Direct answer
Routine cosmetic drywall repair often does not require a building permit, but associated structural, fire-rated, electrical, plumbing, or mechanical work may. Scottsdale explicitly lists drywall repair among permit-exempt work; Phoenix and other jurisdictions should be confirmed for the exact scope and address. Never use a cosmetic-repair exemption to conceal unpermitted electrical or other regulated work.
Paid renovation that disturbs painted surfaces in pre-1978 housing may also fall under the EPA's Lead Renovation, Repair and Painting rule. Applicability and small-area exceptions are specific, and contractors must not assume that a minor-looking patch is exempt. Confirm permit requirements with Scottsdale, Phoenix, or the applicable municipality, and confirm lead requirements through the EPA's RRP program.
Sources and technical references
Use the organizations responsible for a product, platform or standard to confirm current specifications and compatibility.
How this answer was prepared
Camelback Smart Homes publishes this FAQ library for homeowners, design professionals, builders and property teams comparing integrated technology. Answers begin with the practical conclusion, then explain the factors that can change it.
Limitations: This is general educational information, not a site-specific design, quote, code determination or compatibility guarantee. Final requirements depend on the property, construction, infrastructure, equipment versions and project goals.