City Building Permits
Florissant, MO - 2026 Building Permit Guide
How to apply for a building permit in Florissant, Missouri. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Florissant runs its own building, zoning, permit, occupancy, plan review, and inspection program inside city limits
- Department
- City of Florissant Public Works, Building Division
- Address
- Florissant City Hall, 955 St. Francois, Florissant, MO 63031
- Phone
- (314) 839-7648
Online Permit Portal
Platform: Florissant online permitting portal • Account required: Yes • Submission: In-person only
Additional resources:
Application Process
- Pull the correct application from the Public Works permit applications page or the online portal
- Submit plans and permit materials through the portal, by email to publicworks@florissantmo.com, or directly with Public Works
- Pay applicable fees; Florissant materials state the city can accept credit and debit cards over the phone and checks by mail
- Receive permit approval, complete inspections, and obtain occupancy approval where applicable
Typical processing time: Not stated as a single posted SLA; review time depends on permit type and whether plan review is required
General Requirements
The Building Division says it issues construction permits and occupancy permits and performs related plan review and inspections for residential and commercial projects. Public guides identify quick-issue permits and plan-review-required permits
Required Documents
- When a permit is required: The Building Division says it issues construction permits and occupancy permits and performs related plan review and inspections for residential and commercial projects. Public guides identify quick-issue permits and plan-review-required permits
- Required documents: Application, plans, zoning authorization where applicable, and supporting construction information
- Permit validity/expiration: Occupancy inspection materials indicate some inspections are time-limited; verify permit expiration per permit type
- Owner-builder rules if available: Not clearly summarized in one public landing page
- Contractor license requirements: Verify contractor requirements with Public Works before filing; city materials reference contractor prequalification and permit-specific requirements
- Building code adopted: City public materials reference 2021 International Residential Code and city modifications; confirm the full current adopted code set directly with Florissant
- Permit validity
- Occupancy inspection materials indicate some inspections are time-limited; verify permit expiration per permit type
- Building code
- City public materials reference 2021 International Residential Code and city modifications; confirm the full current adopted code set directly with Florissant
- Owner-builder
- Not clearly summarized in one public landing page
- Contractor requirements
- Verify contractor requirements with Public Works before filing; city materials reference contractor prequalification and permit-specific requirements
Fees
- Minimum permit fee
- Construction permit pricing starts at $95 on the public works fee list; a $10 application fee is included where noted
- Plan check fee
- Included in permit pricing structure where plan review is required; see fee list
- Permit fee formula
- Quick-issue permits use posted flat charges; plan-review permits use a fee scale starting at $95
- Reinspection fee
- Additional or extra inspection $50; stop work order $50; permit extensions or amendments $40
- Payment note
- Applications may be emailed; card payments can be taken over the phone and checks may be mailed to City Hall
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the City of Florissant Public Works, Building Division to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Through Florissant Public Works / Building Division ()
- Inspection hours
- Monday-Friday, 8:00 a.m. to 5:00 p.m
Typical inspection sequence: Plan review, permit issuance, trade and building inspections, then occupancy inspection where applicable
Additional Resources
- Building code: City public materials reference 2021 International Residential Code and city modifications; confirm the full current adopted code set directly with Florissant
- Zoning information: View zoning info
- ecode360.com
- florissantmo.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 Florissant Public Works, Building Division before applying.
Frequently Asked Questions
Florissant Building Permit FAQ
- Do I need a building permit in Florissant, MO?
- The Building Division says it issues construction permits and occupancy permits and performs related plan review and inspections for residential and commercial projects. Public guides identify quick-issue permits and plan-review-required permits
- How much does a building permit cost in Florissant, MO?
- The minimum permit fee is Construction permit pricing starts at $95 on the public works fee list; a $10 application fee is included where noted. Fees are calculated as: Quick-issue permits use posted flat charges; plan-review permits use a fee scale starting at $95. Plan check fee: Included in permit pricing structure where plan review is required; see fee list.
- How do I apply for a building permit in Florissant, MO?
- 1. Pull the correct application from the Public Works permit applications page or the online portal 2. Submit plans and permit materials through the portal, by email to publicworks@florissantmo.com, or directly with Public Works 3. Pay applicable fees; Florissant materials state the city can accept credit and debit cards over the phone and checks by mail 4. Receive permit approval, complete inspections, and obtain occupancy approval where applicable
- How long does it take to get a building permit in Florissant, MO?
- Typical processing time is Not stated as a single posted SLA; review time depends on permit type and whether plan review is required.
- What work is exempt from building permits in Florissant, MO?
- The following work is generally exempt: Thin public citywide exemption summary located during this research; Florissant instead posts quick-issue permit examples and plan-review-required examples. Confirm before starting work.
- How do I schedule a building inspection in Florissant, MO?
- Inspections can be scheduled via: Through Florissant Public Works / Building Division.
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