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MASON TRUCKING CO INC
Aberdeen, WA
CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
38.9% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 92% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
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FMCSA status: Active & Authorized · DOT 573036 · MC 277792
Satisfactory
Active 31 yrs, 10 mo
Broker Vetting Summary
Key signals from current FMCSA records
Authority
Active
MC-277792 · Common carrier
Insurance
On File
American Forest Casualty Company Rrg
Safety
Satisfactory
38.9% OOS · 59 inspections on record
Flags · 1
Elevated Out-of-Service Rate
38.9% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 92% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
- Operating authority active for 31 yrs, 10 mo
- Insurance on file: $2,000,000
- FMCSA safety rating: Satisfactory
- Vehicle out-of-service rate 56.5% — above the 20.7% national average
- 59 FMCSA inspections on record
Authority & Compliance
Authority, insurance and required filings
Operating Authority
MC277792
Common Carrier
Insurance on File
AMERICAN FOREST CASUALTY COMPANY RRG
BI&PD · $2,000,000 · Policy AFC040650-25
LANDMARK AMERICAN INSURANCE COMPANY
Cargo · $0 · Policy LHD335710
Required Filings
Liability (BIPD)
$2,000,000
Cargo
On file
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
573036
MC Number
MC-277792
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Authorized for hire
MCS-150 Filed
June 16, 2026
FMCSA Registration
August 26, 1994
Authority Granted
November 10, 1994
Annual Mileage
235,751 mi (2025)
Contact Information
Address
200 Myrtle Street, Aberdeen, WA 98520
Phone
Email
Owner / Officer
Sean James Mason
Cargo Types
General FreightLogs/Poles/BeamsMachinery/Large ObjectsGrain/FeedPaper Products
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
59
Driver Inspections
27
Vehicle Inspections
39
Out-of-Service Violations
31
Violations by Category
Vehicle Maintenance114
Unsafe Driving6
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate6.3% · national avg 5.5%
⚠ Above national average (0.8pp higher)
Vehicle OOS Rate56.5% · national avg 20.7%
⚠ Above national average (35.8pp higher)
38.9% of 36 inspections in the last 24 months put a driver or vehicle out of service —
92nd percentile among carriers with 25–99 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
24 of 27 inspections
Unsafe Driving
5 of 41 inspections
Hours of Service
0 of 41 inspections
Driver Fitness
2 of 41 inspections
Controlled Substances
0 of 41 inspections
Crash History (3)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
3
Crashes
0
Fatalities
1
Injuries
3
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| September 22, 2025 | WA | — | — | Yes | No Adverse Conditions · Dark - Lighted · Dry |
| May 29, 2025 | WA | — | 1 | Yes | Rain · Other · Wet |
| April 9, 2025 | WA | — | — | 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
WA41
OR3
Fleet & Equipment (31)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~16
of 8 reported to FMCSA
Trailers
~15
seen at inspection
Equipment types observed
Tractor
12
Semi-trailer
6
Truck
4
Flatbed
3
Crib Log Trailer
1
Logging
1
Other Trailer
1
Pole Trailer
1
Specialty Trailer
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKNGLBG9FSGS5484 | 7 | 3 |
| 2002 Fruehuaf | Flatbed · 53 ft | 1JJF534F42S784161 | 6 | 3 |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKNGLBG0FSGS5485 | 6 | 3 |
| 2014 Western Trailer Company | Flatbed · 53 ft | 5DN115343EB000641 | 6 | 3 |
| Fruehauf | Semi-trailer | FRY671407 | 6 | 3 |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKNGLBG7FSGS5483 | 5 | 2 |
| Wilson Tra | Semi-trailer | 4WWGGE0U28N613468 | 4 | 1 |
| Unknown | Crib Log Trailer | 1L9L02623J1104599 | 3 | — |
| 2019 Peterbilt 567 | Truck · Class 8 | 1NPCXPEX1KD276117 | 3 | — |
| 2018 Peterbilt 567 | Truck · Class 8 | 1NPCXPEX4JD452463 | 3 | — |
Show all 31 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2018 Peterbilt 367 | Truck · Class 8 | 1NPTX4EX3JD491348 | 3 | 1 |
| Whitehaul | Semi-trailer | 1W9011102ESW14077 | 3 | — |
| 2018 Whit-log Whit-Log, Inc. | Logging | 1W9W1L122JW110073 | 3 | 1 |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKNGLBG3FSGS5481 | 3 | 2 |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKNGLBG5FSGS5482 | 3 | 1 |
| Unpublishe | Pole Trailer | 1B9LL09217T230173 | 2 | 2 |
| 2016 Kenworth T880 | Truck · Class 8 | 1NKZXP0X3GJ127532 | 2 | 2 |
| 2020 Trail King Industries | Specialty Trailer · 51 ft | 1TKH05130LM115292 | 2 | 1 |
| 2007 Kenworth T8 Series | Tractor · Class 8 | 1XKDDB0X97R209312 | 2 | 1 |
| 2001 Manac Manac Trailer | Flatbed · 52 ft | 2M514161111078693 | 2 | 1 |
| 2015 Freightliner Cascadia | Tractor · Class 8 | 3AKNGLBG1FSGS5480 | 2 | — |
| Western Tr | Semi-trailer | 1C917U800V0112357 | 1 | — |
| 2012 Freightliner Cascadia | Tractor · Class 8 | 1FUNGLDR2CSBS3220 | 1 | 1 |
| 2017 General Trailer | Other Trailer · 45 ft | 1G9DAM08XHA008064 | 1 | — |
| Lufkin | — | 1L01B533631151734 | 1 | — |
| 1996 Kenworth T800 | Tractor · Class 8 | 1XKDD20X3TS722493 | 1 | — |
| 1994 Kenworth T800 | Tractor · Class 8 | 1XKDP4TX6RR382769 | 1 | — |
| 2016 Peterbilt 579 | Tractor · Class 8 | 1XPBPP9X2GD334724 | 1 | — |
| Unpublishe | Semi-trailer | 2A9LB6536PS037094 | 1 | — |
| Casa Manan | Semi-trailer | 2BGM0825311078691 | 1 | — |
| 2017 Freightliner Cascadia | Tractor · Class 8 | 3AKNGEDR4HSJG4376 | 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 (59)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| September 17, 2026 | 0789000187 | MONTESANO WA | III | 5 | — | WEYERHAEUSER | Truck Tractor Trailer |
PETERBILT WHIT-LOG |
1NPTX4EX3JD491348 1W9W1L122JW110073 |
WA D90985E WA 58623AJ |
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA1 | State/Local Laws - Excessive weight - 1-2500 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLEWA2 | State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups | |||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| September 15, 2026 | 2112001872 | ARTIC WA | III | — | — | WEYERHAUSER | Straight Truck Crib Log Trailer |
PETERBILT UNKNOWN |
1NPCXPEX1KD276117 1L9L02623J1104599 |
WA D90725E WA 71316AJ |
| September 15, 2026 | 2172000618 | RIDGEFIELD WA | III | 1 | — | — | Truck Tractor Semi-trailer |
FREIGHTLINER MANAC |
3AKNGLBG0FSGS5485 2M514161111078693 |
WA C51947S WA 79317AJ |
| 392.2-SLLIFTA | State/Local Laws - State tax/International Fuel Tax (IFTA) violation | |||||||||
| August 31, 2026 | 2112001832 | ABERDEEN WA | III | 1 | — | BASCOM PACIFIC LLC | Straight Truck Semi-trailer |
PETERBILT WHITEHAUL |
1NPCXPEX4JD452463 1W9011102ESW14077 |
WA D84833G WA 33329AL |
| 392.2-SLLED | State/Local Laws - Excessive dimension (width/height/length) | |||||||||
| July 31, 2026 | X803003683 | LAKEWOOD WA | II | 6 | 1 | CARRIER | Truck Tractor Semi-trailer |
KENWORTH TRAIL KING INDUSTRIES |
1XKDDB0X97R209312 1TKH05130LM115292 |
WA B19071A WA 3716XY |
| 393.100B-C | OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Improper Load Securement | ||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | Inspection Reports | ||||||||
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | Clearance Identification Lamps/Other | ||||||||
| 393.9A-LHLI | Lighting - Headlamp(s) - Any inoperative | Lighting | ||||||||
| April 24, 2026 | 2112001567 | SHELTON WA | III | — | — | RAYONIER | Straight Truck Semi-trailer |
PETERBILT WHITEHAUL |
1NPCXPEX4JD452463 1W9011102ESW14077 |
WA D84833G WA 33329AL |
| April 15, 2026 | 1142009852 | SHELTON WA | III | 1 | — | GREEN DIAMOND | Straight Truck Trailer |
PETERBILT WHIT-LOG |
1NPTX4EX3JD491348 1W9W1L122JW110073 |
WA D90985E WA 58623AJ |
| 392.2-SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Speeding 2 | ||||||||
| April 3, 2026 | 0001387583 | COSMOPOLIS WA | III | 1 | — | — | Straight Truck Semi-trailer |
PETERBILT WHITEHAUL |
1NPCXPEX4JD452463 1W9011102ESW14077 |
WA D84833G WA 33329AL |
| 392.16-D | Driver - Failed to use seat belt while operating a CMV | Seat Belt | ||||||||
| April 3, 2026 | 0001387582 | HOQUIAM WA | III | 1 | — | — | Truck Tractor Semi-trailer |
KENWORTH UNPUBLISHE |
1XKDP4TX6RR382769 2A9LB6536PS037094 |
WA D12159E WA 2796RZ |
| 392.16-D | Driver - Failed to use seat belt while operating a CMV | Seat Belt | ||||||||
| December 22, 2025 | 2112001305 | MONTESANO WA | II | 2 | 1 | WEYERHAEUSER | Straight Truck Trailer |
KENWORTH UNPUBLISHE |
1NKZXP0X3GJ127532 1B9LL09217T230173 |
WA D43537F WA 97739AK |
| 393.9A-LTSI | OOSLighting - Turn signal - Any inoperative on the rearmost vehicle. | Lighting | ||||||||
| 392.2-SLL | State/Local Laws - | |||||||||
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 |
|---|---|---|
| ALTA FOREST PRODUCTS | 8 | October 30, 2025 |
| WEYERHAEUSER | 4 | September 17, 2026 |
| RAYONIER | 4 | April 24, 2026 |
| SIERRA PACIFIC | 4 | March 26, 2025 |
| WEYERHAUSER | 2 | September 15, 2026 |
| INTERFOR | 2 | November 7, 2025 |
| ALTA | 2 | July 28, 2025 |
| HAMPTON LUMBER | 2 | April 17, 2025 |
| TAIGA BUILDING PRODUCTS | 2 | November 4, 2024 |
| BASCOM PACIFIC LLC | 1 | August 31, 2026 |
| GREEN DIAMOND | 1 | April 15, 2026 |
| AMERICAN FOREST | 1 | December 11, 2025 |
13 more shippers named at fewer inspections.
History & Filings
Authority, insurance and process-agent records
Authority History
| Date | Status | Type |
|---|---|---|
| December 13, 2005 | INVOLUNTARY REVOCATION | Common |
| August 9, 2004 | INVOLUNTARY REVOCATION | Common |
| November 10, 1994 | GRANTED | Common Carrier |
Insurance & Revocation Filings
| Date | Type | Status |
|---|---|---|
| July 15, 2025 | BI&PD Primary/Excess | On file |
| July 15, 2004 | Cargo | On file |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 28, 2026.
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