On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Troy
Building, electrical, pool/spa, demolition, accessory structure, basement finish, sign, water/sewer tap, and other regulated work listed by the Building Department
No consolidated public exempt-work list was located on the Troy pages reviewed
- Exempt No consolidated public exempt-work list was located on the Troy pages reviewed
Required documents
- When a permit is required: Building, electrical, pool/spa, demolition, accessory structure, basement finish, sign, water/sewer tap, and other regulated work listed by the Building Department
- Required documents: Permit application; plot plan; two complete residential plan sets or commercial submittals; truss and TJI reports where applicable; contractor licensing details; project-specific guides and applications
- Permit validity/expiration: Troy forms provide permit issue and expiration fields, but a universal public expiration rule was not clearly posted
- Owner-builder rules if available: Allowed; forms support applicant-performed work, but full public owner-builder rules were not clearly summarized on the main page
- Contractor license requirements: Contractors license applications must be submitted through SmartGov
- Building code adopted: 2015 IBC, IRC, IPC, IMC, IFGC, IECC, ISPSC, and 2014 NEC, with local amendments
- Building code
- 2015 IBC, IRC, IPC, IMC, IFGC, IECC, ISPSC, and 2014 NEC, with local amendments
- Permit validity
- Troy forms provide permit issue and expiration fields, but a universal public expiration rule was not clearly posted
- Owner-builder
- Allowed; forms support applicant-performed work, but full public owner-builder rules were not clearly summarized on the main page
- Contractor requirements
- Contractors license applications must be submitted through SmartGov
§ 03
Application process
Typical processing: Not clearly posted
- 01 Prepare the complete permit application and required plans
- 02 Submit all permit applications through the SmartGov portal
- 03 Provide plot plan, building plans, structural details, and utility/right-to-connect information as required by project type
- 04 Respond to review comments and third-party engineering review if required
- 05 Pay fees
- 06 Receive permit and schedule required inspections
Typical processing time: Not clearly posted
§ 04
Fee schedule
Troy building permit fees
Fee type
Amount
01
Minimum permit fee
$50.00
02
Plan check fee
Residential plan review $50.00; commercial plan review $100.00
03
Permit fee formula
Residential building permits are square-foot based at $0.51, $0.49, or $0.47 per square foot by size tier; commercial permits are $0.67, $0.65, or $0.63 per square foot by size tier; misc permits are flat-fee items
04
Reinspection fee
Second reinspection fee $50.00; proceeding without required inspection or permit $500.00
City notes Sunshine Law notice for permit portal submissions and generally does not transfer or refund fees without Board of Aldermen consent
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Call 636-528-1254 no later than 3:00 p.m. the day before; SmartGov-submitted permits can schedule in the portal by the same deadline ()
- Inspection hours
- Building Department hours Mon-Fri 7:00 a.m. to 3:30 p.m.; inspections are assigned A.M. or P.M., except footing inspections may get a specific time
Typical sequence: Floodplain if applicable, excavation, footing, underground plumbing, meter base, open wall, insulation, water/sewer right-to-connect, ceiling insulation, final, and fire permit or inspection as needed
§ 06
Frequently asked
Common questions about Troy permits
01 Do I need a building permit in Troy, MO? ▸
Building, electrical, pool/spa, demolition, accessory structure, basement finish, sign, water/sewer tap, and other regulated work listed by the Building Department
02 How much does a building permit cost in Troy, MO? ▸
Building permit fees in Troy, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is $50.00. Fees are calculated as: Residential building permits are square-foot based at $0.51, $0.49, or $0.47 per square foot by size tier; commercial permits are $0.67, $0.65, or $0.63 per square foot by size tier; misc permits are flat-fee items. Plan check fee: Residential plan review $50.00; commercial plan review $100.00.
03 How do I apply for a building permit in Troy, MO? ▸
To apply for a building permit in Troy, MO, follow these steps: 1. Prepare the complete permit application and required plans 2. Submit all permit applications through the SmartGov portal 3. Provide plot plan, building plans, structural details, and utility/right-to-connect information as required by project type 4. Respond to review comments and third-party engineering review if required 5. Pay fees 6. Receive permit and schedule required inspections
04 How long does it take to get a building permit in Troy, MO? ▸
Building permit processing times in Troy, MO typically run Not clearly posted. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Troy, MO? ▸
Not all construction work requires a permit in Troy, MO. The following work is generally exempt: No consolidated public exempt-work list was located on the Troy pages reviewed. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Troy, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Troy, MO via: Call 636-528-1254 no later than 3:00 p.m. the day before; SmartGov-submitted permits can schedule in the portal by the same deadline.
last verified April 2026
source City of Troy Building Department ↗
entry id permits/missouri/lincoln/troy
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Troy Building Department before applying. Jaspector is not legal advice.