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ROCK DOG LLC
San Marcos, TX
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active registration · no operating authority · DOT 3370380
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
25.0% OOS · 11 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- No active insurance filing found on record
- Vehicle out-of-service rate 28.6% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 11 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
3370380
Safety Rating
Not Rated
Operation Classification
Authorized for hire
MCS-150 Filed
April 2, 2026
FMCSA Registration
December 16, 2019
Annual Mileage
962,000 mi (2026)
Contact Information
Address
3805 Plum St, San Marcos, TX 78666
Phone
Email
Owner / Officer
Juan Manuel Cardoza Gaytan
Cargo Types
General FreightHousehold GoodsOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
11
Driver Inspections
3
Vehicle Inspections
10
Out-of-Service Violations
3
Violations by Category
Vehicle Maintenance47
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate28.6% · national avg 20.7%
⚠ Above national average (7.9pp higher)
25.0% of 8 inspections in the last 24 months put a driver or vehicle out of service —
56th percentile among carriers with 5–9 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
6 of 7 inspections
Unsafe Driving
0 of 8 inspections
Hours of Service
0 of 8 inspections
Driver Fitness
0 of 8 inspections
Controlled Substances
0 of 8 inspections
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
1
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| February 2, 2026 | TX | — | 1 | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
TX10
Fleet & Equipment (4)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~2
of 2 reported to FMCSA
Trailers
~2
seen at inspection
Equipment types observed
Dump
2
Tractor
2
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2016 Peterbilt 389 | Tractor · Class 8 | 1XPXD49X8GD369703 | 5 | 2 |
| 2015 Armor Lite Trailer | Dump · 32 ft | 56EA75C23FA000231 | 5 | — |
| 2020 Dragon Esp | Dump · 34 ft | 1UNSD3428LR168302 | 3 | 2 |
| 2012 Peterbilt 386 | Tractor · Class 8 | 1XPHD49X9CD125170 | 3 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (11)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| September 25, 2026 | V262576767 | TX, TX | II | 5 | — | COLORADO MATERIALS | Truck Tractor Semi-trailer |
PETERBILT ARMOR LITE TRAILER |
1XPHD49X9CD125170 56EA75C23FA000231 |
TX 1N88955 TX 254C381 |
| 393.11B-CSURR | Conspicuity Systems - Trailers, upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1, 1993 | Reflective Sheeting | ||||||||
| 393.28-WS-6 | Wiring Systems - Bare, loose, dangling, chafing or poorly connected wires | Other Vehicle Defect | ||||||||
| 393.78A-WS | Washers - Inoperative washing system. | Windshield/ Glass/ Markings | ||||||||
| 393.9A-LSML | Lighting - Side marker lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 396.5B-HWSL | Hubs - Wheel seal leaking | Wheels Studs Clamps Etc. | ||||||||
| September 21, 2026 | V262584203 | TX, TX | II | 4 | 1 | COLORADO MATERIALS | Truck Tractor Semi-trailer |
PETERBILT DRAGON ESP |
1XPXD49X8GD369703 1UNSD3428LR168302 |
TX 1N41630 OK CU8386 |
| 396.3A1-BOS | OOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Brake Out Of Service | ||||||||
| 393.48A-BIBD | Drum Brake - Inoperative other than a steering axle | Brakes All Others | ||||||||
| 393.55E-B | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 | Brakes All Others | ||||||||
| 396.3A1-BALAC | Brake - Audible air leak from a brake chamber | Brakes All Others | ||||||||
| April 16, 2026 | V262309164 | TX21 SCALES, TX | II | 12 | — | COLORADO MATERIALS | Truck Tractor Semi-trailer |
PETERBILT DRAGON ESP |
1XPXD49X8GD369703 1UNSD3428LR168302 |
TX 1N41630 OK CU8386 |
| 393.11TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.11TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.45B2PC | Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit | Brakes All Others | ||||||||
| 393.55C2 | CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system | Brakes All Others | ||||||||
| 393.55E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Brakes All Others | ||||||||
| 393.78 | Wipers - Inoperative / missing / damaged wipers | Windshield/ Glass/ Markings | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.95A | No/discharged/unsecured fire extinguisher | Emergency Equipment | ||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| March 27, 2026 | V262273352 | MAGNOLIA AND FANNIN, TX | II | 5 | — | COLORADO MATERIALS | Truck Tractor Semi-trailer |
PETERBILT ARMOR LITE TRAILER |
1XPHD49X9CD125170 56EA75C23FA000231 |
TX 1N88955 TX 254C381 |
| 393.11TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.209E | Power steering violations | Steering Mechanism | ||||||||
| 393.55E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Brakes All Others | ||||||||
| 396.3A1B | Brakes (general) Explain: | Brakes All Others | ||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| February 19, 2026 | V262228074 | TX21 MM 560, TX | I | 7 | — | COLORADO MATERIALS | Truck Tractor Semi-trailer |
PETERBILT ARMOR LITE TRAILER |
1XPHD49X9CD125170 56EA75C23FA000231 |
TX 1N88955 TX 254C381 |
| 390.21A | Not marked in accordance with regulations | |||||||||
| 393.11TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.209E | Power steering violations | Steering Mechanism | ||||||||
| 393.55E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Brakes All Others | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 396.3A1 | Inspection, repair and maintenance of parts and accessories | Wheels Studs Clamps Etc. | ||||||||
| January 27, 2026 | V262176885 | 2765 TX46, TX | II | 3 | — | COLORADO MATERIALS | Truck Tractor Semi-trailer |
PETERBILT ARMOR LITE TRAILER |
1XPHD49X9CD125170 56EA75C23FA000231 |
TX 1N88955 TX 254C381 |
| 393.11 | No or defective lighting devices or reflective material as required | Reflective Sheeting | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| December 12, 2025 | V252134453 | IH35 SB SAN MARCOS SCALE, TX | I | 12 | 1 | COLORADO MATERIALS | Truck Tractor Semi-trailer |
PETERBILT DRAGON ESP |
1XPXD49X8GD369703 1UNSD3428LR168302 |
TX 1N41630 OK BQ9229 |
| 396.3A1BOS | BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination | Brake Out Of Service | ||||||||
| 393.11TU | Truck-Tractor upper body corner requirements for retroreflective sheeting or reflex reflective material for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.53B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Brakes All Others | ||||||||
| 393.95A | No/discharged/unsecured fire extinguisher | Emergency Equipment | ||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2W | Excessive Weight violation | |||||||||
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
| March 4, 2025 | V251634903 | SH 46 AT CORDOVA RD, TX | II | 3 | — | - | Truck Tractor Semi-trailer |
PETERBILT ARMOR LITE TRAILER |
1XPXD49X8GD369703 56EA75C23FA000231 |
TX 1N41630 TX 254C381 |
| 393.11TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Reflective Sheeting | ||||||||
| 393.55D1 | CMV not equipped with ABS malfunction circuit or signal (Truck-Tractor mfg on/after 3/1/1997; Straight Truck mfg on/after 3/1/1998) | Brakes All Others | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
| February 20, 2025 | V251757540 | FM1102, TX | III | — | — | N/A | Truck Tractor Semi-trailer |
PETERBILT ARMOR LITE TRAILER |
1XPXD49X8GD369703 56EA75C23FA000231 |
TX 1N41630 TX 254C381 |
| April 16, 2024 | V241348570 | 13571 US87 NB SVC RD, TX | II | 3 | — | HUNTER IND | Truck Tractor Semi-trailer |
FRHT DRAGON ESP |
3AKJGNDR0DDFJ2517 1UNSD3428LR168302 |
TX 1M57465 OK BQ9229 |
| 393.60D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Windshield/ Glass/ Markings | ||||||||
| 393.67C7 | Fuel tank fill pipe cap missing | Fuel Systems | ||||||||
| 393.9 | Inoperable Required Lamp | Clearance Identification Lamps/Other | ||||||||
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| COLORADO MATERIALS | 8 | September 25, 2026 |
| HUNTER IND | 1 | April 16, 2024 |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 1, 2026.
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