J WARREN WALKER & SONS INC
USDOT 470563
Active, interstate carrier, small fleet (16 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate21.4% 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 | 470563 |
|---|---|
| MC Number | — |
| Legal Name | J WARREN WALKER & SONS INC |
| DBA Name | — |
| Entity Type | CORPORATION |
| Phone | 4106364423 |
| Address | 6812 FT SMALLWOOD RD, Baltimore, MD, 21226 |
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 | 80 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 82 / 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 | 14 |
|---|---|
| Out-of-Service Rate | 21.4% vs 19.1% national average |
Most frequent violation categories: 20 (6), 28 (3), 16 (2).
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) | 16 |
|---|---|
| Drivers | 8 |
| Recent Annual Mileage | 120,636 |
| Last MCS-150 Filing | 14-JAN-26 |
J WARREN WALKER & SONS INC operates 16 power units — a larger fleet than 98% of carriers registered in MD.
Nearby
Other carriers in Baltimore, MD
- COWAN SYSTEMS LLC — USDOT 548880, 1882 power units
- WILLIAMS SCOTSMAN INC — USDOT 350040, 1426 power units
- BRODY TRANSPORTATION COMPANY INC — USDOT 214998, 953 power units
- METRO TRUCK & TRACTOR LEASING INCORPORATED — USDOT 350975, 840 power units
- COWAN TRANSPORTATION INC — USDOT 155368, 570 power units
Browse all carriers in Baltimore, MD or all MD carriers.