2 county-level rules, plus city-specific rules for 1 city in Denver County, Colorado.
Verified from official government sources
Denver requires a combination building/electrical permit for rooftop solar via the SolarAPP+ expedited portal. Permit fees start around $250. Denver adopted 2020 NEC and 2018 IRC with Denver amendments.
Colorado C.R.S. §38-30-168 and §38-32.5-100.3 prohibit HOAs from banning solar panels. Reasonable aesthetic guidelines (location, color matching) allowed. HOAs cannot require ground mounts if rooftop is feasible.
1 cities in Denver County have their own solar energy rules. Each link goes to that city's dedicated page with code citations.
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Denver County Ordinance Hub →