Carrier profile · USDOT 3495821 · Updated Jun 13, 2026

CAPSTONE MECHANICAL LLC

4 power unitsLocal · 1 statesPORTSMOUTH, NH50/100
AUTHORITY STATUS UNKNOWN
Verified linkscstonemechanical.comFMCSA SAFER

Operations & Lanes

Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal
revealed
States observed1
US states
Inspections · 24 mo1
NY busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
PORTSMOUTH, NH
755 BANFIELD RD SUITE 102
Top corridor
NY ⇄ NH
NY 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · CAPSTONE MECHANICAL LLC · trailing 24 months
StateCoverageInspections
NYNew York1