City Statistics

Active Trucking Companies
in San Marcos, CA

467 active carriers, brokers & freight companies. Located in San Diego County.

San Marcos, CA FMCSA data • updated weekly 0.17% of California
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467
Active Trucking Companies
0.17% of all active carriers in California
18
New FMCSA Registrations (24 Mo.)
Avg 0.8 new companies per month (-36.4% YoY)
1
Median Fleet Size
Power units at the midpoint of all reporting companies
69.1%
Owner-Operator Rate
vs. 77.7% statewide in California
New FMCSA Registrations
123 Oct '22Oct '23Oct '24Oct '25Sep '26
31
Total
0.6
Avg / month
3
Best: Aug 2024
0
Lowest: Oct 2022
Company Size Distribution
194
Reporting
Fleets
1 Power Unit 134 69.1%
2–5 Units 46 23.7%
6–20 Units 10 5.2%
21–100 Units 4 2.1%
101+ Units 0 0.0%

Based on total power units reported to FMCSA. Median: 1 unit(s).

Company Age Distribution
10.1
Avg age
(years)
0–2 Years 24 5.2%
3–5 Years 25 5.4%
6–10 Years 77 16.5%
11–20 Years 332 71.2%
20+ Years 8 1.7%

Based on FMCSA registration date. Average age: 10.1 years.

Company Authority Types
Carrier 451 96.6%
Broker 12 2.6%
Shipper 9 1.9%
Freight Forwarder 8 1.7%

A company may hold multiple authority types simultaneously.

Top 10 Cargo Types
# Cargo Type Companies % of City
1 Other 371 79.4%
2 General Freight 77 16.5%
3 Construction 25 5.4%
4 Household Goods 17 3.6%
5 Fresh Produce 9 1.9%
6 Beverages 8 1.7%
7 Refrigerated Food 8 1.7%
8 Machinery & Large Objects 8 1.7%
9 Motor Vehicles 6 1.3%
10 Garbage & Refuse 6 1.3%

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Data source: U.S. Federal Motor Carrier Safety Administration (FMCSA) — active carrier registrations. Last updated: August 26, 2026. Active status reflects carriers with FMCSA status code "A" at the time of data collection.