STEWART BUILDERS INC
USDOT 1511513 · Doing business as KEYSTONE CONCRETE
Active, intrastate (non-hazmat) carrier, mid-size fleet (30 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate36.4% vs 19.1% national avg
- Crashes (24 months)3 reported — involvement does not imply fault
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 | 1511513 |
|---|---|
| MC Number | — |
| Legal Name | STEWART BUILDERS INC |
| DBA Name | KEYSTONE CONCRETE |
| Entity Type | — |
| Phone | 7139838002 |
| Address | 23000 NW LAKE DRIVE, Houston, TX, 77095-5344 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| 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.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 11 |
|---|---|
| Out-of-Service Rate | 36.4% vs 19.1% national average |
| Crashes | 3 total (0 fatal, 1 with injuries, 3 towaway) |
- 2025-12-17 — TX — towaway
- 2025-02-10 — TX — 1 injured, towaway
- 2024-09-09 — TX — towaway
- 2024-03-07 — TX — 1 injured, towaway
Most frequent violation categories: 23 (7), 25 (4), 20 (3).
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) | 30 |
|---|---|
| Drivers | 29 |
| Recent Annual Mileage | 241,334 |
| Last MCS-150 Filing | 28-MAR-25 |
STEWART BUILDERS INC operates 30 power units — a larger fleet than 99% of carriers registered in TX.
Nearby
Other carriers in Houston, TX
- NEXTIER COMPLETION SOLUTIONS INC — USDOT 1617384, 2193 power units
- STALLION INFRASTRUCTURE SERVICES LTD — USDOT 1184736, 991 power units
- UNIVERSAL COMPRESSION INC — USDOT 1176309, 900 power units
- 48FORTY SOLUTIONS LLC — USDOT 1200996, 462 power units
- AIR LIQUIDE INDUSTRIAL US LP — USDOT 1266816, 441 power units
Browse all carriers in Houston, TX or all TX carriers.