Contra Costa County property record for 1100 Willow Pass Ct, Concord, CA 94520
| Property Type | Condominium |
|---|---|
| Details | 6,047 sqft · built 2007 |
| Lot Size | 0.086 acres (3,755 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,542,000 (Aug 2008) |
| Tax Bill | $20,227 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 099-220-001-4 |
| Primary APN | 099-220-001-4 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 6,047 sqft Living Area |
| 1st Floor Area | 6,047 sqft |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2008 |
| Architectural Style | Condo/Apartment |
| Lot Area | 3,755 sqft (0.086 acres) |
| Street Address | 1100 WILLOW PASS CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-1006 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | P1 |
| Legal Description | TR 8918 POR LT 1 |
| Legal Subdivision | HILLSIDE BUSINESS CENTER |
| Legal Tract | 8918 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 315000 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 1100 WILLOW PASS CT, CONCORD, CA 94520-1006 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 26, 2008 · Amount on Record |
| Deed Sale | Aug 26, 2008 · Amount on Record |
| Deed Document Number | 2008189842 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,721,000 (-) Land $390,700 Building $1,330,300 | |
| 2025 | $20,227.00 (+2.1%) | $1,721,000 (+1.77%) Land $390,700 Building $1,330,300 |
| 2023 | $19,811.00 (+0.71%) | $1,691,000 Land $383,900 Building $1,307,100 |
| 2022 | $19,672.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 9 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Unwired Fixed Wireless | 300 / 25 |
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