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DIESNER CONSTRUCTION LLC
Sunnyvale, CA
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active registration · no operating authority · DOT 3400979
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
3 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
- 3 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
3400979
Safety Rating
Not Rated
Operation Classification
Private (property)
MCS-150 Filed
August 19, 2023
FMCSA Registration
February 26, 2020
Annual Mileage
5,000 mi (2022)
Contact Information
Address
1330 La Bella Avenue, Sunnyvale, CA 94087-4406
Phone
Email
Owner / Officer
Darrin Diesner
Officer 2
Marlena Diesner
Cargo Types
General FreightLogs/Poles/BeamsBuilding MaterialsMachinery/Large ObjectsUtility EquipmentConstruction MaterialsGarbage/Refuse
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
3
Driver Inspections
2
Vehicle Inspections
2
Out-of-Service Violations
0
Violations by Category
Vehicle Maintenance1
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Inspection Trend by Year
2026
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
1 of 2 inspections
Unsafe Driving
0 of 2 inspections
Hours of Service
0 of 2 inspections
Driver Fitness
0 of 2 inspections
Controlled Substances
0 of 2 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CA3
Fleet & Equipment (2)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~2
of 4 reported to FMCSA
Trailers
—
seen at inspection
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2016 Ford F-650 | Chassis / Incomplete · Class 6 | 1FDNF6DEXGDA04584 | 2 | — |
| 2011 Ford F-350 | Chassis / Incomplete · Class 2 | 1FDBF3E6XBEB78389 | 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 (3)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| March 12, 2026 | N5Y3008900 | GILROY IF, CA | I | 1 | — | DIESNER CONSTRUCTION | Straight Truck |
FORD |
1FDNF6DEXGDA04584 |
CA 37574K2 |
| 392.2-SLLSOA | State/Local Laws - State operating authority violation | |||||||||
| February 24, 2026 | UE4O000645 | GILROY IF, CA | II | 2 | — | DIESNER CONST. | Straight Truck |
FORD |
1FDBF3E6XBEB78389 |
CA 09817E2 |
| 393.60D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Windshield/ Glass/ Markings | ||||||||
| 392.2-SLLSOA | State/Local Laws - State operating authority violation | |||||||||
| July 22, 2024 | UD8N003408 | N/OF RANCHO VENTUR., CUPERTINO, CA | III | 1 | — | — | Straight Truck |
FORD |
1FDNF6DEXGDA04584 |
CA 37574K2 |
| 392.2RG | State vehicle registration or License Plate violation | |||||||||
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 27, 2026.
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