Carrier profile · USDOT 1557491 · Updated Jun 13, 2026

The Guardian Corp

DBA GUARDIAN BASEMENT WATERPROOFING

2 power unitsLocal · 1 statesPIKESVILLE, MD50/100
AUTHORITY STATUS UNKNOWN
Verified linksguardiandry.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
MD busiest

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

Home base
PIKESVILLE, MD
4308 OLD MILFORD MILL RD
Top corridor
MD
MD 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · THE GUARDIAN CORP · trailing 24 months
StateCoverageInspections
MDMarylandHQ1