Are There Building Codes for Residential Saunas? The Bottom Line on Permits, Electrical Rules, and Safety

https://www.re-thinkingthefuture.com/technologies/gp6468-the-thermal-module-specifying-outdoor-saunas-as-essential-wellness-infrastructure-in-luxury-architecture/

Short answer: yes — residential saunas are governed by building, electrical, and safety regulations, but those rules are applied through broader codes rather than a single “sauna code