City Building Permits
Marthasville, MO - 2026 Building Permit Guide
How to apply for a building permit in Marthasville, Missouri. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
City permit authority applies inside Marthasville city limits. Public sources found here are stronger on utility, street, floodplain, and mobile-home-park construction permits than on a broad standalone building-permit portal
- Department
- City of Marthasville City Clerk / City code administration
- Address
- 402 East Main Street, Marthasville, MO 63357
- Phone
- 636-433-5554
Online Permit Portal
Platform: None found • Account required: No • Submission: In-person only
Additional resources:
Application Process
- Identify whether the work is a utility connection, street/driveway project, floodplain development, or mobile home park related construction
- Pull the applicable city form from the Licenses and Permits page or code chapter
- Submit the form to City Hall or the City Clerk with any required plans, drawings, or supporting documents
- Obtain any required external approvals, such as DNR, Corps of Engineers, or EPA, before final city approval when applicable
- Receive permit approval and complete any required inspections
Typical processing time: Not stated publicly
Source: City of Marthasville City Clerk / City code administration
General Requirements
Water and sewer main extensions or service connections require a construction permit. Streets or driveways serving two or more residences or any commercial or industrial facility require a construction permit. Mobile home parks require a city permit. Floodplain development also requires a permit
Required Documents
- When a permit is required: Water and sewer main extensions or service connections require a construction permit. Streets or driveways serving two or more residences or any commercial or industrial facility require a construction permit. Mobile home parks require a city permit. Floodplain development also requires a permit
- Required documents: City forms, scale drawings for street permits, and related supporting approvals for utility and floodplain work
- Permit validity/expiration: Not clearly stated in the captured text for the general permit types. Mobile home park permits appear to remain valid while compliant, but no single public validity rule was located
- Owner-builder rules if available: Not located in the captured text
- Contractor license requirements: Not located in the captured text
- Building code adopted: Chapter 500 building regulations and related city ordinances. The chapter references seismic design requirements under Missouri law and specific city utility and street standards
- Permit validity
- Not clearly stated in the captured text for the general permit types. Mobile home park permits appear to remain valid while compliant, but no single public validity rule was located
- Building code
- Chapter 500 building regulations and related city ordinances. The chapter references seismic design requirements under Missouri law and specific city utility and street standards
- Owner-builder
- Not located in the captured text
- Contractor requirements
- Not located in the captured text
Fees
- Minimum permit fee
- Street construction permit fee is $20.00; mobile home park permit fee is $100.00; some utility inspection fees are higher
- Plan check fee
- Not stated as a separate fee in the captured text
- Permit fee formula
- Mostly flat fees by permit type in the excerpts found
- Reinspection fee
- Final inspection noncompliance for water/sewer connections can lead to fines up to $500 and/or 90 days in jail under the code excerpt
- Payment note
- The public forms and ordinance references do not show an online payment flow in the captured text
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the City of Marthasville City Clerk / City code administration to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Contact City Hall / City Clerk; some inspections are tied to city personnel review and final approval ()
- Inspection hours
- City Hall hours are Monday through Friday, 8 a.m. to 4 p.m
Typical inspection sequence: Submit application, obtain outside agency approvals if needed, city permit issuance, city inspection, and final approval where applicable
Additional Resources
- Building code: Chapter 500 building regulations and related city ordinances. The chapter references seismic design requirements under Missouri law and specific city utility and street standards
- Zoning information: View zoning info
- marthasvillemo.gov
- marthasvillemo.gov
- 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 Marthasville City Clerk / City code administration before applying.
Frequently Asked Questions
Marthasville Building Permit FAQ
- Do I need a building permit in Marthasville, MO?
- Water and sewer main extensions or service connections require a construction permit. Streets or driveways serving two or more residences or any commercial or industrial facility require a construction permit. Mobile home parks require a city permit. Floodplain development also requires a permit
- How much does a building permit cost in Marthasville, MO?
- The minimum permit fee is Street construction permit fee is $20.00; mobile home park permit fee is $100.00; some utility inspection fees are higher. Fees are calculated as: Mostly flat fees by permit type in the excerpts found. Plan check fee: Not stated as a separate fee in the captured text.
- How do I apply for a building permit in Marthasville, MO?
- 1. Identify whether the work is a utility connection, street/driveway project, floodplain development, or mobile home park related construction 2. Pull the applicable city form from the Licenses and Permits page or code chapter 3. Submit the form to City Hall or the City Clerk with any required plans, drawings, or supporting documents 4. Obtain any required external approvals, such as DNR, Corps of Engineers, or EPA, before final city approval when applicable 5. Receive permit approval and complete any required inspections
- How long does it take to get a building permit in Marthasville, MO?
- Typical processing time is Not stated publicly.
- What work is exempt from building permits in Marthasville, MO?
- The following work is generally exempt: No public exempt-work list was found in the captured text for general building work; The code excerpts reviewed focus on utility, street, floodplain, and mobile home park permits.
- How do I schedule a building inspection in Marthasville, MO?
- Inspections can be scheduled via: Contact City Hall / City Clerk; some inspections are tied to city personnel review and final approval.
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