How much does it cost to open a day spa?

A day spa typically costs $100,000 to $350,000 to open, with the wide range driven by location, number of treatment rooms, and level of build-out. A small 2-3 room spa in a suburban strip mall can open for $80,000-$120,000, while a luxury urban spa with wet rooms and saunas can exceed $300,000.

How many treatment rooms does a new spa need?

Most new spas start with 3-5 treatment rooms to balance capacity with overhead costs. Each room costs $5,000-$15,000 to equip and build out. You want enough rooms to keep therapists busy during peak hours without paying for unused space during slow periods.

Is owning a spa profitable?

Spas can be profitable with net margins of 10-18% once established. The average day spa generates $300,000-$800,000 in annual revenue. Profitability depends heavily on keeping therapist utilization above 60% and selling retail products, which carry 40-50% margins.

Spa Startup Cost Comparison

Hilo, HI vs Houston, TX

Hilo, HI

$99,000 - $374,000

COL Index: 170.5

Houston, TX

$83,000 - $319,000

COL Index: 96.5

Detailed Cost Comparison

Expense	Hilo, HI	Houston, TX	Difference
Business Registration & Licenses	$2,000 - $8,500	$1,900 - $6,200	+30%
Commercial Lease (First + Last + Security)	$11,300 - $56,700	$12,300 - $61,600	-8%
Spa Equipment & Furnishings	$20,000 - $80,000	$20,000 - $80,000	Same
Initial Product & Supplies Inventory	$5,000 - $20,000	$5,000 - $20,000	Same
Interior Build-Out & Ambiance Design	$28,800 - $103,500	$23,000 - $82,800	+25%
Business Insurance (Annual)	$3,000 - $8,000	$3,000 - $8,000	Same
Marketing & Launch	$3,000 - $12,000	$3,000 - $12,000	Same
Working Capital (3 Months)	$25,600 - $85,300	$14,500 - $48,300	+77%
Total Estimated Cost	$99,000 - $374,000	$83,000 - $319,000	+18%

Local Market Factors

Factor	Hilo	Houston
Cost of Living Index	170.5	96.5
Commercial Rent ($/sqft/yr)	$18 - $40	$18 - $45
Labor Rate Index	1.15	0.92
Sales Tax	4.5%	8.25%
Minimum Wage	$14.00/hr	$7.25/hr
LLC Filing Fee	$50	$300

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