Sectors

Eleven building types, each with its own code path.

Occupancy classification comes first, because egress, fire separation, structure and MEP all follow from it.

01 R-3

Custom homes, ADUs, additions and remodels.

02 R-2

Apartments, condominiums and mixed-use residential.

03 B

Offices, tenant improvements and core-and-shell buildings.

04 M

Storefronts, shopping centers and multi-site rollouts.

05 A-2

Dining rooms, commercial kitchens, hoods and grease ducts.

06 S-1

Tilt-up and pre-engineered metal buildings, mezzanines.

07 F-1

Process buildings, equipment pads and structural steel.

08 B / I-2

Clinics, medical offices and outpatient suites.

09 Educational

Classrooms, modular buildings and campus upgrades.

10 Varies

Municipal buildings, public works and agency facilities.

11 R-1

Hotels, motels and extended-stay conversions.