DIABLO TELECOM & CONSTRUCTION INC
USDOT 4215110
Active, interstate carrier, mid-size fleet (20 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate25% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 4215110 |
|---|---|
| MC Number | MC-1628284 |
| Legal Name | DIABLO TELECOM & CONSTRUCTION INC |
| DBA Name | — |
| Entity Type | — |
| Phone | 9253495769 |
| Address | 5075 COMMERCIAL CIR STE F, Concord, CA, 94520 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 80 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 67 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 4 |
|---|---|
| Out-of-Service Rate | 25% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2026-04-23 — CA — towaway
Most frequent violation categories: 51 (11), 14 (3), 28 (2).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 20 |
|---|---|
| Drivers | 25 |
| Recent Annual Mileage | 300,000 |
| Last MCS-150 Filing | 03-FEB-26 |
DIABLO TELECOM & CONSTRUCTION INC operates 20 power units — a larger fleet than 98% of carriers registered in CA.
Nearby
Other carriers in Concord, CA
- ZERO WASTE SOLUTIONS, INC. — USDOT 6554304, 54 power units
- BAYSIDE INSULATION & CONSTRUCTION INC. — USDOT 4740524, 27 power units
- GOT WATTS ELECTRIC INC — USDOT 4247980, 6 power units
- K & B LANDSCAPE SERVICES, INC — USDOT 6907441, 6 power units
- PROFICIENT LOGISTIC LLC — USDOT 4121832, 5 power units
Browse all carriers in Concord, CA or all CA carriers.