Longmont, CO Parking Rules: Driveway Rules (2026)
Key Facts
- Where it applies
- Front/side yard setback near street
- Allowed surfaces
- Asphalt, concrete, or 3" gravel
- Permeable minimum
- 60% of yard, 75% corner lots
- Code section
- IPMC § 302.3.1 (local addition)
Summary
Longmont requires any front or side yard where a vehicle is parked to be surfaced in asphalt, concrete, or at least three inches of gravel, with most of the yard kept permeable.
Section 302.3.1. Surfacing. Any required front or side yard setback adjacent to a street, on which a vehicle is driven or parked, must be surfaced with asphalt, concrete or gravel. If gravel, the parking surface must be at least three inches deep and must be kept free of vegetation and, if necessary, provide a border to prevent parking surface from spreading. At least 60 percent of any yard adjacent to a street and 75 percent for all yards adjacent to a street on a corner lot shall be maintained with a permeable surface to allow for drainage.
Full Breakdown
Longmont Municipal Code § 16.20.170 amends IPMC Section 302.3 by adding Section 302.3.1, which requires any required front or side yard setback adjacent to a street where a vehicle is driven or parked to be surfaced with asphalt, concrete, or gravel. Gravel surfaces must be at least three inches deep, kept free of vegetation, and bordered if needed to keep the gravel from spreading. At least 60 percent of any street-adjacent yard, and 75 percent of every yard on a corner lot, must remain a permeable surface that allows drainage.
Violations & Fines
Parking on bare dirt or grass within a required front or side yard setback violates § 16.20.170's surfacing requirement and is enforced as an International Property Maintenance Code violation.
Frequently Asked Questions
Can you park on gravel in a Longmont front yard?
Is there a limit on how much of a Longmont yard can be paved for parking?
Sources & Official References
Other rules in Longmont
Compare Longmont to another location·View the Colorado parking rules overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.
Driveway Rules in Nearby Cities
How other cities in Boulder County handle driveway rules.