This company holds two active authorities — view asSafety, inspections, crashes and insurance are graded as a motor carrier.
MM
MOUNTAIN MATERIALS INC
DOT 1634570MC 604904ActiveMotor CarrierBrokerIntrastate Non-HazmatAMERICAN CONTRACTORS INDEMNITY COMPANY +1 · $1,000,000 · 2 policiesALPINE, CA
COMPANY
Authority since
2026-04-16
MCS-150
2026-03-06 · 665,000 mi (2024)
Fleet
19 units · 22 trailers · 11 drivers
ADDRESS
Physical
1117 TAVERN RD
ALPINE, CA 91901
ALPINE, CA 91901
Mailing
Same as physical
CONTACT
Phone
6194454150
Email
michele@mountainmaterials.com
OFFICERS
Primary Officer
—
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Construction & Building Materials
Cargo types
6
General FreightBuilding MaterialsCommodities Dry BulkConstructionWater WellOther
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads.
AUTHORITY
5 mo
Active authority
INSURANCE
2 active
AMERICAN CONTRACTORS INDEMNITY COMPANY
RISK GRADE
Minimal Risk
0 risk factors · 3 strengths
OOS RATE
25.0%
3 / 12 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0/100 risk points0 risk factors · 3 strengths · 3 data pointsmedium confidenceWeighted heuristic: crashes are decayed by recency and normalized per 100 power units, out-of-service and violation rates use a rolling 24-month window, plus FMCSA BASIC alerts and the CarrierIntel Safety Score (which also decays when compliance has not been verified by a recent inspection). Not the official FMCSA SMS score.
SAFETY PERFORMANCE
Crash Record
5 crashes · 0 fatal · 0 with injuries · 5 tow-away
Clean Inspection Rate
75% — 9 clean of 12 inspections
Out-of-Service Rate
25.0% — driver OOS 0, vehicle OOS 3
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
43 historical event(s) on file
MCS-150 Filing
Last filed 2026-03-06
INSURANCE
Active Coverage
2 active policy(ies) · total max coverage $1,000,000
SUMMARY
No crashes in the last 24 months
Active insurance on file
Coverage $1.0M
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