A-1 Delivery Co (DOT# 734452 · MC# 335316) – FMCSA Carrier Profile
DOT# 734452MC# 335316● Active
Updated monthly · 2026-03-09
This carrier is active. Review the inspection and crash data below.
A-1 Delivery Co is a registered motor carrier with the FMCSA under USDOT number 734452. The company operates from Walnut, CA and maintains an active operating status with 64 power units and 29 drivers on record.
Safety Rating
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Company Information
Address19705 E Business Parkway, Walnut, CA, 91789
Phone(909) 444-1220
Entity TypeAuthorized For Hire
OperationIntrastate (Non-Hazmat)
Power Units64(Medium carrier)
Drivers29
MCS-150 FiledMarch 22, 2001
Inspection Summary
All-time Inspections
All-time29
Total
4
OOS
1
Driver OOS
3
Vehicle OOS
29 inspections reflects moderate road activity.
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service. 13.8% — approaching the national vehicle OOS average of ~21%.
Crash History
Crash Records
All-time1
Total
0
Fatal
0
Injuries
0
Tow-Away
1 crash recorded. Low count, but crash data should always be reviewed alongside inspection history.
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Frequently Asked Questions
What is USDOT Number 734452?
USDOT number 734452 is assigned to A-1 Delivery Co, an active motor carrier registered with the FMCSA, based in Walnut, CA.
How many inspections has A-1 Delivery Co had?
A-1 Delivery Co has recorded 29 total inspections with 4 out-of-service orders, representing an OOS rate of 13.79%.
Where is A-1 Delivery Co located?
A-1 Delivery Co is headquartered at 19705 E Business Parkway, Walnut, CA 91789.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.
What is the MC number for A-1 Delivery Co?
The MC number for A-1 Delivery Co is MC# 335316. The MC number is issued by the FMCSA and authorizes carriers to operate in interstate commerce.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 734452 · Last updated: 2026-03-09. View official FMCSA record →