Contra Costa County property record for 4110 Clayton Rd, Concord, CA 94521
| Property Type | Commercial Office |
|---|---|
| Details | 9 ba · 4,560 sqft · built 1965 |
| Lot Size | 0.344 acres (14,984 sqft) |
| Owner | Company Name on File |
| Last Sale | $304,500 (Sep 2010) |
| Tax Bill | $1,456 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 132-114-014-5 |
| Primary APN | 132-114-014-5 |
|---|---|
| Alternative APN |
|
| Full Baths | 9 Baths |
|---|---|
| Half Baths | 6 Half Baths |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 4,560 sqft Gross Area |
| 1st Floor Area | 4,560 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1969 |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 14,984 sqft (0.344 acres) |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Floor/Wall Furnace |
| Street Address | 4100 CLAYTON RD, 4110 |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2619 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | ROSAL PARK POR LOT 56 |
| Legal Subdivision | ROSAL PARK |
| Legal Lot Number | 56 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 334001 |
4110 Clayton Rd is owned by a company that bought it in September 2010.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 21453, CONCORD, CA 94521-0453 |
| Owner Type | Company |
| Vesting | Company |
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 | Sep 7, 2010 · Amount on File |
| Deed Sale | Sep 7, 2010 · Amount on File |
| Prior Sale | Apr 27, 2009 · Amount on File |
| Deed Document Number | 2010188131 |
| Prior Transfer Date | Jun 6, 2003 |
| Prior Transfer Doc | 0000406002 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4110 Clayton Rd was $1,456 with an additional 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 | $467,168 (+2%) Land $196,013 Building $271,155 | |
| 2025 | $1,456.00 Additional exemption filed | $458,009 Land $192,170 Building $265,839 |
| 2023 | $1,122.00 (+3.99%) Additional exemption filed | $440,225 Land $184,708 Building $255,517 |
| 2022 | $1,079.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4110 Clayton Rd in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1980.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 3 (1980–2005) |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
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.
Wildfire risk around 4110 Clayton Rd is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | 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 575 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 · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Sonic Telecom, Verizon.
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