We're Hiring CDL Drivers

Get a freight quote

Approved carriers respond fast.

Approved carriers
Reliable drivers
Fast & easy
Anywhere in the US
Oversized loads
Reefer, flatbed & dry van
Insured cargo
Your info stays private

Freight Carrier · Mariposa, CA

SIERRA TAC CO LLC

Name: SIERRA TAC CO LLC
Address: 4494 TRIANGLE RD, MARIPOSA, CA, 95338, US
Telephone: (209) 347-7931

4494 TRIANGLE RD · Mariposa, CA 95338

Not Authorized

(209) 347-7931 Tap to call

MC #1768093
USDOT #4477855 USDOT Active

2
Power Units
1
Driver
Carrier
Entity Type

About this carrier

SIERRA TAC CO LLC is a Mariposa, CA freight carrier that is not authorized in the state of California. This company has 2 truck(s) in their fleet and 1 truck drivers. Their motor carrier number is MC-1768093 and their USDOT number is 4477855.

Sourced from FMCSA SAFER · last filed 10/06/2025 · last updated Jun 23, 2026.

Carrier Details

Operating Status NOT AUTHORIZED
MCS-150 Filed 10/06/2025

Authority & Operations

Operation Classification

Authorized for Hire

Carrier Operation

Interstate

Cargo Authorized

General Freight

Operating Territory

Map of states where this carrier has roadside inspections

Home base Based in Mariposa, California. No roadside inspections on record in the past 24 months to map operating states.

Locations

Physical Address

SIERRA TAC CO LLC
4494 TRIANGLE RD
MARIPOSA, CA 95338

Mailing Address

SIERRA TAC CO LLC
4494 TRIANGLE RD
MARIPOSA, CA 95338-9647

Location on Map

Google Directions Apple Maps Waze OpenStreetMap

Latest from Carrier Atlas Freight Intelligence

Earnings & Financials

Knight-Swift Q2 Beat Doesn't Signal Broker Fraud Risk for Small Fleets

Large carrier's 23% earnings beat and 30% tender rejection rate reflect tight capacity and rising contract rates, not broker payment problems. Small fleets should still verify b…

Jul 30, 2026

General

C.H. Robinson Hit With $604 Million Verdict in First Post-Montgomery Trial

Dallas jury assigns broker 23% fault in fatal 2021 crash, but shared-fault rules could push most of the judgment onto C.H. Robinson as carrier and deceased driver lack collectib…

Jul 30, 2026

TMS & Software Reviews

Repower's TOP platform cuts trailer repositioning costs for carriers

Chattanooga startup automates trailer moves from surplus to deficit markets. Free to sign up, pricing scales with fleet size and move volume.

Jul 30, 2026

Broker Fraud & Vetting

C.H. Robinson Hit With $604M Verdict After Jury Calls Driver 'Borrowed Employee'

Dallas jury found broker 23% liable but vicarious-liability theory could multiply exposure. Verdict follows Supreme Court ruling that killed federal preemption shield.

Jul 30, 2026

Compliance & FMCSA

Senate Bill Targets Chameleon Carriers That Reopen After Violations

Bipartisan SAFE Act would require FMCSA to screen new USDOT applications for ownership, equipment, and insurance ties to shut-down operators.

Jul 29, 2026

Compliance & FMCSA

Georgia Breaks Ground on 41-Mile Truck-Only I-75 Corridor in 2027

GDOT project 0014203 will add two barrier-separated commercial vehicle lanes from Macon to McDonough by 2032. No toll. Trucks over six wheels must use them.

Jul 27, 2026

Getting Authority

FMCSA Revives 17-Year-Old Rule That Would Test New Carriers Before They Haul

The agency targets November 2026 for a supplemental notice on requiring proficiency exams before granting new-entrant authority, not 18 months after.

Jul 27, 2026

Markets & Rates

Tender Lead Times Hit 3.74 Days, Up Six Years Running

Shippers are booking trucks further in advance even when capacity is loose. That's changing how freight moves and who gets it.

Jul 26, 2026

Markets & Rates

Freight Rates Hold Near Record as Capacity Tightens to 43-Month High

ACT Research's June index shows rates at 70.2, down from May's record but still among the strongest in 17 years, while capacity climbs to 55.0 and driver availability stays depr…

Jul 26, 2026

Carrier Business

Rush Enterprises Buys Into MCT Refrigeration Service Network

The joint venture expands Rush's footprint beyond truck dealerships and into reefer trailer service, parts, and rentals.

Jul 25, 2026

Markets & Rates

Why Capacity Won't Flood Back This Time

Litigation, regulation, and insurance costs are blocking the new-carrier surge that ended past rate cycles, says Triumph Financial CEO Aaron Graft.

Jul 25, 2026

Equipment & OEM

YMX yard AI cut grocery fleet by 36%, scaled to nine sites in six months

Autonomous Yard Operating System uses digital twin modeling and computer vision to right-size yard truck fleets. One top-five U.S. grocery distributor dropped from 22 units to 1…

Jul 25, 2026