Residential Building Permit (New Construction) in Idaho Falls, Idaho
VerifiedRequired for new construction of single-family and two-family dwellings in Idaho Falls. Reviewed against the 2018 IRC and 2018 IECC as adopted by Idaho Falls City Code Title 7. Applications are submitted through the City's Cityworks online permitting portal, which replaced the prior eTrakit system beginning April 1, 2024.
Verified 2026-07-03 · Source
When you need this permit
- Building permit required for new one- and two-family dwelling construction per IRC Section R105.1 as adopted by the City
- Plans must comply with the 2018 IRC and 2018 IECC as adopted by Idaho Falls City Code Title 7, Chapters 6 and 11
- A complete digital set of building plans with accurate scales, submitted via the Cityworks portal
- Site plan showing all property lines, zoning setbacks, legal description, job address, north arrow, new/existing structures with dimensions, and street infrastructure profile
- Fully dimensioned floor plans (1/4" = 1'-0") showing all window/door sizes, glazing in hazardous locations, plumbing fixtures, braced wall panel layout, framing plans, beam/header/post sizing, room identification with smoke/CO detector locations, and wall/ceiling heights
- All four elevations (1/4" or 1/8" = 1'-0") showing extent of foundation walls and footings below finished grade
- Building sections showing wall section (roof to footing), stair sections (handrail/guardrail heights, riser/tread dimensions), and foundation section with rebar schedule
- Energy code compliance certificate (REScheck or Prescriptive Path) and a Heating Design Report (Manual J Load Calculation)
- Floor joist/floor truss layout and complete roof truss layout/design package from the manufacturer
- Structural engineered design required for designs falling outside prescriptive code provisions
- City-licensed General Contractor required unless the homeowner is performing the work on their own single-family residence (Homeowner as General Contractor Form required if applicable)
- Sites over 5,000 sq ft requiring excavation require a City of Idaho Falls Certified Erosion Control Contractor on the project
Required documents
- Required
Cityworks New Residential Construction and Addition Permit Application
Submitted online via the Cityworks portal; requires property owner/applicant/contractor information, parcel number, project valuation, square footage per floor, and whether temporary power is needed
- Required
Site Plan
Property lines, setbacks, legal description, job address, north arrow, existing/proposed structures
- Required
Architectural Drawings, Floor Joist/Truss Layout, Roof Truss Design
Full construction drawing set per the Residential Plans Requirements List, including stamped engineered plans where applicable
- Required
Heat Load Calculation / Signed Prescriptive Path Form
Energy code compliance documentation (Manual J and REScheck or Prescriptive Path)
- Optional
Homeowner as General Contractor Form
Required only if the homeowner is acting as their own general contractor
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Building Permit Fee — valuation $1 to $499 | $30.18 | City of Idaho Falls Fee Schedule (October 2025), item 2.6.a.i |
| Residential Building Permit Fee — valuation $10,000 to $19,999 | $164.97 | City of Idaho Falls Fee Schedule (October 2025), item 2.6.a.iv |
| Residential Building Permit Fee — valuation $100,000 to $104,999 | $458.00 | City of Idaho Falls Fee Schedule (October 2025), item 2.6.a.xiii |
| Residential Building Permit Fee — valuation $500,000 to $1,000,000 | $2,865.25 for the first $500,000, plus $4.10 for each additional $1,000 of valuation or fraction thereof | City of Idaho Falls Fee Schedule (October 2025), item 2.6.a.xciii |
| Residential Building Permit Fee — valuation $1,000,001 and beyond | $4,972.74 for the first $1,000,000, plus $2.67 for each additional $1,000 of valuation or fraction thereof | City of Idaho Falls Fee Schedule (October 2025), item 2.6.a.xciv |
| New Residential Dwelling Unit Valuation Multiple | $90.00 per square foot | City of Idaho Falls Fee Schedule (October 2025), item 2.9.a — used to establish permit valuation when not otherwise provided |
| Finished Basement Total Valuation Multiple | $25.00 per square foot | City of Idaho Falls Fee Schedule (October 2025), item 2.9.b |
| Unfinished Basement / Wood Frame Garage Valuation Multiple | $15.00 per square foot | City of Idaho Falls Fee Schedule (October 2025), item 2.9.c |
| Residential Plan Check Fee | 25% of the permit valuation | City of Idaho Falls Fee Schedule (October 2025), item 2.8.a |
| Residential Combination Mechanical/Electrical/Plumbing (MEP) Fee | $0.08 per square foot total | City of Idaho Falls Fee Schedule (October 2025), item 2.13.f |
| Residential Combination Energy Code Fee | $55.00 each | City of Idaho Falls Fee Schedule (October 2025), item 2.13.g |
| Permit Issuance Fee | $30.18 each | City of Idaho Falls Fee Schedule (October 2025), item 2.13.a |
Review timeline
10–10 business days
Idaho Falls’s published plan-review target
Inspection process
- 1
Footing
Before concrete pour
- 2
Foundation
Foundation wall and rebar schedule verification
- 3
Underground Plumbing
Underground/under-slab plumbing before backfill or slab pour
- 4
IF Power Trench
Idaho Falls Power utility trench inspection for underground electrical service
- 5
Wall Sheathing
Structural wall sheathing before covering
- 6
Mechanical, Electrical, and Plumbing Rough-In
Combined MEP rough-in inspection
- 7
Framing
Structural framing complete before insulation/drywall
- 8
Firestop
Fire-resistant rated wall assemblies (Townhomes and Twinhomes)
- 9
Insulation
Insulation installed per energy code before drywall
- 10
Drywall
Drywall/fire-taping verification
- 11
Electrical Service
Electrical service inspection required before the utility will energize the service
- 12
Final
Combined Building, Mechanical, Electrical, Plumbing, Sidewalk, and Water Department final inspection
Tips
- The City of Idaho Falls transitioned to Cityworks permitting software on April 1, 2024, replacing the prior eTrakit Online system. Applicants with a prior eTrakit account should set up a new Cityworks account using the same email address to link historical permits.
- Allow up to 10 business days for initial plan review per the City's Residential Plans Requirements List.
- The address must be posted on-site before scheduling any inspections.
- Sites over 5,000 sq ft requiring excavation require a City-certified Erosion Control Contractor before a building permit will be issued.
- Starting work before a permit is issued results in a double permit fee.
Frequently asked questions
- How long does residential building permit review take in Idaho Falls?
- Allow up to 10 business days for the initial plan review once a complete digital plan set is submitted through the Cityworks portal, per the City's Residential Plans Requirements List.
- Where do I apply for a residential building permit in Idaho Falls?
- Applications are submitted through the City's Cityworks online permitting portal (linked from the Apply for a Permit page), which replaced the prior eTrakit Online system on April 1, 2024. The Building Division is located at 380 Constitution Way.
Sources & verification
Verified against official sources. Last reviewed 2026-07-03.
- City of Idaho Falls Building Division (Department of Community Development Services) — official building department
- Apply for a Permit | City of Idaho Falls
- Building | City of Idaho Falls
- Residential Plans Requirements List (PDF) | City of Idaho Falls
- Cityworks New Residential Construction and Addition Permit Application Checklist (PDF) | City of Idaho Falls
- 2025-2026 Fee Schedule (PDF) | City of Idaho Falls
- Idaho Falls City Code Title 7 — Building Regulations (PDF)
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 Idaho Falls building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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