Loading…
DOT 1634570 is operated by MOUNTAIN MATERIALS INC out of Alpine, CA. This profile shows verified operating authority, current insurance, observed equipment, and recent inspection activity joined into one card so brokers can verify the carrier in one tab.
Save MOUNTAIN MATERIALS INC to your history
Is this your business? Sign up with your FMCSA-on-file email (m***e@m***s.com) to claim this profile →
MOUNTAIN MATERIALS INC holds active federal broker authority (604904). Whether the required $75,000 BMC-84 surety bond is on file and any authority revocations are shown in the broker-vetting section on this page — check them before you haul, since a bonded, active broker is the baseline signal you can expect to get paid.
Operating authority is verified against the live public registry and refreshed daily. Current status: ACTIVE. "active" means the carrier is authorized to operate; "inactive" or "out-of-service" indicates the carrier should not be hauling.
Liability and cargo insurance status is drawn from the latest filings on record. Current status: active. We mark a carrier "lapsed" when the most recent cancellation date is in the past with no superseding policy.
MOUNTAIN MATERIALS INC was last inspected on 2026-07-31. We've recorded 2 inspections in the trailing 12 months.
MOUNTAIN MATERIALS INC is registered as 604904. Many brokers reference carriers by MC; both identifiers resolve to the same carrier record.
Equipment, lane footprint, insurance timeline, and fraud signals on one screen.
Offer with confidence — current authority and clean operations.
power units (MCS-150)
distinct VINs in inspections
2 inspections, 12mo
most recent roadside record
No community reports for this carrier. Had a fraud or cargo-theft incident? Your report warns the whole network within minutes.
Community reports are submitted by broker workspaces and are NOT verified by KnowHaul. New reporters are human-moderated; 3+ corroborating workspaces feed a capped penalty into the fraud risk score. Named in a report that's wrong? Email admin@knowhaul.com and a human will review it.
Aggregate rating unlocks at 3 reviewing workspaces — 0 so far. Individual reviews appear below as they're published.
No published reviews yet. Worked with this carrier? Your review starts the record.
Not enough claim reports yet
0 of 3 brokers needed before claims history unlocks
Claims stay locked below 3 contributing brokers so no single broker's claims can be picked out of the aggregate.
Not enough broker-reported loads yet — this score unlocks as brokers report load outcomes. Aggregates appear once 3+ brokerages have reported on this carrier (0 loads from 0 brokerages so far).
Not enough reports yet
0 of 3 brokers needed before rates unlock
Rates stay locked below 3 contributing brokers so no single broker’s loads can be picked out of the aggregate.
Current reported fleet · as of Mar 2026. A trend line appears once a second filing is on record.
This carrier has fewer than 3 roadside inspections in the last 24 months — too thin for meaningful CSA scoring.
The reverse check: whether this freight broker is legit, bonded, and safe to haul for — before you take the load.
Serious payment-risk signals are firing on this broker. Don't haul for them without resolving these first — on this data you may not get paid.
AMERICAN CONTRACTORS INDEMNITY COMPANY · policy 100428305
WILLIAMSBURG NATIONAL INS CO. · policy CA0866393
Based on public FMCSA registration, surety-bond, and revocation records. We don't have broker payment-history data — this checks that the broker is authorized and bonded, not that they always pay on time.
Matched on equipment mix, fleet-size band, and home state.
No active fraud-risk signals contribute to this score.
No equipment signal — request a COI before tender.