Commercial Building Permit (New Complete Building / Shell Building / Addition / Multi-Family 3+ Units) in Blackfoot, Idaho

Blackfoot requires a commercial building permit (new complete building / shell building / addition / multi-family 3+ units) for: Commercial Building Permit Application required, with 'Type of Permit Requested' checked (Commercial Site Plan-Buildable Lot / New Complete Building / Shell Building-No Interior Walls (no occupancy) / Shell Building-with interior walls (no occupancy)) and 'Land Use' checked (Multi-Family (3+ units) / Addition / Other), distinct from the Residential Building Permit Application form; Category (per Fee Schedule) includes buildings with three or more dwelling units, businesses, schools, churches, restaurants, etc.; Project Value disclosed on the application (used to calculate the Building Permit Fee via the Building Permit Fee Table); includes overhead/profit plus finish work, painting, roofing, electrical, plumbing, heating, air conditioning, elevators, fire extinguishing systems, other permanent equipment, and owner-supplied items, excluding land value; Planning & Zoning Information required on the application: Land Use Zone, Site Drainage Area with calculations, Landscaping Area, Parking Spaces, Warranty Deed, Flood Plain status, Water Tap Size, Sewer Tap Size; Building Information required: Proposed Use, Occupancy Group(s), Construction Type, Building Height, Total Existing Building Area, Actual New Building Area, Number of Stories; Fire Information required: site-specific fire-flow and static-pressure letter from the engineering department or other public water provider (fire flow at hydrants; static pressure if fire sprinklers will be installed); disclosure of fire alarm system, fire sprinkler status (and whether sprinklers are used for allowable area increase / story increase / fire-resistive substitution), and any classified (hazardous) areas; New construction plan submittals require THREE complete sets of construction plans (including civil plans), with a minimum of two original wet-stamped sets, per the Commercial/Non-Residential/Multi-Family Plan Review Checklist; Checklist items (as applicable to project scope): Code Analysis, ComCheck Energy Analysis (Idaho-licensed architect/engineer), Architectural Site Plan, Civil Site Plan (licensed engineer/architect, new construction; may be required for additions), Foundation Plan, Floor Plan, Elevations, Building Sections and Details, Structural Plans and Structural Engineering Calculations (2 stamped sets), Electrical/Mechanical/Plumbing Plans, MSDS sheets (2 copies, if hazardous materials present), Fire Department Requirements, statement of special inspections per IBC 1705; Health District approval letter required prior to permit issuance for any building where food is prepared; Electrical, plumbing, and mechanical/HVAC work billed separately under the Fee Schedule's Commercial & Industrial tables ($80 + percentage of installation cost for mechanical and electrical; $40 + percentage of installation cost for plumbing) -- subject to the same unresolved City-vs-DOPL routing conflict documented in this jurisdiction's electrical-mechanical-plumbing-permit-state-routed entry; confirm with the Building & Safety Department which entity actually issues these for a given commercial project; Apply via the City's online Permit Applications portal (blackfootid.portal.opengov.com) or by submitting the paper Commercial Building Permit Application to the Building Department. If your project isn't listed, confirm with City of Blackfoot Building & Safety Department (Building Department) at (208) 812-4198 (Building & Safety Department); (208) 785-8600 opt 3 (Planning & Zoning Department, for permit application requests); (208) 785-8602 (fax, per Residential Building Permit Application form) before starting work.

The Building Permit Fee itself uses the same valuation-based fee table as residential permits (e.g., $100 for the first $2,000 of value, scaling up through published tiers to over $10,000,000). The key commercial-specific cost is the Building Plan Review Fee, which is 65% of the Building Permit Fee for commercial projects (buildings with 3+ dwelling units, businesses, schools, churches, restaurants, etc.), compared to only 15% for residential. Fire Department plan review/inspection fees (Construction Plan Review $100, Commercial Site Plan Review $30, plus per-head/per-device sprinkler and alarm fees) apply on top of the Building Department fees when applicable.

The City's own Commercial Building Permit Application states new commercial projects and/or additions are 'not expected to exceed 4-6 weeks for the initial review, but could take longer depending on needed revisions or current workload.' This is the department's own published expectation, not a binding legal deadline.

You'll need: Commercial Building Permit Application; Commercial/Non-Residential/Multi-Family Plan Review Checklist; Structural Engineering Calculations; Fire Flow / Static Pressure Letter. Depending on your project, Blackfoot may also ask for: Health District Approval Letter. See the required-documents checklist on this page for details on each.

Blackfoot requires 4 inspection(s) for a commercial building permit (new complete building / shell building / addition / multi-family 3+ units), in order: Footing/Foundation, Framing, Fire/Life-Safety Systems, Final / Certificate of Occupancy. Schedule each through City of Blackfoot Building & Safety Department (Building Department) ((208) 812-4198 (Building & Safety Department); (208) 785-8600 opt 3 (Planning & Zoning Department, for permit application requests); (208) 785-8602 (fax, per Residential Building Permit Application form)).

Apply through City of Blackfoot Building & Safety Department (Building Department) at 157 North Broadway, Blackfoot, ID 83221. Phone: (208) 812-4198 (Building & Safety Department); (208) 785-8600 opt 3 (Planning & Zoning Department, for permit application requests); (208) 785-8602 (fax, per Residential Building Permit Application form), email: cclark@cityofblackfoot.org (Chase Clark, Building Official); mmyler@cityofblackfoot.org (Misty Myler, Building Permit Technician). Official information: https://www.cityofblackfoot.org/236/Building-Safety-Department.

Blackfoot, Idaho has adopted: Blackfoot Municipal Code 10-1-1 ('Administrative Code Adopted; Building Department Established') adopts 'the administrative code, current edition as adopted by the state ... published by the International Conference Of Building Officials,' for administration, organization, and enforcement of the technical codes governing site preparation and construction within the city. (2003 Code sec 4-01-01; amd. 2012 Code). Source: Blackfoot Municipal Code 10-1-1, American Legal Publishing (codelibrary.amlegal.com/codes/blackfootid/latest/blackfoot_id/0-0-0-4456).; Blackfoot Municipal Code 10-2-1 ('Building And Residential Codes Adopted') adopts 'the building code, current edition as adopted by the state ... published by the International Conference Of Building Officials' (excepting automatic sprinkler system requirements for 3- and 4-unit Group R buildings) and 'the residential code, current edition as adopted by the state,' as the city's code governing erection, construction, alteration, repair, demolition, occupancy, and permitting of all buildings and structures in the city. (2003 Code sec 4-02-01; amd. 2012 Code). Source: Blackfoot Municipal Code 10-2-1, American Legal Publishing (codelibrary.amlegal.com/codes/blackfootid/latest/blackfoot_id/0-0-0-4470).; Both codified sections tie the city's adopted building/residential code editions to whatever edition 'is adopted by the state' at any given time (i.e., the Idaho Building Code Board / DOPL Building Safety Program's statewide-adopted IBC/IRC cycle under the Idaho Building Code Act, Idaho Code Title 39, Chapter 41), rather than freezing a specific year in the municipal code text itself. No City of Blackfoot source was found stating a specific current IBC/IRC/IECC edition year independent of this 'as adopted by the state' language.; The City's own Residential Building Permit Application / Residential Plan Review Checklist (PDF, cityofblackfoot.org/DocumentCenter/View/89) states plans are to be designed to the '2012 IRC Code & 2012 IECC (with Idaho amendments)' -- however this document appears to be a reused/adapted template (it also references 'Twin Falls Highway District,' 'SUI zone,' and 'Twin Falls' designated flood plain areas,' which are not Blackfoot or Bingham County features), so its cited 2012 IRC/IECC edition year is treated as potentially stale/templated rather than authoritative, and is superseded per Municipal Code 10-2-1's 'current edition as adopted by the state' language. Flagged rather than relied upon for the codesAdopted edition year. Source: City of Blackfoot Residential Building Permit Application (PDF).; Idaho Division of Occupational and Professional Licenses (DOPL), Building Safety Program, administers the statewide building code framework (Idaho Building Code Act, Idaho Code Title 39, Chapter 41) and issues HVAC/mechanical, electrical, and plumbing permits directly for jurisdictions that have not assumed those trades locally. Source: DOPL Building Safety Program overview (dopl.idaho.gov/bld/). [2026-07-16 liveness re-check: the previously-cited 'DOPL Permits portal' at dbs.idaho.gov/permits/ no longer resolves to a permits page -- curl confirms it now 302-redirects to the bare dopl.idaho.gov homepage (not a specific permits/services page), consistent with DOPL's dbs.idaho.gov-to-dopl.idaho.gov domain migration. The live current pages for purchasing Electrical, HVAC, and Plumbing permits are dopl.idaho.gov/ele/, dopl.idaho.gov/hvac/, and dopl.idaho.gov/plb/ respectively, each carrying a 'Purchase a[n] [Trade] Permit' button linking to DOPL's shared ArcGIS-based online permit tool (idaho.maps.arcgis.com/apps/instant/sidebar/index.html?appid=c568d3c03d5f43f0841dcfa9c2a9537e). All three trade pages and the tool's landing shell were fetched live and returned HTTP 200 on 2026-07-16; the ArcGIS tool itself is a JavaScript-rendered app whose internal interactive content could not be verified via curl.]; The City of Blackfoot's own Permits & Applications page states verbatim: 'All HVAC, Electrical and Plumbing permit applications are acquired through the State of Idaho at https://dbs.idaho.gov/permits/.' This directly confirms the prior research's claim that Blackfoot routes mechanical (HVAC), electrical, and plumbing permitting to the state DOPL system rather than self-administering those trades -- the City issues and reviews only the Building Permit (and related general permits: demolition, retaining wall, mobile home block-set, roof repair, fence) itself. Source: City of Blackfoot Permits & Applications page (cityofblackfoot.org/166/Permits-Applications). [2026-07-16 note: this is an accurate quote of the City's own page, but the URL it cites (dbs.idaho.gov/permits/) is itself now dead -- see the live DOPL replacement pages noted in the codesAdopted entry above.]; CONFLICT NOTE (flagged, not resolved by inference): The City of Blackfoot's own Fee Schedule (Resolution No. 425, effective October 1, 2025) contains detailed 'MECHANICAL PERMITS,' 'ELECTRICAL PERMITS,' and 'PLUMBING PERMITS' fee sections with itemized city-charged fees for HVAC units, gas lines, residential/commercial electrical services, and residential/commercial plumbing -- which appears to directly contradict the Permits & Applications page's statement that all HVAC/electrical/plumbing permit applications are 'acquired through the State of Idaho.' Both documents are official City of Blackfoot publications and both were independently verified to resolve/load. This file does not guess which document is authoritative or stale; it reports the Permits & Applications page's explicit routing statement as the department's self-described intake process (consistent with the prior research finding), while separately publishing the Fee Schedule's mechanical/electrical/plumbing fee tables as-is as City-published figures, and flags this discrepancy for a human to resolve with the Building & Safety Department directly at (208) 812-4198. Sources: City of Blackfoot Fee Schedule, Resolution No. 425 (PDF, cityofblackfoot.org/DocumentCenter/View/2021/City-of-Blackfoot-Fee-Schedule-10-01-2025); City of Blackfoot Permits & Applications page (cityofblackfoot.org/166/Permits-Applications).; IRC Section 602.10 (wall bracing) compliance is explicitly required per the City's Residential Building Permit Application: 'All structures are required to be compliant with IRC section 602.10 for wall bracing... Any walls exceeding 10 feet tall are not prescriptive wall bracing and are required to be engineered for shear.' Source: City of Blackfoot Residential Building Permit Application (PDF).. Local amendments apply — see the Blackfoot overview page for the full list.