MOUNTAIN MATERIALS INC
AUTHORIZEDUSDOT
1634570
MC Number
604904
Fleet Size
18
Total Drivers
18
FMCSA-derived snapshot updated: July 26, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
MOUNTAIN MATERIALS INC is a small intrastate only (non-hazmat) motor carrier based in ALPINE, California, operating 18 power units with 18 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. No crashes on file.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Company details
- Entity Type
- N/A
- Carrier Operation
- Intrastate Only (Non-Hazmat)
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
0
Total
—
Driver %
Insurance on file
Liability (BIPD)
WILLIAMSBURG NATIONAL INS CO. — eff. Dec 22, 2025
Cargo
Not on file
Surety Bond
AMERICAN CONTRACTORS INDEMNITY COMPANY — eff. Apr 1, 2021
Trust Fund
Not on file
Source: Legacy FMCSA. Verify current filings directly with FMCSA before relying on them.
Crash history
0
Total Crashes
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Frequently asked questions
Is MOUNTAIN MATERIALS INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for MOUNTAIN MATERIALS INC (USDOT #1634570) shows "AUTHORIZED" status. The snapshot lists them as an intrastate only (non-hazmat) carrier. Verify the current official record with FMCSA before booking a load.
What is MOUNTAIN MATERIALS INC's safety record?
MOUNTAIN MATERIALS INC has 0 inspections on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does MOUNTAIN MATERIALS INC operate?
MOUNTAIN MATERIALS INC operates 18 power units with 18 drivers on file. That makes them a small carrier.
Does MOUNTAIN MATERIALS INC transport hazardous materials?
No. MOUNTAIN MATERIALS INC does not have a hazardous materials flag in the FMCSA database.
Where is MOUNTAIN MATERIALS INC located?
MOUNTAIN MATERIALS INC is based in ALPINE, California at 1117 TAVERN RD, 91901. Phone: (619) 445-4150.