Chasco INC Safety Record
DOT# 937584 · Portsmouth, NH 03801 · 6034362141
Good safety record — scored 20/100. Below-average out-of-service rates and few crashes.
Last inspected 10/31/2025
Safety Score Breakdown · 20/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Chasco INC (DOT# 937584) in Portsmouth, New Hampshire has 17 inspections on record with 31 violations and a 29.4% vehicle out-of-service rate. Safety grade: B.
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Violation Categories · 31 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
Inspection History · 17 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
| Date | State | Veh OOS | Drv OOS |
|---|---|---|---|
| 10/31/2025 | MA | 0 | 0 |
| 10/16/2025 | MA | 0 | 0 |
| 10/16/2025 | NH | 1 | 0 |
| 08/20/2025 | ME | 1 | 0 |
| 08/06/2025 | MA | 0 | 0 |
| 06/25/2025 | NH | 0 | 0 |
| 01/22/2025 | NH | 0 | 0 |
| 10/23/2024 | MA | 0 | 0 |
| 08/26/2024 | ME | 0 | 0 |
| 05/14/2024 | NH | 0 | 0 |
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.