Check with your city and assure wording matches:::
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Rough numbers about 2550 square feet are so would push you over 50 people
Over 50 people:::
303.1 Assembly Group A
Assembly Group A
occupancy includes, among others, the use of a building or structure, or a portion thereof, for the gathering of persons for purposes such as civic, social or religious functions; recreation, food or drink consumption or awaiting transportation.
303.4 Assembly Group A-3
Group A-3
occupancy includes assembly uses intended for worship, recreation or amusement and other assembly uses not classified elsewhere in Group A including, but not limited to
Gymnasiums (without spectator seating)
Under 50 people
304.1 Business Group B
Business Group B
occupancy includes, among others, the use of a building or structure, or a portion thereof, for office, professional or service-type transactions, including storage of records and accounts. Business
occupancies shall include, but not be limited to, the following:
Training and skill development not in a school or academic program (this shall include, but not be limited to, tutoring centers, martial arts studios, gymnastics and similar uses regardless of the ages served, and where not classified as a Group A
occupancy).