Contra Costa County property record for 5099 Commercial Cir, Concord, CA 94520
| Property Type | Commercial Office |
|---|---|
| Details | 35,704 sqft · built 2000 |
| Lot Size | 2.64 acres (115,172 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $64,469 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 159-471-010-3 |
| Primary APN | 159-471-010-3 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 35,704 sqft Gross Area |
| 1st Floor Area | 35,704 sqft |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2001 |
| Lot Area | 115,172 sqft |
| Street Address | 5099 COMMERCIAL CIR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-1291 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | T6777 POR LOT 9 & TR ADJ |
| Legal Tract | 6777 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1036 |
| 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 | 5141 COMMERCIAL CIR, CONCORD, CA 94520-8523 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
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 | $5,777,000 (+2.5%) Land $1,165,300 Building $4,611,700 | |
| 2025 | $64,469.00 (-8.04%) | $5,636,000 (-8.12%) Land $1,136,800 Building $4,499,200 |
| 2023 | $70,105.00 (+0.8%) | $6,133,854 Land $1,237,290 Building $4,896,564 |
| 2022 | $69,549.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 10 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 1 (1993) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1993 · Severe Winter Storm, Mud & Land Slides, & Flooding |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect 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 90 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| 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 · Fixed Wireless in parts of the area | 100 / 20 |
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