Troy, MI - 2026 Building Permit Guide

Permit Authority

City-administered construction permits inside Troy city limits.

Department

Building Department, City of Troy

Address

500 W. Big Beaver Rd, Troy, MI 48084

Phone

248-524-3344

Website

https://troymi.gov/departments/building_inspections/index.php

Online Permit Portal

Application Process

1. Confirm project scope and permit triggers using Troy Building Department permit requirements and current code pages.
2. Prepare electronic application and plan set; Troy states all permits requiring plan review and new construction permits must be emailed in PDF format.
3. Submit through BS&A Online or by the electronic method identified on the Building Department pages.
4. Pay permit and review fees. Troy notes an over-the-counter processing fee for in-person handling and uses Point and Pay for online payment processing.
5. Receive permit issuance after review.
6. Schedule inspections through the inspection line or BS&A Online by the posted cutoff time.
7. Complete required inspections and close out the permit.

Typical processing time: No citywide standard timeline found; next-business-day inspection scheduling is available for requests verified before 2:00 p.m.

Source: Building Department, City of Troy

General Requirements

Troy permits electrical, mechanical, plumbing, sewer, and building work; plan review and new construction permits require electronic PDF submission.

Required Documents

• Electronic application
• PDF plans for projects requiring plan review or new construction
• Performance-based compliance report for new residential construction
• Manual J, S, and D support for new residential work where applicable

Permit validity

Commercial applicants should request an extension before permit expiration; failure to request within 30 natural days after expiration causes loss of the permit and a new permit under the new code cycle.

Building code

2021 Michigan Building Code effective April 9, 2025; 2021 Michigan Plumbing Code; 2021 Michigan Mechanical Code; 2023 National Electrical Code with Michigan amendments; 2021 Michigan Energy Code effective April 22, 2025; residential page notes LARA pause on 2021 MRC implementation and continued use of 2015 Michigan Residential Code framework pending state direction.

Owner-builder

Homeowners use the homeowner BS&A pathway and should verify HOA approvals for items such as fences, pools, decks, patios, additions, new construction, generators, windows, and siding.

Contractor requirements

Trade permits and inspections are administered separately; applicants should expect normal Michigan state trade licensing requirements and city registration workflow through the permit process.

Fees

Reinspection fee

Over-the-counter processing fee is $20 per application

Penalty (no permit)

Work started without permit may be subject to enforcement through the permit fee schedule

Payment note

Credit and debit payments through Point and Pay carry a 2.5% fee with $2 minimum; ACH is $3 up to $10,000 and $6 at $10,000 or more.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

• Exterior concrete flatwork within property lines, including driveways, service walks, and patios

Important: Exempt from building permit does not mean exempt from zoning and other requirements. Confirm with Building Department before proceeding.

Inspections

How to Schedule

• 248-689-5744 inspection line (phone)
• BS&A Online (online)

Scheduling deadline

Requests accepted from 8:00 a.m. to 2:00 p.m.; next-business-day cutoff is 2:00 p.m.

Inspection hours

Monday-Friday, 8:00 a.m. to 2:00 p.m.

Typical inspection sequence: Permit issuance, rough and trade inspections as applicable, final inspection, and closeout.

Additional Resources

• Building code: 2021 Michigan Building Code effective April 9, 2025; 2021 Michigan Plumbing Code; 2021 Michigan Mechanical Code; 2023 National Electrical Code with Michigan amendments; 2021 Michigan Energy Code effective April 22, 2025; residential page notes LARA pause on 2021 MRC implementation and continued use of 2015 Michigan Residential Code framework pending state direction.
• Zoning information: View zoning info
• Codes Currently in Effect
• Forms and Permits Applications
• License lookup guide: Michigan Contractor License Requirements
• Contract template: Michigan Homeowner-Contractor Agreement
• Michigan hub: Michigan Contractor License & Permit Hub

Frequently Asked Questions

Troy Building Permit FAQ

Do I need a building permit in Troy, MI?

Troy permits electrical, mechanical, plumbing, sewer, and building work; plan review and new construction permits require electronic PDF submission.

How do I apply for a building permit in Troy, MI?

1. Confirm project scope and permit triggers using Troy Building Department permit requirements and current code pages. 2. Prepare electronic application and plan set; Troy states all permits requiring plan review and new construction permits must be emailed in PDF format. 3. Submit through BS&A Online or by the electronic method identified on the Building Department pages. 4. Pay permit and review fees. Troy notes an over-the-counter processing fee for in-person handling and uses Point and Pay for online payment processing. 5. Receive permit issuance after review. 6. Schedule inspections through the inspection line or BS&A Online by the posted cutoff time. 7. Complete required inspections and close out the permit.

How long does it take to get a building permit in Troy, MI?

Typical processing time is No citywide standard timeline found; next-business-day inspection scheduling is available for requests verified before 2:00 p.m..

What work is exempt from building permits in Troy, MI?

The following work is generally exempt: Exterior concrete flatwork within property lines, including driveways, service walks, and patios. Note: Exempt from building permit does not mean exempt from zoning and other requirements. Confirm with Building Department before proceeding.

How do I schedule a building inspection in Troy, MI?

Inspections can be scheduled via: 248-689-5744 inspection line, BS&A Online. Requests accepted from 8:00 a.m. to 2:00 p.m.; next-business-day cutoff is 2:00 p.m..

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