Harbor Sign LLC Safety Record
DOT# 4039705 · Portsmouth, NH 03801 · 6033730995
Excellent safety record — scored 0/100 (lower is better). This carrier has one of the best inspection records on file.
Last inspected 10/16/2025
Safety Score Breakdown · 0/100 points
Lower scores are better. How is this calculated?
According to FMCSA records, Harbor Sign LLC (DOT# 4039705) in Portsmouth, New Hampshire has 2 inspections on record and a 0.0% vehicle out-of-service rate. Safety grade: A (excellent safety record).
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.
Inspection History · 2 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 |
|---|---|---|---|
| 10/16/2025 | NH | 0 | 0 |
| 08/19/2024 | MA | 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.