property record for 115 Bay St, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,413 sqft · built 1900 |
| Lot Size | 0.134 acres (5,814 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $715,000 (Aug 2024) |
| Tax Bill | $10,951 (2025) |
| Deeds & Mortgages | May 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 404-170-016-4 |
| Primary APN | 404-170-016-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,413 sqft Living Area |
| 1st Floor Area | 841 sqft |
| 2nd Floor Area | 572 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1985 |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 5,814 sqft (0.134 acres) |
| Lot Dimensions | 102 ft deep x 57 ft wide |
| View / Lot | Bayou |
| Garage Type | Detached |
| Garage Area | 299 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 115 BAY ST |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-3718 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | H |
| Legal Description | T06102 L0016 B |
| Legal Subdivision | SUBDIVISION 6102 |
| Legal Tract | 06102 |
| Legal Lot Number | 16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 359105 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Hercules Village listed 1980 · 40 contributing resources · NRIS 80000799 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
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 | 115 BAY ST, HERCULES, CA 94547-3718 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 23, 2024 · Amount on Record |
| Deed Sale | Aug 23, 2024 · Amount on Record |
| Prior Sale | Nov 30, 2005 · Amount on Record |
| Deed Document Number | 202482800 |
| Prior Transfer Date | Apr 28, 2017 |
| Prior Transfer Doc | 0000083993 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 15, 2017 |
| Property Address | 115 BAY ST, HERCULES, CA 94547-3718 |
| Document Number | 0000083993 |
| Instrument Date | Apr 28, 2017 |
| Instrument | 83993 |
| Transaction Type | Transfer |
| Record Updated | May 30, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 2434 ACTON ST BERKELEY CA 947022110, BERKELEY, CA 94702-2110 |
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 | $729,300 (+2%) Land $408,000 Building $321,300 | |
| 2025 | $10,951.00 (+5.58%) | $715,000 (+3.92%) Land $400,000 Building $315,000 |
| 2023 | $10,372.00 (-8.86%) | $688,000 Land $441,736 Building $246,264 |
| 2022 | $11,380.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 | Not rated no burnable land within 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 505 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Sonic Telecom, Unwired.
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