Contra Costa County property record for 2485 High School Ave, Concord, CA 94520
| Property Type | Medical Building |
|---|---|
| Details | 56,552 sqft · built 1978 |
| Lot Size | 1.41 acres (61,500 sqft) |
| Owner | Company Name on File |
| Tax Bill | $105,296 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 112-164-013-8 |
| Primary APN | 112-164-013-8 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 56,552 sqft Gross Area |
| 1st Floor Area | 56,552 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Lot Area | 61,500 sqft |
| Street Address | 2485 HIGH SCHOOL AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-1819 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Legal Description | CONCORD GARDENS #1 LOTS 1 TO 7 BLK 2 |
| Legal Subdivision | CONCORD GARDENS #1 |
| Legal Block | 2 |
| Legal Lot Number | 1-7 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4017 |
| Census Tract | 329000 |
2485 High School Ave, a commercial property, is owned by a company.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 435 LEGACY DR, ALAMO, CA 94507-1728 |
| Owner Type | Company |
| Vesting | Partnership |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 2485 High School Ave was $105,296.
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 | $7,117,768 (+2%) Land $537,646 Building $6,580,122 | |
| 2025 | $105,296.00 | $6,978,204 Land $527,104 Building $6,451,100 |
| 2023 | $99,463.00 (+2.07%) | $6,707,234 Land $506,637 Building $6,200,597 |
| 2022 | $97,443.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2485 High School Ave in Zone X, an area of moderate 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1980–1983) |
| Most Recent Claim | Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes |
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 2485 High School Ave 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 344 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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