On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Florissant
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
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
- 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
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
- Building code
- 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
- 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
§ 03
Application process
Typical processing: Not stated as a single posted SLA; review time depends on permit type and whether plan review is required
- 01 Pull the correct application from the Public Works permit applications page or the online portal
- 02 Submit plans and permit materials through the portal, by email to publicworks@florissantmo.com, or directly with Public Works
- 03 Pay applicable fees; Florissant materials state the city can accept credit and debit cards over the phone and checks by mail
- 04 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
Source: City of Florissant Public Works, Building Division ↗
§ 04
Fee schedule
Florissant building permit fees
Fee type
Amount
01
Minimum permit fee
Construction permit pricing starts at $95 on the public works fee list; a $10 application fee is included where noted
02
Plan check fee
Included in permit pricing structure where plan review is required; see fee list
03
Permit fee formula
Quick-issue permits use posted flat charges; plan-review permits use a fee scale starting at $95
04
Reinspection fee
Additional or extra inspection $50; stop work order $50; permit extensions or amendments $40
Applications may be emailed; card payments can be taken over the phone and checks may be mailed to City Hall
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Through Florissant Public Works / Building Division ()
- Inspection hours
- Monday-Friday, 8:00 a.m. to 5:00 p.m
Typical sequence: Plan review, permit issuance, trade and building inspections, then occupancy inspection where applicable
§ 06
Frequently asked
Common questions about Florissant permits
01 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
02 How much does a building permit cost in Florissant, MO? ▸
Building permit fees in Florissant, MO are set by the local building department and vary by project type and valuation. 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.
03 How do I apply for a building permit in Florissant, MO? ▸
To apply for a building permit in Florissant, MO, follow these steps: 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
04 How long does it take to get a building permit in Florissant, MO? ▸
Building permit processing times in Florissant, MO typically run Not stated as a single posted SLA; review time depends on permit type and whether plan review is required. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Florissant, MO? ▸
Not all construction work requires a permit 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. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Florissant, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Florissant, MO via: Through Florissant Public Works / Building Division.
last verified April 2026
source City of Florissant Public Works, Building Division ↗
entry id permits/missouri/st-louis-city/florissant
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Florissant Public Works, Building Division before applying. Jaspector is not legal advice.