Longmont, CO Parking Rules: Commercial & Oversized Vehicles (2026)
Key Facts
- Residential streets
- No parking except loading/unloading
- Nonresidential limit
- 72 consecutive hours
- Weight-route rule
- 7,000 lb trucks need posted route
- Violation type
- Civil parking infraction
Summary
Longmont bars parking semitrailers and truck-tractors on residential streets except while loading or unloading, and limits any truck left on a nonresidential street to 72 consecutive hours.
It is unlawful to: 1. Leave or park any semitrailer and truck-tractor, or either of them, in or at the side of any residential street or residential property, except during the expeditious loading or unloading of property; 2. Leave any truck, truck-tractor or semitrailer in any nonresidential public street or at the side of any street, or on any public property or thoroughfare for over 72 consecutive hours, except that pickup trucks rated at one ton or less shall be subject to the parking regulation applicable to passenger motor vehicles.
Full Breakdown
Longmont Municipal Code § 11.32.030.B makes it unlawful to leave or park a semitrailer or truck-tractor on or beside a residential street or residential property, except during expeditious loading or unloading. On nonresidential streets, no truck, truck-tractor, or semitrailer may sit for more than 72 consecutive hours, though pickups rated one ton or less follow ordinary passenger-vehicle parking rules. Separately, § 11.32.010 bars driving any truck or commercial vehicle over 7,000 pounds empty weight on a city street not posted as a truck route. Violations are civil parking infractions processed under chapter 11.16.
Violations & Fines
Parking a semitrailer or truck-tractor on a residential street outside active loading/unloading, or leaving any commercial truck on a nonresidential street past 72 hours, is a civil parking infraction under chapter 11.16.
Frequently Asked Questions
Can I park my semi-truck in front of my Longmont house?
How long can a commercial truck sit on a nonresidential Longmont street?
Sources & Official References
Other rules in Longmont
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Commercial & Oversized Vehicles in Nearby Cities
How other cities in Boulder County handle commercial & oversized vehicles.