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City building permits

City of Mackay

How to apply for a building permit in City of Mackay, Idaho. Permit authority, application steps, fees, and inspection requirements.

Avg processing
5-10 business days
Last verified
April 2026
On this page 5
§ 01

Permit authority

City of Mackay — City Hall

Street address
203 Main Street, Mackay, ID 83251
Coverage
All properties within the incorporated City of Mackay (population ~439; located in Lost River Valley).
§ 02

When a permit is required

Permit triggers and exempt work for Mackay

Building permit required for residential, commercial, and industrial construction within city limits. City of Mackay issues building permits governed by city code and local ordinances.

Minor repairs and maintenance
  • Exempt Minor repairs and maintenance

Note: Exemption from building permit does not mean exemption from zoning and planning requirements. Contact city for confirmation of specific exemptions.

Required documents
  • Building permit application form
  • Site plan or sketch showing proposed structure and setbacks
  • Building plans (if substantial structure)
  • Proof of property ownership
  • Zoning compliance certification (if required)
Building code
2018 International Building Code (IBC), 2018 International Residential Code (IRC) with Idaho state amendments and City of Mackay local code.
Contractor requirements
Contractor registration required for projects $2,000 or more (labor, materials, all other items). Registration number must be presented before permit issuance per Idaho Code § 54-52.

Source: City of Mackay — City Hall ↗

§ 03

Application process

Typical processing: 5-10 business days

  1. 01
    Contact Mackay City Hall (203 Main Street, Mackay, ID 83251 or 208-588-2386).
  2. 02
    Obtain building permit application form and any required guides.
  3. 03
    Submit completed application with site plan, building plans (if applicable), and proof of ownership.
  4. 04
    City reviews application for zoning compliance and code compliance.
  5. 05
    Applicant receives approval notice or correction notice.
  6. 06
    Pay permit fees upon approval.
  7. 07
    Permit issued; construction may begin.
  8. 08
    Inspections conducted during and after construction.

Typical processing time: 5-10 business days

Source: City of Mackay — City Hall ↗

§ 04

Required inspections

Scheduling and sequence

Inspection hours
Weekdays during business hours

Typical sequence: Inspections conducted during and after construction phases as required.

§ 05

Frequently asked

Common questions about Mackay permits

01 Do I need a building permit in Mackay, ID?
Building permit required for residential, commercial, and industrial construction within city limits. City of Mackay issues building permits governed by city code and local ordinances.
02 How do I apply for a building permit in Mackay, ID?
To apply for a building permit in Mackay, ID, follow these steps: 1. Contact Mackay City Hall (203 Main Street, Mackay, ID 83251 or 208-588-2386). 2. Obtain building permit application form and any required guides. 3. Submit completed application with site plan, building plans (if applicable), and proof of ownership. 4. City reviews application for zoning compliance and code compliance. 5. Applicant receives approval notice or correction notice. 6. Pay permit fees upon approval. 7. Permit issued; construction may begin. 8. Inspections conducted during and after construction.
03 How long does it take to get a building permit in Mackay, ID?
Building permit processing times in Mackay, ID typically run 5-10 business days. Timelines can vary based on project complexity and current department workload.
04 What work is exempt from building permits in Mackay, ID?
Not all construction work requires a permit in Mackay, ID. The following work is generally exempt: Minor repairs and maintenance. Note: Exemption from building permit does not mean exemption from zoning and planning requirements. Contact city for confirmation of specific exemptions. When in doubt, confirm with the local building department before starting work.
last verified April 2026 source City of Mackay — City Hall ↗ entry id permits/idaho/custer/mackay

Educational reference. Permit rules and fees change — confirm current requirements directly with City of Mackay — City Hall before applying. Jaspector is not legal advice.

§   Adjacent

Other jurisdictions in Custer County.

Same county, different permit office. Click for that jurisdiction's full guide.

All Custer County jurisdictions →