St. Louis Building Permits -- Fees, Requirements & Applications

About Building Permits in St. Louis

Building permits in St. Louis are issued by the City of St. Louis Building Division. Most residential permit applications are submitted online through the St. Louis Citizens Access Portal portal at stlouis-mo.gov/government/departments/sldc/building. Processing times for standard residential projects typically run 5–10 business days for standard residential permits.

2018 International Building Code with St. Louis amendments. St. Louis city and St. Louis County are separate jurisdictions — make sure you know which one you're in before applying.

Inspections are scheduled through the Citizens Access Portal.

Project Types in St. Louis

Select a project to see permit requirements, fees, and how to apply.

Deck Permit$100–$300 -- Required Fence Permit$50–$100 -- Required Shed Permit$50–$150 -- Sometimes Required Pool Permit$200–$500 -- Required Roof Replacement Permit$75–$150 -- Required Kitchen Remodel Permit$200–$800 -- Required Bathroom Remodel Permit$150–$500 -- Required ADU Permit$1,000–$3,500 -- Required Electrical Panel Permit$100–$250 -- Required HVAC Permit$100–$300 -- Required