Wolf Line Construction Company
143
Power Units
168
Drivers
Est. 2016 (9 yrs)
Authority Age
Not Rated
Safety Rating
Company Overview
WOLF LINE CONSTRUCTION COMPANY is an active carrier & broker registered with the FMCSA since October 2016. Based in CASTLE ROCK, WA, They are classified as Interstate and operate interstate (beyond 100 miles). Their inferred equipment specializations include Dump Truck and Box Truck.
Equipment Analysis
Based on FMCSA cargo authorization flags and fleet composition data, Wolf Line Construction Company appears to operate the following equipment types:
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Fleet Breakdown
| Equipment | Owned | Term Leased | Trip Leased | Total |
|---|---|---|---|---|
| Trucks | 71 | 72 | 0 | 143 |
| Trailers | 97 | 0 | 0 | 97 |
Authorized Cargo Types
Wolf Line Construction Company is authorized to transport the following 1 cargo type:
Operations Scope
CDL Drivers: 96
MCS-150 Mileage: 1,800,000 miles (2024)
Driver Information
168
Total Drivers
96
CDL Drivers
168
Interstate Drivers
Dispatch Services in WA
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Verify on Official Sources
Cross-reference this carrier's data with official FMCSA systems:
Safety Performance
Average
Near national average
O Trucking Safety Grade
6
Inspections
24 months
6
Violations
Total found
0
Out of Service
Orders issued
Out-of-Service Rates vs National Average
✓ Better than national average (-7.0%)
✓ Better than national average (-21.5%)
| Date | State | Level | Violations | OOS |
|---|---|---|---|---|
| 03/09/2026 | MI | Driver Only | 1 | ✓ |
| 11/04/2025 | MI | Driver Only | 1 | ✓ |
| 08/06/2025 | MI | Driver Only | 0 | ✓ |
| 07/30/2025 | MI | Driver Only | 0 | ✓ |
| 08/05/2024 | IL | Driver Only | 1 | ✓ |
| 07/24/2024 | MI | Driver Only | 3 | ✓ |
Inspection data from FMCSA (24-month window). Updated daily. View full inspection history on FMCSA →
Violation Breakdown
Crash History
3
Total Crashes
1
Fatalities
2
Injuries
2
Tow-Aways
| Date | State | Location | Fatal | Injuries | Tow |
|---|---|---|---|---|---|
| 02/24/2026 | TX | DALLAS, TX | 0 | 1 | No |
| 02/17/2025 | MI | Custer Twp, MI | 0 | 0 | Yes |
| 01/29/2025 | MI | BAGLEY TWP, MI | 1 | 1 | Yes |
Crash data from FMCSA. Does not include driver information per federal privacy requirements. View full crash report on FMCSA →
Frequently Asked Questions
What equipment does WOLF LINE CONSTRUCTION COMPANY operate?
Based on their FMCSA cargo classifications and fleet data, WOLF LINE CONSTRUCTION COMPANY is inferred to operate: Dump Truck and Box Truck.
Is WOLF LINE CONSTRUCTION COMPANY's authority currently active?
WOLF LINE CONSTRUCTION COMPANY currently holds active operating authority with the FMCSA.
How long has WOLF LINE CONSTRUCTION COMPANY been in business?
WOLF LINE CONSTRUCTION COMPANY has been registered with the FMCSA since October 2016, making their authority approximately 9 years, 6 months old.
Where is WOLF LINE CONSTRUCTION COMPANY located?
WOLF LINE CONSTRUCTION COMPANY is physically located at 185 STANKEY RD, CASTLE ROCK, WA 98611-9721.
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