Contra Costa County property record for 163 Agate Way, Hercules, CA 94547
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,922 sqft · built 1989 |
| Lot Size | 0.254 acres (11,070 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $870,000 (Dec 2021) |
| Tax Bill | $12,579 (2025) |
| Deeds & Mortgages | Dec 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 407-093-022-9 |
| Primary APN | 407-093-022-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,922 sqft Living Area |
| 1st Floor Area | 1,186 sqft |
| 2nd Floor Area | 736 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 11,070 sqft (0.254 acres) |
| Garage Type | Attached |
| Garage Area | 743 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 163 AGATE WAY |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-1748 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T06157 L0044 B |
| Legal Subdivision | SUBDIVISION 6157 |
| Legal Tract | 06157 |
| Legal Lot Number | 44 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 359204 |
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 | 163 AGATE WAY, HERCULES, CA 94547-1748 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 6, 2021 · Amount on Record |
| Deed Sale | Dec 6, 2021 · Amount on Record |
| Deed Document Number | 2021331923 |
| Prior Transfer Date | Oct 14, 1993 |
| Prior Transfer Doc | 0000325007 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 6, 2021 |
| Property Address | 163 AGATE WAY, HERCULES, CA 94547-1748 |
| Document Number | 0000331923 |
| Map Reference | MB 278 PG 30 |
| Instrument Date | Dec 2, 2021 |
| Instrument | 2021-331923 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 214 AGATE WAY, HERCULES, CA 94547-1749 |
| Document Number | 0000331924 |
|---|---|
| Date | Dec 6, 2021 |
| Instrument | 2021-331924 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 1, 2051 |
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 | $828,000 (-2.01%) Land $476,000 Building $352,000 | |
| 2025 | $12,579.00 (+7.3%) | $845,000 (+6.83%) Land $490,000 Building $355,000 |
| 2023 | $11,723.00 (-8.54%) | $791,000 Land $455,000 Building $336,000 |
| 2022 | $12,818.00 |
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 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Direct burnable vegetation |
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 244 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Unwired.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures