Ramsey John2026-06-04T14:39:20+00:00Key Takeaways:
The structural shell of a wellness room addition runs $250–$600 per square footin 2026, meaning the room itself costs $40,000–$150,000 before any wellness features are installed.
Labor eats 40–60% of your total budget— often $28,000–$42,000 on an average project — making contractor selection one of the highest-leverage decisions you'll make.
Wellness features vary wildly in cost: infrared saunas start around $5,000 installed, while custom steam rooms, cold plunges, and full spa buildouts can add $30,000–$50,000+ on top of...