Residential Building Permit (New Construction / Addition / Remodel) in Blackfoot, Idaho

Per the City of Blackfoot's own Permits & Applications page, yes -- HVAC, electrical, and plumbing permit applications are obtained directly through the State of Idaho (DOPL), not from the City Building Department. The City's page cites dbs.idaho.gov/permits/, but as of 2026-07-16 that URL redirects to the DOPL homepage rather than a working permits page; use dopl.idaho.gov/ele/ (electrical), dopl.idaho.gov/hvac/ (HVAC), or dopl.idaho.gov/plb/ (plumbing) instead, each with a 'Purchase a Permit' link to DOPL's online permit tool. (Note: the City's own Fee Schedule separately lists City-charged fees for these trades; confirm directly with the Building & Safety Department at (208) 812-4198 to resolve which source governs your specific project.)

In Blackfoot, the published Building Permit Fee -- valuation $0 to $2,000 is: $100. Additional published fees: Building Permit Fee -- valuation over $2,000 to $25,000 — $69.25 for the first $2,000 plus $14.00 for each additional $1,000, or fraction thereof, to and including $25,000; Building Permit Fee -- valuation over $25,000 to $50,000 — $391.75 for the first $25,000 plus $10.10 for each additional $1,000, or fraction thereof, to and including $50,000; Building Permit Fee -- valuation over $50,000 to $100,000 — $643.75 for the first $50,000 plus $7.00 for each additional $1,000, or fraction thereof, to and including $100,000; Building Permit Fee -- valuation over $100,000 to $500,000 — $993.75 for the first $100,000 plus $5.60 for each additional $1,000, or fraction thereof, to and including $500,000; Building Permit Fee -- valuation over $500,000 to $1,000,000 — $3,233.75 for the first $500,000 plus $4.75 for each additional $1,000, or fraction thereof, to and including $1,000,000; Building Permit Fee -- valuation over $1,000,000 to $5,000,000 — $5,608.75 for the first $1,000,000 plus $3.65 for each additional $1,000, or fraction thereof, to and including $5,000,000; Building Permit Fee -- valuation over $5,000,000 to $10,000,000 — $20,208.75 for the first $5,000,000 plus $2.75 for each additional $1,000, or fraction thereof, to and including $10,000,000; Building Permit Fee -- valuation over $10,000,000 — $33,958.75 for the first $10,000,000 plus $2.00 for each additional $1,000, or fraction thereof; Building Plan Review Fee -- Residential (single family, duplex, townhomes, mobile/manufactured homes) — 15% of the Building Permit Fee; Work without a permit — Double the cost of the permit fee; Re-inspection fee — $47.00 per inspection; Additional plan review — $47.00 per additional review; Permit Re-instatement Fee — Half the cost of the permit fee; Temporary Certificate of Occupancy — $1,000 refundable fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

All permits expire 180 days from the date of issuance or the date of the last inspection, whichever is later. Expired permits require reactivation, with a reactivation fee (half the original permit fee per the Fee Schedule), requested through the Building Official within one year of expiration.

You'll need: Residential Building Permit Application; Residential Plan Review Checklist; Energy Code Compliance Documentation (REScheck report or Prescriptive Approach specification); Manual S & J HVAC Calculations. Depending on your project, Blackfoot may also ask for: Flood Plain Certificate. See the required-documents checklist on this page for details on each.

Blackfoot requires 3 inspection(s) for a residential building permit (new construction / addition / remodel), in order: Footing/Foundation, Framing, 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.