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Zoning Conformance & Building Permit (Commercial New Construction, Additions, Remodels, Tenant Improvements) in Polson, Montana

Required for new commercial construction, additions, remodels, and tenant improvements within Polson city limits. Uses the same combined Zoning Conformance & Building Permit Application as residential work — the applicant checks 'COMMERCIAL' rather than 'RESIDENTIAL' on the form — and is billed on the same citywide valuation-based Building Permit Fee table, reviewed against the 2021 International Building Code (IBC) rather than the 2021 IRC that governs one- and two-family dwellings. Montana DLI's Certified City, County and Town Programs roster (updated 07/30/2026) lists Polson with full B, P, E, M certification and no residential-only qualifier, confirming the City itself — not the State DLI Building Codes Bureau — issues this permit within city limits.

Verified 2026-08-26 · Source

When you need this permit

  • Complete Zoning Conformance & Building Permit Application with the COMMERCIAL box checked, providing owner, contractor, and site information, project valuation, and floor area
  • Part I (Zoning Conformance): two copies of a site plan addressing setbacks, lot size, lot slope, lot coverage, and easements, reviewed against Chapter IV (Performance Standards) of the Polson Development Code; the Zoning Conformance Fee is paid at time of submittal; the application states 'Please allow up to 10 working days for review' for this portion
  • Part II (Building Permit): two complete sets of construction drawings covering building, electrical, mechanical, and plumbing information, including a foundation plan, floor plan for each level, exterior elevations, and complete structural drawings (wall section, floor framing, stair sections, roof/truss detail); applicable fees are assessed and the permit issued only after plan review is complete
  • Reviewed against the 2021 International Building Code as amended by ARM 24.301.131, plus the 2021 IECC and 2021 IEBC as applicable, rather than the 2021 IRC that governs one- and two-family dwellings
  • Design must reflect City of Polson design criteria: 62 psf ground snow load, 115 mph wind load, Seismic Zone D, per the Standards for Design & Construction page
  • Applicant's signature grants members of the Polson Building, Planning, Water, Sewer, Fire, Parks, and Streets Departments, plus the City Engineer, permission to enter the property to evaluate the application and resulting construction — Fire Department review of a commercial project is folded into this same signature clause rather than routed through a separately published fire plan-review fee or process
  • A Multi-Family Dwelling electrical installation of more than 12 units in one building is billed on the Electrical Permit Commercial fee schedule rather than the Multi-Family Dwelling residential per-unit tiers, per the Building Department Fee Schedule
  • A separate Certificate of Occupancy/Change of Use Application and fee is required when a commercial building's use changes or an occupancy certification is needed — a distinct product from this building permit
  • Permanent water and/or sewer service is granted only after all code requirements (paving, landscaping, required permits, inspections, and payment of applicable fees) are confirmed complete

Required documents

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Fee schedule

Plan Review Fee
City of Polson Building Department Fee Schedule (effective October 1, 2021, still the currently linked schedule as of the City's 2026 fee-schedule page, https://www.cityofpolson.com/media/25771),… Show full citationCity of Polson Building Department Fee Schedule (effective October 1, 2021, still the currently linked schedule as of the City's 2026 fee-schedule page, https://www.cityofpolson.com/media/25771), Page 1 of 5 — applies to the Building Permit generally, with no separate residential/commercial rate. The figure matches Montana ARM 24.301.138(1)(b) 'Calculation of Fees,' which sets the same statewide default plan-review rate of 35% of the building permit fee (50% if plan review services are provided standalone, without a permit).
35% of the Building Permit Fee
Additional Plan Review (required by changes, additions, or other revisions)City of Polson Building Department Fee Schedule, Page 1 of 5
$75.00
Building Permit Fee — Total Valuation $1-$500
City of Polson Building Department Fee Schedule, Page 1 of 5 — the same ten-tier valuation table applies to commercial and residential construction alike; Show full citationCity of Polson Building Department Fee Schedule, Page 1 of 5 — the same ten-tier valuation table applies to commercial and residential construction alike; the complete $1 to $1,000,001-and-up breakdown is published above under the Zoning Conformance & Building Permit (residential) entry
$23.50
Building Permit Fee — Total Valuation $2,001-$25,000City of Polson Building Department Fee Schedule, Page 1 of 5
$69.25 for the first $2,000, plus $14.00 for each additional $1,000 or fraction thereof
Building Permit Fee — Total Valuation $1,000,001 and upCity of Polson Building Department Fee Schedule, Page 1 of 5
$5,608.75 for the first $1,000,000, plus $3.15 for each additional $1,000 or fraction thereof
Building valuation methodology (square-foot method, used when no firm bid or design professional's estimate is available)
Administrative Rules of Montana (ARM) 24.301.138(4)(c)-(d), 'Calculation of Fees,' as printed on the document the City of Polson's own Building Permit Fee Calculation page links and labels 'Building… Show full citationAdministrative Rules of Montana (ARM) 24.301.138(4)(c)-(d), 'Calculation of Fees,' as printed on the document the City of Polson's own Building Permit Fee Calculation page links and labels 'Building Permit Calculation Table for Fees' (https://www.cityofpolson.com/media/9946) — a Montana Secretary of State ARM database printout of Rule 24.301.138, whose Table 109.2 valuation tiers match the City's own published Building Permit Fee Schedule dollar for dollar
Cost-per-square-foot figures for the applicable construction type and occupancy group from the International Code Council's 'Building Valuation Data' table, with the result multiplied by a factor of 0.70

Review timeline

Plan reviewPolson’s published plan-review target
Up to 10 business days

How long did your Zoning Conformance & Building Permit (Commercial New Construction, Additions, Remodels, Tenant Improvements) permit actually take in Polson?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Foundation

    Before concrete pour, per department inspection sheet requirements

  2. 2

    Framing

    Structural framing per approved plans before walls are closed

  3. 3

    Final

    Completed work verified against approved plans; a Certificate of Compliance and Occupancy is issued only after the department inspection sheet is submitted and signed off by each required department

See the full Polson inspection guide — scheduling & re-inspection fees →

Tips

  • Polson uses ONE combined Zoning Conformance & Building Permit Application for both residential and commercial work — check COMMERCIAL rather than filing a separate application, and expect two full sets of construction drawings covering building, electrical, mechanical, and plumbing information.
  • The City's own published valuation-based Building Permit Fee table (effective October 1, 2021) matches, dollar for dollar, the statewide default 'Table 109.2, Building Permit Fees' schedule set by Montana ARM 24.301.138 — the same schedule and the same 35% Plan Review Fee apply to residential and commercial work alike; there is no separate, higher commercial tier for the base Building Permit or Plan Review Fee.
  • Mechanical and Plumbing Permits use one fee schedule labeled 'Residential and Commercial' on the City's own Fee Schedule — no separate or higher commercial rate exists for those trades. Electrical Permits do carry a distinct Commercial tier billed on project cost rather than amperage, documented under the City's Electrical Permit.
  • No dedicated City of Polson fire-sprinkler, fire-alarm, or fire-plan-review fee applies to a commercial building permit — the Zoning Conformance & Building Permit Application's own signature clause grants the Fire Department the same property-entry and evaluation rights as the Building, Planning, Water, Sewer, Parks, and Streets Departments, but no separate line-item fee or process is published; see the City's Fire Sprinkler / Fire Alarm Permit for Montana's separate, state-level fire-protection contractor licensing framework.
  • The Montana DLI certified-programs roster lists Polson's certification contact simply as 'Office' at (406) 883-8214 rather than naming an individual — that number matches the City's own Building Department general line; the City's own materials name Lynda Benson as Building Official ((406) 883-8216) for direct building-department contact.
  • A Multi-Family Dwelling with more than 12 units in one building is billed on the Electrical Permit Commercial schedule rather than the Multi-Family residential per-unit tiers.
  • Searches of the City of Polson Building Department, Fire Dept, Standards for Design & Construction, and Building Permits and Applications pages found no mention of Confederated Salish and Kootenai Tribes (CSKT) jurisdiction, tribal review, or Flathead Indian Reservation trust-land status affecting commercial construction permitting — the City's own published materials describe only the Montana DLI certification framework, with no tribal-jurisdiction carve-out for building permits within Polson city limits.

Frequently asked questions

Polson requires a zoning conformance & building permit (commercial new construction, additions, remodels, tenant improvements) for: Complete Zoning Conformance & Building Permit Application with the COMMERCIAL box checked, providing owner, contractor, and site information, project valuation, and floor area; Part I (Zoning Conformance): two copies of a site plan addressing setbacks, lot size, lot slope, lot coverage, and easements, reviewed against Chapter IV (Performance Standards) of the Polson Development Code; the Zoning Conformance Fee is paid at time of submittal; the application states 'Please allow up to 10 working days for review' for this portion; Part II (Building Permit): two complete sets of construction drawings covering building, electrical, mechanical, and plumbing information, including a foundation plan, floor plan for each level, exterior elevations, and complete structural drawings (wall section, floor framing, stair sections, roof/truss detail); applicable fees are assessed and the permit issued only after plan review is complete; Reviewed against the 2021 International Building Code as amended by ARM 24.301.131, plus the 2021 IECC and 2021 IEBC as applicable, rather than the 2021 IRC that governs one- and two-family dwellings; Design must reflect City of Polson design criteria: 62 psf ground snow load, 115 mph wind load, Seismic Zone D, per the Standards for Design & Construction page; Applicant's signature grants members of the Polson Building, Planning, Water, Sewer, Fire, Parks, and Streets Departments, plus the City Engineer, permission to enter the property to evaluate the application and resulting construction — Fire Department review of a commercial project is folded into this same signature clause rather than routed through a separately published fire plan-review fee or process; A Multi-Family Dwelling electrical installation of more than 12 units in one building is billed on the Electrical Permit Commercial fee schedule rather than the Multi-Family Dwelling residential per-unit tiers, per the Building Department Fee Schedule; A separate Certificate of Occupancy/Change of Use Application and fee is required when a commercial building's use changes or an occupancy certification is needed — a distinct product from this building permit; Permanent water and/or sewer service is granted only after all code requirements (paving, landscaping, required permits, inspections, and payment of applicable fees) are confirmed complete. If your project isn't listed, confirm with City of Polson Building Department (Planning & Building Department) at (406) 883-8214 before starting work.

Commercial construction is billed on the same valuation-based Building Permit Fee table as residential construction (starting at $23.50 for a $1-$500 valuation, up to $5,608.75 plus $3.15 per additional $1,000 over $1,000,000), plus a Plan Review Fee equal to 35% of the Building Permit Fee. This table and rate match the statewide default schedule set by Montana ARM 24.301.138. Source: City of Polson Building Department Fee Schedule.

Polson's published plan-review target for a zoning conformance & building permit (commercial new construction, additions, remodels, tenant improvements) is Up to 10 business days.

You'll need: Zoning Conformance & Building Permit Application; Site Plan (2 copies); Construction Drawings. See the required-documents checklist on this page for details on each.

Apply through City of Polson Building Department (Planning & Building Department) at 106 1st Street East, Polson, MT 59860. Phone: (406) 883-8214, email: bp@cityofpolson.com. Office hours: City Hall main line (406) 883-8200, fax (406) 883-8238. Building Official: Lynda Benson, (406) 883-8216. Community Development Director: Rob Edington, (406) 883-8213. Applications may be submitted by mail (City of Polson, 106 1st Street East, Polson, MT 59860) or by email to bp@cityofpolson.com. The City also directs applicants to apply online at GovWell.com.. Official information: https://www.cityofpolson.com/building.

No. The City uses one combined Zoning Conformance & Building Permit Application for both residential and commercial work — mark COMMERCIAL rather than RESIDENTIAL on the form. Source: City of Polson Zoning Conformance & Building Permit Application (Revised 10/20/22).

No dedicated City of Polson fee or process for fire-sprinkler, fire-alarm, or general fire plan review is published for building permits. The Fire Department is granted the same property-entry and evaluation rights as other City departments under the combined application's signature clause, but no separate fee or process line item is published; Montana licenses fire-protection contractors at the state level instead. Source: City of Polson Zoning Conformance & Building Permit Application; City of Polson Fire Dept page.

No City of Polson published material — the Building Department page, Fire Dept page, Standards for Design & Construction page, or Building Permits and Applications page — mentions Confederated Salish and Kootenai Tribes (CSKT) jurisdiction, tribal review, or reservation trust-land status as a factor in commercial building permitting.

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