Nampa building inspections
VerifiedInspection sequence, scheduling, and re-inspection fees for building permits in Nampa, Idaho.
Verified 2026-06-29 · Source
How to schedule
Inspections are requested through the building department below.
- Address
- 500 12th Ave South, Nampa, ID 83651
- Phone
- (208) 468-5435
- Office hours
- Mon–Fri 8:00 AM – 5:00 PM
- Website
- Official site
Published scheduling rules
- All inspections must be requested through CSS before 12:00 AM the prior day for next-business-day scheduling. (Residential Building Permit (New Construction))
- Schedule inspections through the CSS portal before 12:00 AM the prior day. Inspection line: (208) 468-5404. (Residential Electrical Permit)
- All inspections must be requested through the CSS portal before 12:00 AM the prior business day. AM/PM slots are available only for footing, foundation, masonry grout, and open trench inspections. (General)
- Inspection line: (208) 468-5404. Fire inspection line: (208) 468-5770. Nampa has a zone system for underfloor/concrete inspections — zones 1 and 3 are AM, zones 2 and 4 are PM. (General)
Inspection sequence
Applies to: Accessory Dwelling Unit (ADU) Permit
- 1
Foundation / Footings
Before concrete pour — verify depth (24-inch frost line for full foundations), forms, rebar
- 2
Framing
Structural framing, egress windows, fire separation before walls covered
- 3
MEP Rough-In
Mechanical, electrical, and plumbing rough-ins under separate trade permits
- 4
Final
All work complete, smoke/CO detectors, address posted; Certificate of Occupancy issued
Applies to: Residential Addition / Remodel Permit
- 1
Framing / Structural
After framing complete, before walls covered — verify structure, connections, blocking, egress
- 2
MEP Rough-In
Electrical, plumbing, and mechanical rough-ins before wall cover — may require separate trade permits
- 3
Insulation
Insulation and vapor barrier before drywall (if conditioned space added)
- 4
Final
All work complete per approved plans; Certificate of Completion issued
Applies to: Residential Building Permit (New Construction)
- 1
Footing / Foundation
Before concrete pour — forms, rebar, anchor bolts; AM inspection available; city divided into four zones for underfloor/concrete inspections
- 2
Framing
After framing, sheathing, and rough-in trades complete — before insulation or wall cover
- 3
Insulation / Energy
Insulation installed per 2018 IECC before drywall
- 4
Final
All work complete per approved plans; Certificate of Occupancy issued upon passing
Applies to: Residential Mechanical / HVAC Permit
- 1
Gas Piping Pressure Test
Required before concealing gas piping — verify no leaks under test pressure
- 2
Rough-In / Equipment
HVAC equipment, ductwork, and gas lines rough-in before walls closed
- 3
Final
Equipment operational, combustion air verified, venting correct, controls functional
Applies to: Residential Plumbing Permit
- 1
Underground / Slab Plumbing
Before concrete pour — verify pipe slope, materials, cleanouts; AM inspection available in applicable zones
- 2
Rough-In
After pipes installed, before walls closed — pressure test required
- 3
Final
All fixtures connected, no leaks, proper venting verified
Applies to: Residential Pool Permit
- 1
Excavation / Pre-Pour
Verify pool shell dimensions, rebar, bonding grid before gunite or concrete
- 2
Plumbing / Electrical Rough-In
Verify pump, filter, bonding, and GFCI protection before backfill
- 3
Final
Completed pool with required fencing, bonding complete, equipment operational
Applies to: Solar Photovoltaic (PV) Permit
- 1
Rough Electrical
Conduit runs, wire sizing, disconnect placement before energizing
- 2
Final — Building / Structural
Panel mounting, racking attachment, roof penetration sealing verified
- 3
Final — Electrical
Electrical connections, inverter installation, and interconnection verified
Applies to: Accessory Structure Permit
- 1
Foundation / Footings
Accessory structures under 600 sq ft require minimum 12-inch depth on 12-inch wide footing (not full 24-inch frost depth). Larger structures require full frost-depth footings.
- 2
Final
Structure complete per approved plans
Applies to: Electric Vehicle (EV) Charger Permit
- 1
Rough-In / Temporary Service
After wiring installed, before walls closed — verify conductor sizing, box placement, and service connections
- 2
Final
EV charger circuit, GFCI/AFCI protection, and connections verified per 2023 NEC
Applies to: Residential Electrical Permit
- 1
Rough-In / Temporary Service
After wiring installed, before walls closed — verify conductor sizing, box placement, and service connections
- 2
Final
All devices installed, panel labeled, GFCI/AFCI protection verified per 2023 NEC
Final inspection only: Residential Roofing Permit (Re-roof)
Re-inspection fees
Sources & verification
Verified against official sources. Last reviewed 2026-06-29.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Nampa building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
Nampa building permits
Get alerts for Nampa
We'll email you when Nampa's fees, documents, or codes change — not often.
We only use your email to send permit updates. No spam, unsubscribe anytime. Privacy.