Phone number (512) 877-0148

This number is registered with the FMCSA by the following motor carrier. If a dispatcher or carrier called you from this number, check that the company details below match what they told you.

CompanyUSDOTDocketTrucksAuthority
SIERRA BUILDING GROUP LLC
DBA SIERRA BULK WATER
3611144FF480241Last known: Not authorized
FMCSA snapshot May 14, 2026
Fraud check: freight fraud often involves someone using a real carrier's name with a different phone number. If the caller's number does not match the one on file, call the carrier back on the registered number before tendering a load.