City Building Permits
Potosi, MO - 2026 Building Permit Guide
How to apply for a building permit in Potosi, Missouri. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
City of Potosi issues permits inside city limits. The city page lists Building Inspections as a city service and the zoning code assigns permit and occupancy authority to the Building Commissioner
- Department
- City of Potosi Building Inspections / Building Commissioner
- Address
- 121 East High Street, Potosi, MO 63664
- Phone
- 573-438-2767
Online Permit Portal
Platform: Public website with downloadable PDFs, not a named permitting SaaS • Account required: No • Submission: In-person only
Additional resources:
Application Process
- Download the permit application and fee sheet from the city website
- Complete the application and plot plan attached to the form
- Submit the application and payment to the address on the application
- City review and approval by the Building Inspector
- Permit issuance after approval and fee payment
Typical processing time: Not publicly posted
Source: City of Potosi Building Inspections / Building Commissioner
General Requirements
New buildings, structures, parking lots, signs, enlargements, and structural alterations require a building permit. The code also requires permits for fences over 30 inches in height
Required Documents
- When a permit is required: New buildings, structures, parking lots, signs, enlargements, and structural alterations require a building permit. The code also requires permits for fences over 30 inches in height
- Required documents: Permit application, plot plan on the back of the form or attached, owner and builder information, business/occupational license number, and any additional info the building inspector requires
- Permit validity/expiration: Not publicly specified
- Owner-builder rules if available: Not publicly specified
- Contractor license requirements: Business/occupational license number is requested on the form; no separate contractor licensing rule was found in the public pages reviewed
- Building code adopted: City building code and Chapter 26 zoning code. The public portal states plans must comply with 2021 International Building Codes and 2020 National Electric Code
- Permit validity
- Not publicly specified
- Building code
- City building code and Chapter 26 zoning code. The public portal states plans must comply with 2021 International Building Codes and 2020 National Electric Code
- Owner-builder
- Not publicly specified
- Contractor requirements
- Business/occupational license number is requested on the form; no separate contractor licensing rule was found in the public pages reviewed
Fees
- Minimum permit fee
- $20 to $30 for several small categories; new homes $150
- Plan check fee
- Not publicly specified
- Permit fee formula
- Mixed flat fees by permit type plus a valuation tier for commercial building permits
- Reinspection fee
- Not publicly specified
- Payment note
- Submit payment with the application; the fee sheet shows flat fees and commercial fees plus $8.50 per square foot
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the City of Potosi Building Inspections / Building Commissioner to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Not publicly specified on the pages reviewed ()
- Inspection hours
- Not found
Typical inspection sequence: Permit application, review, approval, fee payment, then construction and occupancy-related inspections as required
Additional Resources
- Building code: City building code and Chapter 26 zoning code. The public portal states plans must comply with 2021 International Building Codes and 2020 National Electric Code
- Zoning information: View zoning info
- potosicity.com
- potosicity.com
- License lookup guide: Missouri Contractor License Requirements
- Contract template: Missouri Homeowner-Contractor Agreement
- Missouri hub: Missouri Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of Potosi Building Inspections / Building Commissioner before applying.
Frequently Asked Questions
Potosi Building Permit FAQ
- Do I need a building permit in Potosi, MO?
- New buildings, structures, parking lots, signs, enlargements, and structural alterations require a building permit. The code also requires permits for fences over 30 inches in height
- How much does a building permit cost in Potosi, MO?
- The minimum permit fee is $20 to $30 for several small categories; new homes $150. Fees are calculated as: Mixed flat fees by permit type plus a valuation tier for commercial building permits. Plan check fee: Not publicly specified.
- How do I apply for a building permit in Potosi, MO?
- 1. Download the permit application and fee sheet from the city website 2. Complete the application and plot plan attached to the form 3. Submit the application and payment to the address on the application 4. City review and approval by the Building Inspector 5. Permit issuance after approval and fee payment
- How long does it take to get a building permit in Potosi, MO?
- Typical processing time is Not publicly posted.
- What work is exempt from building permits in Potosi, MO?
- The following work is generally exempt: No public exempt-work list was found in the sources reviewed.
- How do I schedule a building inspection in Potosi, MO?
- Inspections can be scheduled via: Not publicly specified on the pages reviewed.
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