🔍Search Carrier 📑MC Lookup 🚚DOT Lookup 📋Bulk Search 📝Blog ❓FAQ ℹAbout ✉Contact
FMCSA Carrier Profile

MASTER INSULATION AND SERVICES

Mount Vernon, WA

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 2340459
Active No Safety Rating
3
Power Units
3
Drivers
10
Inspections
—
Vehicle OOS
—
Insurance

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
10 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
  • Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
  • No active insurance filing found on record
  • 10 FMCSA inspections on record

Company Information

Registration, contact and cargo details

FMCSA Registration

DOT Number
2340459
Safety Rating
Not Rated
Operation Classification
Private (property)
MCS-150 Filed
August 26, 2019
FMCSA Registration
September 6, 2012
Annual Mileage
1 mi (2018)

Contact Information

Address
1725 Railroad Ave, Mount Vernon, WA 98273
Owner / Officer
Sergio Lozano

Cargo Types

Building MaterialsConstruction Materials

Safety Snapshot

Out-of-service rates, violations and crashes

Safety & Inspection Summary

Total Inspections
10
Driver Inspections
7
Vehicle Inspections
4
Out-of-Service Violations
3

Violations by Category

Vehicle Maintenance8
Unsafe Driving3
Hours of Service0

OOS Rates vs. National Average

Inspection Trend by Year

2025
4 insp · 1 OOS
2024
5 insp · 2 OOS
2023
1 insp · 0 OOS

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 2 of 2 inspections
Unsafe Driving 3 of 4 inspections
Hours of Service 0 of 4 inspections
Driver Fitness 0 of 4 inspections
Controlled Substances 0 of 4 inspections

Fleet & Operating Areas

Observed roadside activity and equipment

Where This Carrier Operates

States where this carrier's roadside inspections were recorded
FewerMore
WA8

Fleet & Equipment (5)

Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Straight Truck Power units Class 4–6
Power units
~5
of 3 reported to FMCSA
Trailers
—
seen at inspection
Equipment types observed
Chassis / Incomplete
4
Truck
1
Units on record
VehicleTypeVINInspectionsWith OOS
2019 Isuzu NPR-HD Chassis / Incomplete · Class 4 JALC4W163K7009761 2 —
2018 International MA025 Truck · Class 6 3HAMMMML7JL566741 1 1
2024 Isuzu NPR-HD Chassis / Incomplete · Class 4 54DC4W1D8RS213393 1 —
2025 Isuzu FTR Chassis / Incomplete · Class 6 54DK6S1F1SSA00035 1 —
2020 Isuzu NPR-HD Chassis / Incomplete · Class 4 JALC4W160L7010514 1 1
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 (10)

DateReport #LocationLevelViolOOSShipperUnit TypeMakeVINLicense
October 21, 2025 2106001955 MOUNT VERNON WA I 2 1 CARRIER
Straight Truck
ISUZU
JALC4W160L7010514
WA C83748N
393.75A3-TAOL OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS Tires
392.16B-DPASS Driver - Failed to require passenger(s) (not a co-driver) to use seat belt while operating a property-carrying CMV. Seat Belt
October 1, 2025 2174000258 BOW WA II 2 — CARRIER
Straight Truck
ISUZU
54DK6S1F1SSA00035
WA D28533G
390.21TB2-DOT Operate a CMV without USDOT number displayed. Must be preceded by the letters USDOT
396.17C-PI Operating a CMV without documentation of a periodic inspection Inspection Reports
May 7, 2025 2054000522 MARYSVILLE WA III 3 — CARRIER
Straight Truck
ISUZU
JALC4W163K7009761
WA C69608K
392.2-SLLLR State/Local Laws - Lane restriction violation Misc Violations
396.17C-PI Operating a CMV without documentation of a periodic inspection Inspection Reports
390.21TB2-DOT Operate a CMV without USDOT number displayed. Must be preceded by the letters USDOT
March 28, 2025 2073000733 KIRKLAND WA III 1 — CARRIER
Straight Truck
ISUZU
54DC4W1D8RS213393
WA D28544G
392.2-SLLCP State/Local Laws - Operate a CMV while using a cellular phone Texting
September 4, 2024 0751000590 CONWAY WA II 5 1 CARRIER
Straight Truck
INTERNATIONAL
3HAMMMML7JL566741
WA C82832M
392.9A2-C OOSCargo - Vehicle components or dunnage not secured General Securement
396.17C-PI Operating a CMV without documentation of a periodic inspection Inspection Reports
393.80A Rear-Vision Mirrors - Missing or defective Other Vehicle Defect
393.95A4-EENA Emergency Equipment - Fire Extinguishers - not readily accessible or filled Emergency Equipment
393.9A-LSML Lighting - Side marker lamp(s) inoperative Clearance Identification Lamps/Other
May 31, 2024 2106001839 MOUNT VERNON WA II — — —
Straight Truck
ISUZU
JALC4W163K7009761
WA C69608K
March 12, 2024 0886000132 EVERETT WA III 1 — CARRIER
Straight Truck
ISUZU
54DK6S163JSG00408
WA C66144L
390.21TB2-DOT Operate a CMV without USDOT number displayed. Must be preceded by the letters USDOT
March 5, 2024 2106001632 CONWAY WA III 1 1 CARRIER
Straight Truck
ISUZU
JALC4W169P7K01578
WA D15329C
391.11B5-LNCDLNVL OOSLicense - Operate a CMV without a valid operators license, issued by one State or jurisdiction License-related: High
February 13, 2024 0844000194 EVERETT WA III 2 — CARRIER
Straight Truck
ISUZU
54DK6S163JSG00408
WA C66144L
392.2-SLLSR State/Local Laws - State registration/tag violation
392.2-SLLSR State/Local Laws - State registration/tag violation
December 11, 2023 0942000978 EVERETT WA III — — CARRIER
Straight Truck
ISUZU
54DK6S161JSG00407
WA C77041L

CarrierChk Partners

View all partners →
  • RTS Financial

    Freight Factoring · Sponsored

    Fast funding for your trucking business.

    Get a free quote
  • Your business here

    Become a CarrierChk partner

    Introduce your business to carriers.

    Explore partnership

Sponsored listings — CarrierChk may be compensated for referrals. Partner with CarrierChk →

Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 18, 2026. Verify directly on FMCSA SAFER Web.

Verify Any Carrier Free

Search any DOT or MC number for live authority status, insurance on file, and full safety history.

Search Another Carrier

This profile is built from public FMCSA records. If this is your company, you can hide your contact details or request removal of this page.