According to FMCSA records, Zum Services INC (DOT# 3373523) in San Francisco, California has 4,196 inspections on record with 686 violations and a 3.8% vehicle out-of-service rate and 53 crashes. Safety grade: A (excellent safety record). Active common authority.
4,196Inspections
3.8%Vehicle OOS Rate
53Crashes
2,959Power Units
Out-of-Service Rates vs. National Average
An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.
Vehicle OOS Rate3.8%
Carrier: 3.8% (159 of 4,196)National: 23.2%
Driver OOS Rate0.0%
Carrier: 0.0% (0 of 4,196)National: 6.4%
71%OOS rate better than 71% of carriers in California
20%crash rate better than 20% of carriers in California
Violation Categories · 686 total violations
FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.
686total violations across 4,196 inspections
161violations resulted in out-of-service orders (23%)
Vehicle Maintenance
491
Unsafe Driving
189
Hours of Service
3
Other
3
Inspection History · 100 records
FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.
Inspected across 7 states: CA, MD, MO, NE, PA, US, WA
FMCSA operating authority permits interstate for-hire transportation. Carriers must maintain minimum insurance coverage levels to keep authority active. BIPD (bodily injury and property damage) insurance is required for all for-hire carriers.
MC/MX NumberMC1545842
Common AuthorityActive
Contract AuthorityN
Broker AuthorityN
BIPD InsuranceNot On File
Cargo InsuranceNot On File
Surety BondNot On File
Type
Insurer
Coverage
Effective
BIPD/Excess
Gemini Insurance Company
$3,000
09/26/2025
BIPD/Primary
Zsi Insurance Co Risk Retention Group INC
$2,000
09/26/2025
Fleet Profile
Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.