Twin Falls building inspections

Applies to: Commercial Tenant Improvement (TI) / Remodel / Change of Occupancy Permit

1. 1

   Rough-In (Mechanical / Electrical / Plumbing, as scoped)

   Any MEP work included in the TI scope must be inspected before walls are closed, per the same framework documented in the MEP permit entries

2. 2

   Framing / Structural

   Required only if the TI scope includes structural work; accessibility standards (ICC A117.1-2009) and required load paths verified per the commercial inspection checklist

3. 3

   Fire (Alarm / Sprinkler / Kitchen Hood, if affected by the TI scope)

   Fire alarm and sprinkler plans affected by the TI must be pre-approved by the State Fire Marshal before installation/inspection; kitchen hood suppression trip test required where a hood system is added or altered. Call the Fire Marshal at (208) 735-7232

4. 4

   Engineering (only if new water/sewer connection or exterior site work is part of the TI scope)

   Right-of-way, storm water, and site inspections apply only when the TI includes a new water or sewer connection or exterior site changes; call the Engineering inspection line at (208) 735-3446, before 7:30 AM for same-day service

5. 5

   Planning & Zoning (Landscaping / Trash Enclosures, if affected)

   Applies only if the TI scope affects landscaping or trash enclosures; both must be complete before a TCO/final can be issued if within scope

6. 6

   Final (Building) / Certificate of Occupancy

   All applicable plumbing, electrical, and mechanical final inspections must pass before requesting the building final; all City departments with in-scope items must sign off before the Building Official signs the Certificate of Occupancy

Applies to: Residential New Home Building Permit

1. 1

   Foundation/Footing

   Concrete inspections require property lines marked with string, minimum depth of 12 inches, and construction per City-approved plans; AM (8am-12pm) or PM (1pm-4pm) slot requested

2. 2

   Rough-In (Mechanical, Electrical, Plumbing, Fireplace, Shear, Fire Alarm/Sprinkler)

   All rough-in inspections for MEP, fireplace, shear, fire alarm, and fire sprinklers must be completed and signed off, with windows/doors sealed and penetrations fire-blocked, before a framing inspection can be requested

3. 3

   Framing

   Requested after all rough-in inspections are signed off on the inspection card

4. 4

   Final (Building, MEP, Firewall, Fire Sprinklers)

   All final inspections for mechanical, electrical, plumbing, firewall, and fire sprinklers must be completed and signed off before requesting a building final; Certificate of Occupancy processed within 3 business days of a passed final

Applies to: Plumbing Permit (MEP)

1. 1

   Underground/Slab

   Before concrete pour — verify pipe slope, materials, and cleanouts

2. 2

   Rough-In

   After pipes installed, before walls closed; must be signed off before a framing inspection can be requested

3. 3

   Final

   All fixtures connected, water heater verified, cleanouts exposed, no leaks; must be signed off before a building final inspection can be requested

Applies to: Residential Addition / Interior Remodel Permit

1. 1

   Footing/Foundation

   Required before concrete pour for addition footings; priority scheduling, AM or PM slot

2. 2

   Rough-In

   Mechanical/electrical/plumbing rough-in and framing connections to the existing structure

3. 3

   Final

   All work complete per approved plans; final MEP inspections signed off before building final

Applies to: Residential Detached Accessory Building Permit (Shed, Garage, Deck, Pool)

1. 1

   Foundation/Footing

   Before concrete pour; required expanded footing dimensions, reinforcement type/size/location, and hold-downs verified per plans

2. 2

   Framing

   Wall bracing, truss layout, header locations verified; all rough-in inspections for any MEP work must be signed off first

3. 3

   Final / Certificate of Completion

   Completed structure verified against approved plans; a Certificate of Completion is issued after all inspections pass

Applies to: Demolition Permit

1. 1

   Pre-Site-Clearance

   Confirmation that utilities have been disconnected/abandoned and, where applicable, concrete removal/compaction requirements are met before final sign-off

2. 2

   Final

   Site verified complete per approved demolition application and applicable ordinances

Applies to: Electric Vehicle (EV) Charger / Charging Station Permit

1. 1

   Rough-In

   EV charger circuit wiring and box placement before walls are closed, per the same framework documented in the Electrical Permit entry.

2. 2

   Final

   Charger installed and connections verified.

Applies to: Electrical Permit (MEP)

1. 1

   Rough-In

   Wiring, box placement, and service connections before walls are closed; must be signed off before a framing inspection can be requested

2. 2

   Final

   Devices installed, panel labeled, protections verified per 2023 NEC; must be signed off before a building final inspection can be requested

Applies to: Mechanical / HVAC Permit (MEP)

1. 1

   Rough-In

   Ductwork and mechanical equipment rough-in before walls closed; must be signed off before framing inspection

2. 2

   Final

   Equipment operational, clearances and combustion air verified; must be signed off before building final inspection

Applies to: Solar Photovoltaic (PV) Permit

1. 1

   Rough Electrical

   Conduit runs, wire sizing, and disconnect placement before energizing

2. 2

   Final

   Panel mounting, racking attachment, roof penetration sealing, electrical connections, and interconnection point verified; for Expedited permits, plans must be onsite and a short review occurs at this inspection

Final inspection only: Fence Permit, Re-Roofing Permit