Contra Costa County property record for 1508 Willow Pass Ct, Concord, CA 94520
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 10,400 sqft · built 2008 |
| Lot Size | 0.692 acres (30,155 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,000,000 (Jun 2009) |
| Tax Bill | $41,003 (2025) |
| Deeds & Mortgages | Apr 2020 Sale Oct 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 099-210-005-7 |
| Primary APN | 099-210-005-7 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 10,400 sqft Gross Area |
| 1st Floor Area | 10,400 sqft |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 30,155 sqft (0.692 acres) |
| Street Address | 1500 WILLOW PASS CT, 1508 |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-1009 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | P1 |
| Legal Description | T8918 L5 |
| Legal Subdivision | WILLOW PASS BUS PARK 8918 |
| Legal Tract | 8918 |
| Legal Lot Number | 5 |
| 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 · APN 099-210-005-7
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 | 1550 WILLOW PASS CT, CONCORD, CA 94520-1009 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Apr 06, 2020 | Grant Deed, Transfer FIRST AMERICAN TITLE |
| Oct 17, 2017 | Grant Deed, Mortgage KEYBANK USA |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 30, 2009 · Amount on Record |
| Deed Sale | Jun 30, 2009 · Amount on Record |
| Deed Document Number | 2009152623 |
| Prior Transfer Date | May 25, 2007 |
| Prior Transfer Doc | 0000160607 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 06, 2020 |
| Property Address | 1508 WILLOW PASS CT, CONCORD, CA 94520 |
| Document Number | 0000065018 |
| Instrument Date | Apr 01, 2020 |
| Instrument | 65018 |
| Transaction Type | Transfer |
| Record Updated | May 04, 2020 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $5,720.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1500 WILLOW PASS CT CONCORD CA 945201009, CONCORD, CA 94520-1009 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 17, 2017 |
| Property Address | 1508 WILLOW PASS CT, CONCORD, CA 94520 |
| Instrument Date | Oct 17, 2017 |
| Instrument | 190587 |
| Transaction Type | Mortgage |
| Record Updated | Oct 23, 2017 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1500 WILLOW PASS CT CONCORD CA 945201009, CONCORD, CA 94520-1009 |
| Document Number | 0000190587 |
|---|---|
| Date | Oct 17, 2017 |
| Instrument | 190587 |
| Name | KEYBANK USA |
|---|---|
| Type | Bank |
| Address | 11501 OUTLOOK ST # 300, OVERLAND PARK, KS 66211-1807 |
| Amount | Amount Recorded |
|---|
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo 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 | $3,488,153 (+2%) Land $985,134 Building $2,503,019 | |
| 2025 | $41,003.00 (+5.48%) | $3,419,759 (+5.12%) Land $965,818 Building $2,453,941 |
| 2023 | $38,873.00 (+1.89%) | $3,253,167 Land $928,315 Building $2,324,852 |
| 2022 | $38,153.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| 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 are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 9 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Unwired Fixed Wireless | 300 / 25 |
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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