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KERKSTRA PORTABLE RESTROOM SERVICE INC
Hudsonville, MI
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active registration · no operating authority · DOT 1663862
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
5 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
- 5 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
1663862
Safety Rating
Not Rated
Operation Classification
Private (property)
MCS-150 Filed
February 4, 2026
FMCSA Registration
July 9, 2007
Annual Mileage
700,000 mi (2025)
Contact Information
Address
8507 48th Ave, Hudsonville, MI 49426
Phone
Email
Owner / Officer
Brian Knoper
Cargo Types
Other Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
5
Driver Inspections
5
Vehicle Inspections
1
Out-of-Service Violations
1
Violations by Category
Vehicle Maintenance2
Unsafe Driving1
Hours of Service0
OOS Rates vs. National Average
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.
Unsafe Driving
1 of 3 inspections
Hours of Service
0 of 3 inspections
Driver Fitness
0 of 3 inspections
Controlled Substances
0 of 3 inspections
Crash History (2)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
2
Crashes
0
Fatalities
0
Injuries
2
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| September 29, 2025 | MI | — | — | Yes | No Adverse Conditions · Daylight · Dry |
| October 17, 2024 | MI | — | — | Yes | No Adverse Conditions · Dawn · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
MI4
Fleet & Equipment (5)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~4
of 33 reported to FMCSA
Trailers
~1
seen at inspection
Equipment types observed
Chassis / Incomplete
3
Not Applicable
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2012 Ford F-550 | Chassis / Incomplete · Class 5 | 1FD0X5HT8CEC57014 | 1 | — |
| 2021 Ford F-600 | Not Applicable · Class 6 | 1FDFF6KT5MDA11542 | 1 | — |
| 2024 Ford F-550 | Chassis / Incomplete · Class 5 | 1FDUF5GN7RDA02246 | 1 | 1 |
| 2018 Ford F-550 | Chassis / Incomplete · Class 5 | 1FDUF5GTXJDA04124 | 1 | — |
| Quic | — | 1K9BF2220PS284051 | 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 (5)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| August 11, 2026 | WASCC01484 | MI, MI | III | 1 | — | SA CARRIER | Straight Truck |
FORD |
1FDFF6KT5MDA11542 |
MI BC99361 |
| 392.2-SLLEQP | State/Local Laws - Violation of state and local law - Equipment violation. | |||||||||
| June 18, 2025 | DISCD02667 | DALTON TWP, MI | III | 1 | — | SAC | Straight Truck |
FORD |
1FDUF5GTXJDA04124 |
MI BD48187 |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | |||||||||
| March 27, 2025 | WASCC00905 | SB HAWLEY HWY NEAR SCOTTS RD, MI | III | 1 | — | SA CARRIER | Straight Truck |
FORD |
1FD0X5HT8CEC57014 |
MI BC96748 |
| 392.2-SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Speeding 4 | ||||||||
| May 7, 2024 | STRAL02970 | E/B, MI | I | 5 | 1 | SAC | Straight Truck Semi-trailer |
FORD QUIC |
1FDUF5GN7RDA02246 1K9BF2220PS284051 |
WI D8097DE MI E830444 |
| 393.43 | OOSNo/improper breakaway or emergency braking | Brakes All Others | ||||||||
| 390.21TB | Carrier name and/or USDOT Number not displayed as required | |||||||||
| 396.17C | Operating a CMV without proof of a periodic inspection | Inspection Reports | ||||||||
| 390.19B2-BIENNIAL | Motor Carrier failed to file biennial FMCSA registration update as required | |||||||||
| 392.2UCR | Failure to pay UCR Fee | |||||||||
| December 8, 2023 | OWENP01209 | M6 WB @ BYRON CENTER, MI | III | 1 | — | — | Straight Truck |
FORD |
1FDFF6KT5MDA11542 |
MI BC99361 |
| 392.2MI | Miscellaneous Traffic Law Violation | |||||||||
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 27, 2026.
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