Carports are accessory structures under the Boulder County Land Use Code and must meet the zoning district's setbacks and height limits. Because a carport lacks two rigid walls, the code treats it differently from enclosed buildings in floodplains, where it may be built at grade with flood-resistant materials. Most carports
The Land Use Code classifies a carport as an accessory structure that 'does not have at least two rigid walls.' In the Floodplain Overlay District such structures may be constructed at grade but must use flood-resistant materials up to the flood protection elevation, rather than being elevated like a fully enclosed garage. Outside floodplains, a carport must still comply with the zoning district's yard setbacks, height limits, and lot-coverage standards, and generally requires a building permit because it is a permanent roofed structure attached to or serving the dwelling. A carport may not be enclosed and used as habitable space without meeting accessory-dwelling or residential building requirements.
A carport built inside a required setback, over the height limit, or without a permit is a zoning violation; the county can require relocation, removal, or permitting and assess fines under Article 4-1300.
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