NORTHSTAR MECHANICAL SERVICES LLC
USDOT 3109301 · Doing business as NORTHSTAR HEATING & COOLING
Active, interstate carrier, small fleet (10 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate100% vs 19.1% national avg
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 | 3109301 |
|---|---|
| MC Number | — |
| Legal Name | NORTHSTAR MECHANICAL SERVICES LLC |
| DBA Name | NORTHSTAR HEATING & COOLING |
| Entity Type | — |
| Phone | 2186289276 |
| Address | 301 S CENTRAL AVE, Duluth, MN, 55807 |
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 | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 92 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 80 / 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 | 1 |
|---|---|
| Out-of-Service Rate | 100% vs 19.1% national average |
Most frequent violation categories: 14 (3), 1 (1), 16 (1).
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) | 10 |
|---|---|
| Drivers | 15 |
| Recent Annual Mileage | 1 |
| Last MCS-150 Filing | 29-JAN-26 |
NORTHSTAR MECHANICAL SERVICES LLC operates 10 power units — a larger fleet than 95% of carriers registered in MN.
Nearby
Other carriers in Duluth, MN
- J&R SUNDBERG CONSTRUCTION INCORPORATED — USDOT 2633624, 26 power units
- COCA COLA BEVERAGES OF DULUTH LLC — USDOT 2899364, 18 power units
- BAYSIDE TAXI LLC — USDOT 2989324, 10 power units
- DULUTH LAWN CARE INC — USDOT 2984652, 8 power units
- S&S OVERSIZE PILOTS LLC — USDOT 3028993, 8 power units
Browse all carriers in Duluth, MN or all MN carriers.