Accessory Structures in Westminster, CO (2026)
5 verified accessory structures rules for Westminster, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Westminster regulates ADUs through local zoning. Colorado HB 24-1152 requires certain municipalities to allow ADUs. Rules vary by city.
Westminster ADU / Accessory Dwelling Rules
Some RestrictionsShed Rules
Westminster allows small sheds without permits (typically under 120 to 200 sq ft). Larger structures need building permits. Setback requirements apply.
Westminster Shed & Outbuilding Rules
Few RestrictionsGarage Conversions
Westminster may allow garage conversions with permits. Colorado has no statewide garage conversion mandate. Replacement parking may be required.
Westminster Garage Conversion Rules
Some RestrictionsCarport Rules
Westminster requires permits for carport construction. Setback requirements, height limits, and lot coverage maximums apply.
Westminster Carport Construction Rules
Some RestrictionsTiny Homes
Westminster regulates tiny homes differently based on whether they are on a permanent foundation or on wheels. Zoning and minimum square footage requirements apply.
Westminster Tiny Home & Small Dwelling Rules
Some RestrictionsLooking for Adams County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Westminster city rules.
Accessory Structures in Adams County →