On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Potosi
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
No public exempt-work list was found in the sources reviewed
- Exempt No public exempt-work list was found in the sources reviewed
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
- 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
- Permit validity
- Not publicly specified
- 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
§ 03
Application process
Typical processing: Not publicly posted
- 01 Download the permit application and fee sheet from the city website
- 02 Complete the application and plot plan attached to the form
- 03 Submit the application and payment to the address on the application
- 04 City review and approval by the Building Inspector
- 05 Permit issuance after approval and fee payment
Typical processing time: Not publicly posted
Source: City of Potosi Building Inspections / Building Commissioner ↗
§ 04
Fee schedule
Potosi building permit fees
Fee type
Amount
01
Minimum permit fee
$20 to $30 for several small categories; new homes $150
02
Plan check fee
Not publicly specified
03
Permit fee formula
Mixed flat fees by permit type plus a valuation tier for commercial building permits
04
Reinspection fee
Not publicly specified
Submit payment with the application; the fee sheet shows flat fees and commercial fees plus $8.50 per square foot
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Not publicly specified on the pages reviewed ()
- Inspection hours
- Not found
Typical sequence: Permit application, review, approval, fee payment, then construction and occupancy-related inspections as required
§ 06
Frequently asked
Common questions about Potosi permits
01 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
02 How much does a building permit cost in Potosi, MO? ▸
Building permit fees in Potosi, MO are set by the local building department and vary by project type and valuation. 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.
03 How do I apply for a building permit in Potosi, MO? ▸
To apply for a building permit in Potosi, MO, follow these steps: 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
04 How long does it take to get a building permit in Potosi, MO? ▸
Building permit processing times in Potosi, MO typically run Not publicly posted. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Potosi, MO? ▸
Not all construction work requires a permit in Potosi, MO. The following work is generally exempt: No public exempt-work list was found in the sources reviewed. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Potosi, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Potosi, MO via: Not publicly specified on the pages reviewed.
last verified April 2026
source City of Potosi Building Inspections / Building Commissioner ↗
entry id permits/missouri/washington/city-of-potosi
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Potosi Building Inspections / Building Commissioner before applying. Jaspector is not legal advice.