Contra Costa County property record for 1860 William Way, Concord, CA 94520
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,094 sqft · built 1958 |
| Lot Size | 0.13 acres (5,640 sqft) |
| Owner | Individual Name on File |
| Last Sale | $250,000 (Jan 2005) |
| Tax Bill | $4,416 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-083-007-4 |
| Primary APN | 128-083-007-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,094 sqft Living Area |
| 1st Floor Area | 1,094 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Lot Area | 5,640 sqft (0.13 acres) |
| Garage Type | Attached |
| Garage Area | 461 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1860 WILLIAM WAY |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-3951 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | TRACT 2384 342 |
| Legal Subdivision | SUNSHINE ESTATES UNIT #9 |
| Legal Tract | 2384 |
| Legal Lot Number | 342 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 336201 |
1860 William Way is owned and occupied by an individual who acquired it in April 2006.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1860 WILLIAM WAY, CONCORD, CA 94520-3951 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 6, 2005 · Amount on File |
| Deed Sale | Jan 6, 2005 · Amount on File |
| Deed Document Number | 20055650 |
| Last Transfer Date | Apr 1, 2006 |
| Transfer Doc | 0000120325 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1860 William Way was $4,416 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $655,452 (+112.48%) Land $494,190 Building $161,262 | |
| 2025 | $4,416.00 | $308,480 Land $176,830 Building $131,650 |
| 2023 | $4,198.00 (+1.75%) | $296,503 Land $169,964 Building $126,539 |
| 2022 | $4,126.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1860 William Way in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1982.
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 Claims | 1 (1982) |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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.
The area around 1860 William Way has no burnable land within ember reach, so its wildfire risk is not rated.
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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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.
Source: FCC Broadband Data Collection, based on 747 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| 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.
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