Trucking Lens

Mountain Materials Inc

USDOT 1634570MC-604904USDOT activeAuthority active· Alpine, CA

Mountain Materials Inc (USDOT 1634570) holds active operating authority as a broker and a motor carrier of property under MC-604904 based in Alpine, CA. The earliest grant on file is from June 2007, 19 years, 5 months ago. $1,000,000 of liability coverage is on file with Williamsburg National Ins Co. It reported 19 power units and 11 drivers on its last MCS-150 update (March 2026). 2 other active carriers list the same physical address.

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-604904BrokerActivebond$1,000,000 liability, bond
MC-604904Motor carrier of propertyActive$750,000 liability$1,000,000 liability

Earliest grant on file: Jun 8, 2007 (19 years, 5 months ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XWilliamsburg National Ins Co.$1,000,000Dec 22, 2025—
Broker surety bond (BMC-84) · form 84American Contractors Indemnity Company—Apr 10, 2026—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
Apr 16, 2026MC-604904Discontinued revocation · broker
Mar 16, 2026MC-604904Involuntary revocation · broker
Dec 21, 2022MC-604904Discontinued revocation · common carrier
Nov 25, 2022MC-604904Involuntary revocation · common carrier
Dec 28, 2021MC-604904Discontinued revocation · common carrier
Nov 26, 2021MC-604904Involuntary revocation · common carrier
Mar 18, 2021MC-604904Discontinued revocation · broker
Mar 5, 2021MC-604904Involuntary revocation · broker
Jul 29, 2019MC-604904Discontinued revocation · common carrier
Jul 15, 2019MC-604904Involuntary revocation · common carrier
Feb 25, 2019MC-604904Discontinued revocation · broker
Feb 25, 2019MC-604904Discontinued revocation · motor carrier of property
Feb 25, 2019MC-604904Granted · motor carrier of property
Feb 25, 2019MC-604904Granted · broker
Nov 2, 2017MC-604904Discontinued revocation · common carrier
Oct 5, 2017MC-604904Involuntary revocation · common carrier
Oct 27, 2016MC-604904Discontinued revocation · common carrier
Oct 11, 2016MC-604904Involuntary revocation · common carrier
Feb 19, 2016MC-604904Discontinued revocation · common carrier
Feb 16, 2016MC-604904Involuntary revocation · common carrier
Oct 30, 2015MC-604904Discontinued revocation · common carrier
Oct 26, 2015MC-604904Involuntary revocation · common carrier
Nov 5, 2014MC-604904Discontinued revocation · common carrier
Oct 6, 2014MC-604904Involuntary revocation · common carrier
Apr 16, 2013MC-604904Discontinued revocation · common carrier
Apr 15, 2013MC-604904Involuntary revocation · common carrier
Nov 13, 2012MC-604904Discontinued revocation · common carrier
Nov 9, 2012MC-604904Involuntary revocation · common carrier
Aug 3, 2012MC-604904Discontinued revocation · common carrier
Jul 9, 2012MC-604904Involuntary revocation · common carrier
May 4, 2012MC-604904Discontinued revocation · common carrier
Apr 20, 2012MC-604904Involuntary revocation · common carrier
Mar 30, 2012MC-604904Discontinued revocation · common carrier
Mar 26, 2012MC-604904Involuntary revocation · common carrier
Feb 2, 2012MC-604904Discontinued revocation · common carrier
Jan 17, 2012MC-604904Involuntary revocation · common carrier
Oct 30, 2009MC-604904Discontinued revocation · common carrier
Oct 13, 2009MC-604904Involuntary revocation · common carrier
Jan 22, 2009MC-604904Discontinued revocation · common carrier
Jan 20, 2009MC-604904Involuntary revocation · common carrier

Revocations

DocketAuthorityOrder servedEffective
MC-604904CommonOct 4, 2007Nov 6, 2007 · involuntary revocation

Registration

USDOT number1634570
USDOT statusActive
MC numberMC-604904
Legal nameMountain Materials Inc
OperationInterstate
ClassificationAuthorized for hire
LocationAlpine, California 91901
USDOT addedApr 19, 2007
Last MCS-150 updateMar 6, 2026
Safety ratingNot rated

Fleet

Power units19
Trucks19
Drivers11 · 11 with a CDL
Annual miles665,000 · 2024

Cargo carried

General freight, Building materials, Commodities dry bulk, Construction, Water well, rock, sand, gravel

Other records

  • 2 other active carriers list the same physical address. Shared addresses are common for fleets, terminals and filing agents; they are one input to a vetting decision, not a finding.

Check it yourself

Data as of Nov 13, 2026. Sources

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