What you need to know 

Provincetown allows property owners to build new attached and detached dwelling units by right in all zoning districts except S (Seashore) and M (Public Use) districts.

Construction Rules

• Number of Units Per lot:

  • Res 1 District: 1 ADU

  • Res 2 District: 2 ADUs

  • Res3, ResB, TCC and GC Districts: ADUs can be used to create up to 3 dwelling units on a lot restricted by density requirements.

• The accessory dwelling unit must be rented as a year-round rental.

• Detached units must be 600SF or less and 40% of the gross floor area if it is located within the principal residence.

• ADUs are exempt from parking requirements.

See the full text here: Zoning Ordinance, ADU rules are in multiple sections