Frequently Asked Questions
Below you will find information that might help you understand how to find things or learn about information you might need to know about your city or town.
Building Division
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Building Division
To request a Building Inspection email us or call us at 406.657.8270.
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Building Division
A building permit is required for almost any type of construction on private property including:
- Roofing
- Fences - at or exceeding a height of 8 feet and retaining walls exceeding a height of four (4) Feet. *** Contact Planning at 406-657-8247 to obtain a permit for any fence between a height of four (4) feet and six (6) feet. SEC 27-604 (h) Click here.
- Siding
- Decks
- Parking lots
Some of the items that do not require a permit are:
- Detached sheds not exceeding 200 square feet
- Painting
- Wallpapering and similar finish work
- Sidewalks or driveways when they will not support a structure and are located entirely on private property
In addition, certain construction activities in the public right of way may require permits.
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Some of the reasons a separate permit may be required are: -By law, most electrical and plumbing permits can only be issued to licensed electricians and licensed plumbers. -Certain permits are requested before the primary permit is ready (e.g., temporary use permits). -Some projects are divided among different contractors, each with responsibility for only certain aspects of the job. -Work in the right of way requires a licensed and bonded contractor. -Certain permits are administered by different city or county departments.Building Division
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Plans are reviewed by the type of project and the order in which they are received. Expediting a permit would necessitate delaying another permit. There are seldom instances where each applicant is not in a hurry. The best way to expedite your permit is to submit a quality set of plans with complete and detailed information. We also offer the opportunity for architects and designers to sit down with key City staff members to discuss the project prior to plan submittal.Building Division
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City Ordinance requires sidewalk, curb, gutter, and necessary street widening on all projects at the time of development.Building Division
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Building Division
Part of the plan review process is to examine submitted plans for conformance with all codes, laws, and ordinances. This includes all phases of construction including site, structural, architectural, plumbing, mechanical, and electrical drawings. The plumbing and electrical detail may be excluded on single-family residences provided the location of the mechanical equipment is shown. Commercial plans need to be stamped by a Montana-licensed architect or engineer. Handouts are available from the Building Division.
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The Building and Engineering Divisions normally review plans in the order in which they are received. However, single-family residential and other projects of a minor nature are mixed in with the review of more complex plans to maintain desired time frames. The City-County Planning Department establishes priorities based on a first-come, first-served basis.Building Division
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Building Division
Fees are based on the valuation assigned to each individual project. On large commercial projects valuation may be determined by a competitive bid process. Other commercial and single family structures are assigned a value based on square footage. Remodels are determined by contract price or the estimated value of material and labor.
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Building Division
Once a complete plan has been submitted, and special issues have been addressed (i.e., variances, special reviews, subdivisions, etc.), the initial review takes: Residential (single-family and duplex): 4-7 business days Commercial - Minor: 2-4 weeks Commercial - Major: 3-6 weeks
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Building Division
Because building plans are submitted electronically, only one (1) set of plans is required.
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Building Division
A "building setback" is the distance between a structure and a property line. An "arterial setback" is that distance between a structure and the center of an arterial street right of way. Setbacks are unique to each zoning district. Please contact City-County Planning at (406) 657-8247 for further assistance. In addition to verifying setbacks, knowing where the underground utility lines are located on the property is very important. Please call 811, or go to
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Building Division
- 2021 International Residential Code
- 2021 International Building Code
- 2021 International Mechanical Code
- 2021 International Fuel Gas Code
- 2021 Uniform Plumbing Code
- 2020 National Electrical Code
- 2021 International Energy Conservation Code
- 2021 International Fire Code
- 2021 International Swimming Pool & Spa Code
City of Billings’ Building Codes were last adopted on September 1, 2022 per Administrative Order #150.
A handout specifying each code and edition year is available at the Building Division front counter on the 5th floor of City Hall Building at 316 N. 26th St. -
Building Division
The State of Montana governs the area outside the city limits. You may call (406) 841-2056 for additional information.
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Building Division
You will be notified via email as soon as plans have been reviewed by all departments and divisions. If you would like to check the status, enter the permit number at the following link.
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Building Division
In cases where curb, gutter, and sidewalk improvements are not appropriate at the time of development (e.g., gravel streets, no curbs adjacent to property, etc.), the City Engineer may accept an SID Waiver of Protest in lieu of construction.
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Besides being a legal requirement, obtaining a permit helps to protect you, your family, and your property. Trained staff will review plans before construction begins, and will perform inspections during the project construction. While this does not guarantee a "perfect building" it does add protection and value to the structure.Building Division
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The owner is responsible for obtaining permits, or he or she may designate this responsibility to the contractor. When this happens the owner should be sure the contractor has obtained all the appropriate permits, and that the contractor receives all the inspection approvals.Building Division
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Building Division
Inside the city limits, call Jessica Fust, Floodplain Administrator (406) 657-8271. Outside the city limits, call Emergency and General Services at (406) 256-2775.
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Building Division
Contact a private surveyor. You can find a list of surveyors in the Yellow Pages. City staff is prohibited from surveying private property lines. It is also very important to know where a property's underground utility lines are located before starting a project. Please dial 811 or go to
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Building Division
While there are instances where a plan is not required, such as re-siding or re-roofing, many so-called "small jobs" are affected by building codes. The adding or deletion of a wall down the middle of a room can dramatically affect the existing and structural integrity of the building. A plan that clearly indicates the work to be done can avoid surprises and conflicts at the job site. Part of the building plan process should be knowing the location of a property's underground utility lines. Please dial 811 or go to callbeforeyoudig.org for more information.
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Review time is based upon the number of plans currently in for plan review and current staffing levels. In most cases, plans are reviewed in the order in which they were submitted.Building Division
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Building Division
The minimum opening area in accordance with the IRC section 310 is 5.7 square feet. Minimum opening height is 24 inches and the minimum opening width is 20 inches. The bottom sill height shall be no more than 44 inches from the floor. To obtain more information please call 657-8270.