This is PermitBase’s published record for Hardin as of 2026-07-04. It has since been superseded — see the current record. A historical record reflects what PermitBase had verified at that time; it may not capture a real-world change the jurisdiction had made but PermitBase had not yet verified, and it includes any errors we later corrected. Snapshots are never edited retroactively.
Hardin building permits
VerifiedHardin, Montana — as published 2026-07-04.
Verified 2026-07-03 · Source
Codes adopted
Permit types & fees
Residential Building Permit (New Construction / Addition / Alteration / Re-Roof)
VerifiedRequired for new single-family/two-family home construction, additions, alterations, and re-roofing on RESIDENTIAL property within Hardin city limits. Issued by the City of Hardin under its DLI certification for Building (B), RESIDENTIAL ONLY, reviewed by Building Inspectors Joe Connelly and Nathan McConnell against the state-adopted 2021 IBC/IRC/IECC editions. This certification does NOT extend to commercial building work — see the separate commercial-building-permit-state entry.
Verified 2026-07-03 · Source
Requirements
- Complete the City of Hardin Application For Building Permit: property address, county, whether the job is inside city limits, 17-digit GEOCODE, parcel number, lot/block, section/township/range, property owner and general contractor/design professional contact information
- Select Type of Work: Addition, ReRoofing, Other, Emergency Repair, Fire Suppression, Change of Use, New Construction, Moved Building, or Alteration/Remodel
- Provide project valuation
- Electronic plan submittal is preferred per the City's own application form
- Applicant must indicate 'Primary Contact' as Owner, General Contractor, or Designer
- The application form itself flags 'Other Work Being Done On Site' checkboxes for Boiler, Elevator, Plumbing, Electrical, Mechanical, and HVAC — these are separate state-issued permit types and are NOT covered by this city-issued residential building permit
Required documents
- RequiredApplication For Building PermitCity of Hardin residential building permit application (a City-branded reformatting of the state BCP-1 template); available at hardinmontana.info/Building_Permit_application011019.pdf or via the City of Hardin Citizen Portal (hardinmt2.portal.iworq.net/portalhome/hardinmt2)
- RequiredConstruction PlansElectronic plan submittal preferred per the City's application form instructions
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential building permit fee | No fixed valuation-based fee table was found published on hardinmt.com, hardinmontana.info, or in the City's downloadable Building Permit Application form (which has a blank 'PROJECT VALUATION' field but no printed fee schedule) as of this review — an honest publication gap after direct review of the City's own permit materials, not an inferred or invented figure. Applicants must contact the Building Department at (406) 665-9260 Ext. 106 for a current fee quote. |
Accessory Building Permit (Residential and Business)
VerifiedRequired for accessory structures (sheds, detached storage buildings, etc.) in Hardin. The City publishes a dedicated Application For Business Accessory Building for accessory structures on business/commercial property, governed by Hardin City Code 11-1-8-2, which caps accessory buildings at 200 square feet without a Variance Request. Residential accessory structures fall under the general residential-building-permit process.
Verified 2026-07-03 · Source
Requirements
- Per Hardin City Code 11-1-8-2: the accessory building must not exceed 200 square feet; if larger, a Variance Request Form Application must also be submitted
- A scale map is required showing dimensions, acreage, parking, main structure, intended location of the accessory structure, and the property location
- A description of the water and sewer system serving the accessory structure is required
- A design of the building and a picture of the structure (for existing/relocated structures) must be attached
- Written authorization from the property owner is required if the applicant is not the owner
- Applicant must appear before the Common Council when the application is considered
- Applicant certifies that all State, County, and Local laws will be followed
Required documents
- RequiredApplication For Business Accessory BuildingCity of Hardin form for accessory structures on business/commercial property, citing Hardin City Code 11-1-8-2; available at hardinmontana.info/Accessory_Building_Permit_010226.pdf
- RequiredScale MapSite plan showing dimensions, acreage, parking, main structure, and proposed accessory structure location
- OptionalVariance Request Form ApplicationRequired only if the proposed accessory building exceeds 200 square feet
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Accessory building permit / application fee | No fixed fee amount is printed on the City's Application For Business Accessory Building form or published elsewhere on hardinmt.com/hardinmontana.info as of this review. Contact the Building Department at (406) 665-9260 Ext. 106 (or the general city line, (406) 665-9260 Ext. 104) for a current quote. |
Commercial Building Permit (State-Issued)
VerifiedBecause Hardin's DLI certification for Building covers RESIDENTIAL work only, any commercial building project within Hardin city limits — new construction, addition, alteration — requires a Building Permit/Plan Review Application issued directly by the Montana DLI Building Codes Bureau in Helena, not by the City of Hardin, under the 2021 IBC.
Verified 2026-07-03 · Source
Requirements
- Submit a Building Permit/Plan Review Application together with complete construction plans to the Building Codes Bureau
- Plan review fee is generally 1%-2% of building valuation, calculated by the Bureau after initial screening
- A state building permit must be obtained before construction begins; starting construction beforehand may result in an investigation fee and required corrective construction
- Building permits must be issued before related Plumbing, Mechanical, or Electrical permits can be issued or that work can begin
- Design professionals are encouraged for complex projects; complete plans expedite review
- Apply in accordance with Title 50, Chapter 60, MCA and ARM Title 24, Chapter 301
Required documents
- RequiredBuilding Permit/Plan Review ApplicationMontana Building Codes Bureau statewide form; mailed with payment to Building and Commercial Measurements Bureau, PO Box 200517, Helena, MT 59602, or filed online at BuildingPermits.Mt.Gov
- RequiredConstruction PlansComplete construction plans and details (site plan, floor plan, accessibility/restroom details, wall sections) are required and expedite plan review per the Bureau's own guidance
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit/Plan Review Fee | Generally 1%-2% of building valuation, calculated by the Building Codes Bureau after screening | Montana DLI Building Codes Bureau, 'Is a State Building Permit Needed?' guidance page — this is the Bureau's own stated fee-calculation method for state-issued building permits, which governs Hardin's commercial building projects since Hardin's own certification does not cover commercial building work |
Electrical Permit (State-Issued)
VerifiedBecause Hardin holds no DLI certification in Electrical (only a residential-only Building certification), electrical work anywhere within Hardin city limits — residential or commercial — requires a Residential or Commercial Electrical Permit issued directly by the Montana DLI Building Codes Bureau in Helena, not by the City of Hardin, under the 2020 NEC.
Verified 2026-07-03 · Source
Requirements
- Application must be signed and dated by the licensed electrical contractor's person in charge, or filed as a homeowner permit for owner-performed work
- Payment must be submitted with the application; incomplete applications are returned unprocessed
- Property address, GEOCODE/parcel/lot/block, owner information, and power company must be provided
- Apply in accordance with Title 50, Chapter 60, Section 604, MCA and ARM 24.301.431
Required documents
- RequiredApplication for Residential Electrical PermitMontana Building Codes Bureau statewide form; mailed with payment to Building Codes Program, PO Box 200517, Helena, MT 59620-0517, or filed online via ebiz.mt.gov / BuildingPermits.Mt.Gov
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Single Family Dwelling or Cabin — up to 200-amp service (includes meter base and attached garages if wired at the same time) | $200 | Montana Building Codes Bureau, Application for Residential Electrical Permit (Rev. 12/22) — the same statewide fee schedule applied to all non-electrically-certified Montana jurisdictions; cross-verified against the identical schedule already confirmed for Choteau, MT and Conrad, MT in this same dataset |
| Single Family Dwelling or Cabin — 201 to 400-amp service | $380 | Application for Residential Electrical Permit (Rev. 12/22) |
| Residential Change of Service — exterior meter base & interior/exterior main disconnect only | $45 | Application for Residential Electrical Permit (Rev. 12/22) |
Plumbing Permit (State-Issued, incl. Water Heater)
VerifiedBecause Hardin holds no DLI certification in Plumbing (only a residential-only Building certification), plumbing work anywhere within Hardin city limits — including water heater installation/replacement, residential or commercial — requires a Plumbing Permit issued directly by the Montana DLI Building Codes Bureau in Helena, not by the City of Hardin, under the 2021 Uniform Plumbing Code.
Verified 2026-07-03 · Source
Requirements
- Application must be signed by the Master Plumber and include the Master Plumber License Number, or filed as a homeowner permit for owner-performed work where allowed
- Property address, county, and whether the job is inside city limits must be indicated
- Type of Building and Type of Work must be indicated; sewer service type (public/septic) and potable water source must be indicated
- Apply in accordance with Title 50, Chapter 60, Section 505, MCA and ARM 24.301.301 / 24.301.361
Required documents
- RequiredApplication for Plumbing PermitMontana Building Codes Bureau statewide form (BCP-1); mailed with payment to Building Codes Bureau, PO Box 200517, Helena, MT 59620-0517, or filed online via ebiz.mt.gov / BuildingPermits.Mt.Gov
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Each NEW water heater (or replacement) | $25 | Montana Building Codes Bureau, Application for Plumbing Permit (BCP-1) statewide Fee Schedule — the same schedule applied to all non-plumbing-certified jurisdictions; cross-verified against the identical schedule already confirmed for Choteau, MT and Conrad, MT in this same dataset |
| Each plumbing fixture or trap | $10 per fixture/trap | Application for Plumbing Permit (BCP-1) statewide Fee Schedule |
Mechanical / HVAC Permit (State-Issued)
VerifiedBecause Hardin holds no DLI certification in Mechanical (only a residential-only Building certification), mechanical/HVAC work anywhere within Hardin city limits — residential or commercial — requires a Mechanical Permit issued directly by the Montana DLI Building Codes Bureau in Helena, not by the City of Hardin, under the 2021 International Mechanical Code and International Fuel Gas Code.
Verified 2026-07-03 · Source
Requirements
- Project Value must be provided; permit fee is calculated from the state's valuation-based fee schedule
- Type of Building and Type of Work must be indicated
- Boiler work requires a separate Boiler Permit form, not the Mechanical Permit
- Apply in accordance with Title 50, Chapter 60, Section 104, MCA and ARM 24.301.172
Required documents
- RequiredApplication for Mechanical PermitMontana Building Codes Bureau statewide form (BCP-1); mailed with payment to Building Codes Bureau, PO Box 200517, Helena, MT 59620-0517, or filed online via ebiz.mt.gov / BuildingPermits.Mt.Gov
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Mechanical Permit — Project value $0-$10,000 | $48 for the first $1,000, plus $14 for each additional $1,000 or fraction thereof | Montana Building Codes Bureau, Application for Mechanical Permit (BCP-1) statewide Fee Schedule — the same schedule applied to all non-mechanically-certified jurisdictions; cross-verified against the identical schedule already confirmed for Choteau, MT and Conrad, MT in this same dataset |
Demolition / Building Removal Permit
VerifiedRequired for demolishing or removing a structure within Hardin city limits, using the City's residential-building-permit process (Type of Work checkboxes on the same Application For Building Permit include 'Moved Building' and 'Other', the latter used with a full description of work for demolition scope) for residential property; commercial demolition follows the state-routed process since Hardin's certification excludes commercial building work.
Verified 2026-07-03 · Source
Requirements
- Type of Work box 'Other' checked on the Application For Building Permit with a full description of the demolition scope attached, or 'Moved Building' for relocating a structure
- Project valuation (prior value and completed/post-project value) must be provided
- Property address, GEOCODE, parcel/lot/block information required as with any other permit type on this form
- For commercial structures, submit instead to the Montana DLI Building Codes Bureau since Hardin's certification does not cover commercial building work
Required documents
- RequiredApplication For Building Permit (Other/Moved Building)Same City of Hardin form used for all residential building/zoning work, with 'Other' or 'Moved Building' selected and a full work-scope description attached
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Demolition/building permit fee | No fixed table was found published on hardinmt.com, hardinmontana.info, or the City's Building Permit Application form; no dedicated demolition bond amount (comparable to Billings' $10,000 site bond) was found published for Hardin either. Contact the Building Department at (406) 665-9260 Ext. 106 for current requirements and fees, since this is a small jurisdiction without Billings-scale published demolition procedures. |
Sources & verification
Verified against official sources. Last reviewed 2026-07-03.
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 Hardin building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.