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MOUNTAIN MATERIALS INC Logo
MOUNTAIN MATERIALS INC
ALPINE, CA 04/19/2007 19 years, 3 months
DOT 1634570
MC 604904
Carrier, Broker, Shipper
Interstate
19 Power Units
11 Drivers
Current as of today
Active · 19 power units · 11 drivers · Alpine, CA
2026
~Sep 2026
Fleet grew 18 → 19 power units
~Sep 2026
Driver count changed 18 → 11
Apr 16, 2026
Discontinued revocation
Broker authority (MC604904)
Apr 10, 2026
Insurance cancelled with American Contractors Indemnity Company
Form 84
Mar 16, 2026
Involuntary revocation
Broker authority (MC604904)
Mar 6, 2026
MCS-150 biennial update filed
Reported mileage: 665,000 (2024) Reported power units: 18 → 19 Reported drivers: 18 → 11 Reported trailers: 22
2025
Dec 22, 2025
Insurance filed with Williamsburg National Ins Co.
Form 91X, $1,000,000 coverage
Dec 22, 2025
Insurance cancelled with Williamsburg National Ins Co. (2 policies)
Form 91X, $1,000,000 coverage
Dec 22, 2025
Insurance filed with Williamsburg National Ins Co.
Form 91X, $750,000 coverage
Dec 22, 2025
Insurance cancelled with Williamsburg National Ins Co.
Form 91X, $750,000 coverage
Dec 19, 2025
MCS-150 biennial update filed
Reported mileage: 665,000 (2024) Reported power units: 22 → 18 Reported drivers: 22 → 18 Reported trailers: 45 → 22
2023
Dec 1, 2023
MCS-150 biennial update filed
Reported mileage: 665,000 (2022) Reported power units: 22 Reported drivers: 15 → 22 Reported trailers: 45
2022
Dec 22, 2022
Insurance cancelled with Williamsburg National Ins Co.
Form 91X, $1,000,000 coverage
Dec 22, 2022
Insurance filed with Williamsburg National Ins Co.
Form 91X, $1,000,000 coverage
Dec 21, 2022
Discontinued revocation
Common authority (MC604904)
Nov 25, 2022
Involuntary revocation
Common authority (MC604904)
2021
Dec 28, 2021
Discontinued revocation
Common authority (MC604904)
Dec 22, 2021
Insurance cancelled with Williamsburg National Ins Co.
Form 91X, $1,000,000 coverage
Dec 22, 2021
Insurance filed with Williamsburg National Ins Co.
Form 91X, $1,000,000 coverage
Nov 26, 2021
Involuntary revocation
Common authority (MC604904)
Sep 2, 2021
MCS-150 biennial update filed
Reported mileage: 412,000 (2020) Reported power units: 22 Reported drivers: 22 → 15
Apr 1, 2021
Insurance cancelled with American Contractors Indemnity Company
Form 84
Apr 1, 2021
Insurance filed with American Contractors Indemnity Company
Form 84
Mar 18, 2021
Discontinued revocation
Broker authority (MC604904)
Mar 5, 2021
Involuntary revocation
Broker authority (MC604904)
2019
Dec 22, 2019
Insurance filed with Williamsburg National Ins Co.
Form 91X, $1,000,000 coverage
Dec 22, 2019
Insurance cancelled with State National Insurance Co., Inc.
Form 91X, $1,000,000 coverage
Dec 2, 2019
MCS-150 biennial update filed
Reported mileage: 378,445 (2018) Reported power units: 22 Reported drivers: 22
Aug 10, 2019
Insurance filed with State National Insurance Co., Inc.
Form 91X, $1,000,000 coverage
Aug 10, 2019
Insurance cancelled with State National Insurance Co., Inc.
Form 91X, $1,000,000 coverage
Jul 29, 2019
Discontinued revocation
Common authority (MC604904)
Jul 15, 2019
Involuntary revocation
Common authority (MC604904)
Feb 25, 2019
Granted
Motor property common carrier authority (MC604904)
Feb 25, 2019
Granted
Property broker authority (MC604904)
Feb 11, 2019
Insurance filed with American Contractors Indemnity Company
Form 84
2017
Dec 22, 2017
Insurance cancelled with Wesco Insurance Company
Form 91X, $1,000,000 coverage
Dec 22, 2017
Insurance filed with State National Insurance Co., Inc. (2 policies)
Form 91X, $1,000,000 coverage
Dec 22, 2017
Insurance cancelled with State National Insurance Co., Inc.
Form 91X, $1,000,000 coverage
Nov 2, 2017
Discontinued revocation
Common authority (MC604904)
Nov 1, 2017
Insurance filed with Wesco Insurance Company
Form 91X, $1,000,000 coverage
Nov 1, 2017
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Oct 5, 2017
Involuntary revocation
Common authority (MC604904)
2016
Nov 5, 2016
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Nov 1, 2016
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Nov 1, 2016
Insurance filed with Century National Insurance Company
Form 91X, $1,000,000 coverage
Oct 27, 2016
Discontinued revocation
Common authority (MC604904)
Oct 11, 2016
Involuntary revocation
Common authority (MC604904)
Mar 11, 2016
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Feb 19, 2016
Discontinued revocation
Common authority (MC604904)
Feb 16, 2016
Involuntary revocation
Common authority (MC604904)
2015
Nov 22, 2015
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Nov 1, 2015
Insurance filed with Century National Insurance Company (4 policies)
Form 91X, $1,000,000 coverage
Nov 1, 2015
Insurance cancelled with Century National Insurance Company (2 policies)
Form 91X, $1,000,000 coverage
Oct 30, 2015
Discontinued revocation
Common authority (MC604904)
Oct 26, 2015
Involuntary revocation
Common authority (MC604904)
May 21, 2015
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
2014
Nov 5, 2014
Discontinued revocation
Common authority (MC604904)
Nov 1, 2014
Insurance filed with Century National Insurance Company (4 policies)
Form 91X, $1,000,000 coverage
Nov 1, 2014
Insurance cancelled with Century National Insurance Company (2 policies)
Form 91X, $1,000,000 coverage
Oct 6, 2014
Involuntary revocation
Common authority (MC604904)
2013
May 11, 2013
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Apr 16, 2013
Discontinued revocation
Common authority (MC604904)
Apr 15, 2013
Involuntary revocation
Common authority (MC604904)
2012
Dec 6, 2012
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Nov 13, 2012
Discontinued revocation
Common authority (MC604904)
Nov 9, 2012
Involuntary revocation
Common authority (MC604904)
Nov 1, 2012
Insurance filed with Century National Insurance Company (3 policies)
Form 91X, $1,000,000 coverage
Nov 1, 2012
Insurance cancelled with Century National Insurance Company (2 policies)
Form 91X, $1,000,000 coverage
Aug 4, 2012
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Aug 3, 2012
Discontinued revocation
Common authority (MC604904)
Jul 9, 2012
Involuntary revocation
Common authority (MC604904)
May 17, 2012
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
May 4, 2012
Discontinued revocation
Common authority (MC604904)
Apr 20, 2012
Involuntary revocation
Common authority (MC604904)
Apr 20, 2012
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Mar 30, 2012
Discontinued revocation
Common authority (MC604904)
Mar 26, 2012
Involuntary revocation
Common authority (MC604904)
Feb 10, 2012
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Feb 2, 2012
Discontinued revocation
Common authority (MC604904)
Jan 17, 2012
Involuntary revocation
Common authority (MC604904)
2009
Nov 6, 2009
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Nov 1, 2009
Insurance filed with Century National Insurance Company (7 policies)
Form 91X, $1,000,000 coverage
Nov 1, 2009
Insurance cancelled with Century National Insurance Company (2 policies)
Form 91X, $1,000,000 coverage
Oct 30, 2009
Discontinued revocation
Common authority (MC604904)
Oct 13, 2009
Involuntary revocation
Common authority (MC604904)
Feb 13, 2009
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Jan 22, 2009
Discontinued revocation
Common authority (MC604904)
Jan 20, 2009
Involuntary revocation
Common authority (MC604904)
2008
Nov 3, 2008
Discontinued revocation
Common authority (MC604904)
Nov 1, 2008
Insurance filed with Century National Insurance Company (4 policies)
Form 91X, $1,000,000 coverage
Nov 1, 2008
Insurance cancelled with Scottsdale Indemnity Company
Form 91X, $1,000,000 coverage
Nov 1, 2008
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Oct 6, 2008
Involuntary revocation
Common authority (MC604904)
Jan 9, 2008
Reinstated
Motor property common carrier authority (MC604904)
2007
Nov 6, 2007
Revoked
Motor property common carrier authority (MC604904)
Nov 1, 2007
Insurance filed with Scottsdale Indemnity Company
Form 91X, $1,000,000 coverage
Oct 31, 2007
Insurance cancelled with Century National Insurance Company
Form 91X, $1,000,000 coverage
Jun 8, 2007
Granted
Motor property common carrier authority (MC604904)
May 8, 2007
Insurance filed with Century National Insurance Company
Form 91X, $1,000,000 coverage
Apr 19, 2007
DOT registered
Company registered with the FMCSA.