Accessory Structures in Arvada, CO (2026)
5 verified accessory structures rules for Arvada, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Arvada allows accessory dwelling units on single-family lots. The city encourages ADUs near G-Line commuter rail stations as part of transit-oriented development plans along the Gold Line corridor.
Arvada ADU / Accessory Dwelling Rules
Some RestrictionsShed Rules
Arvada allows small sheds without permits (typically under 120 to 200 sq ft). Larger structures need building permits. Setback requirements apply.
Arvada Shed & Outbuilding Rules
Few RestrictionsGarage Conversions
Arvada may allow garage conversions with permits. Colorado has no statewide garage conversion mandate. Replacement parking may be required.
Arvada Garage Conversion Rules
Some RestrictionsCarport Rules
Arvada requires permits for carport construction. Setback requirements, height limits, and lot coverage maximums apply.
Arvada Carport Construction Rules
Some RestrictionsTiny Homes
Arvada regulates tiny homes differently based on whether they are on a permanent foundation or on wheels. Zoning and minimum square footage requirements apply.
Arvada Tiny Home & Small Dwelling Rules
Some RestrictionsLooking for Jefferson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Arvada city rules.
Accessory Structures in Jefferson County →