Contra Costa County property record for 4524 Clayton Rd, Concord, CA 94521
| Property Type | Service Station (Full Service) |
|---|---|
| Details | 4,845 sqft · built 1991 |
| Lot Size | 1.03 acres (45,215 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,076,500 (Jul 2010) |
| Tax Bill | $39,956 (2025) |
| Deeds & Mortgages | May 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-160-075-7 |
| Primary APN | 133-160-075-7 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 4,845 sqft Gross Area |
| 1st Floor Area | 4,845 sqft |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Lot Area | 45,215 sqft |
| Street Address | 4524 CLAYTON RD |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2850 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Service Station (Full Service) |
| Legal Description | JOHNSTON TRACT POR LOT 15 |
| Legal Subdivision | JOHNSTON |
| Legal Lot Number | 15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 334007 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 5115 SHERIDAN RD, SUNOL, CA 94586-9402 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 6, 2010 · Amount on File |
| Deed Sale | Jul 6, 2010 · Amount on File |
| Deed Document Number | 2010134051 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4524 CLAYTON RD, CONCORD, CA 94521-2850 |
| Document Number | 0000089989 |
| Instrument Date | May 17, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jun 16, 2017 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 41946 CHRISTY ST FREMONT CA 945383159, FREMONT, CA 94538-3159 |
| Document Number | 0000089989 |
|---|---|
| Date | May 24, 2017 |
| Instrument | 89989 |
| Name | COMMUNITY BK/THE BAY |
|---|---|
| Type | Bank |
| Address | 180 GRAND AVE # 1550, OAKLAND, CA 94612-3703 |
| Amount | Amount on Record |
|---|
| Rate Type | Adjustable Rate |
|---|
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 | $1,999,698 (+2.69%) Land $1,181,732 Building $817,966 | |
| 2025 | $39,956.00 (+10.31%) | $1,947,375 (+4.04%) Land $1,158,561 Building $788,814 |
| 2023 | $36,221.00 (-15.79%) | $1,871,759 Land $1,113,574 Building $758,185 |
| 2022 | $43,011.00 |
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 | 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 502 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
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