Mountain Materials Inc
Operating legally, with one flag to weigh
Authority and insurance are in order. Vehicle OOS well above average: 60.0% of vehicle inspections placed out of service vs 22.26% national.
How we scored it · 5 factors
Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.
Safety
FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026- Total inspections
- 7
- Driver inspections
- 7
- Vehicle inspections
- 5
- People injured
- 0
- Fatalities
- 0
- FMCSA rating
- Not rated
Enforcement
FMCSA closed casesClosed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.
Equipment
Operations & cargo
Identity & federal record
FMCSA census · MCS-150- USDOT
- 1634570
- MC / docket
- MC-604904
- Legal name
- Mountain Materials Inc
- DBA
- —
- Entity type
- Carrier & Broker
- Operation
- Interstate
- First registered
- Apr 19, 2007
- Last MCS-150
- Mar 6, 2026
- Safety rating
- Not rated
- Drivers (CDL)
- 11 (11)
- Hazmat
- No
- Business type
- —
Fraud & network signals
For review, not a verdict.
- Alpine Landscape Materials · USDOT 3134248 · Alpine, CA
- Michele C Shea · USDOT 2722584 · Alpine, CA
Shared contact details can mean affiliated companies or a registration service, but they are also a common sign of chameleon carriers and identity theft. Confirm you're dealing with the company you expect.
Frequently asked
What is Mountain Materials Inc's USDOT number?
Mountain Materials Inc's USDOT number is 1634570 and its docket number is MC604904.
Is Mountain Materials Inc authorized to operate?
Yes. FMCSA shows active carrier and broker operating authority.
What is Mountain Materials Inc's safety record?
Over the last 24 months: 7 roadside inspections, a 60.0% vehicle and 0.0% driver out-of-service rate, and 0 reportable crashes (0 fatal). Not rated by FMCSA.
How big is Mountain Materials Inc's fleet?
19 power units and 11 drivers per its MCS-150 filed Mar 6, 2026.
What insurance does Mountain Materials Inc carry?
$1,000,000 in BIPD liability coverage is on file with Williamsburg National Ins Co..
Where is Mountain Materials Inc located?
Mountain Materials Inc is located at 1117 Tavern Rd, Alpine, CA, 91901. Phone: (619) 445-4150.
Similar carriers in California
All California carriers →Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.