How much does a building permit cost in St. Ann, MO?

The minimum permit fee is Occupancy permit fee is USD 30. Fees are calculated as: Varies by permit type; city public pages reviewed did not show a consolidated fee chart. Plan check fee: Not clearly summarized on the public pages reviewed.

How do I apply for a building permit in St. Ann, MO?

1. Check with St. Ann Building and Zoning for permit need and city application requirements 2. File city permit materials for building and zoning review 3. For HVAC, plumbing, electrical, and elevator permits, use St. Louis County through licensed contractors as directed by St. Ann 4. For residential re-occupancy, obtain the county inspection first; once the city receives the passed inspection, finish the St. Ann occupancy permit application and fee payment at City Hall

What work is exempt from building permits in St. Ann, MO?

The following work is generally exempt: Thin public summary; St. Ann instead publishes a permit-required list and advises calling city hall if unsure.

How do I schedule a building inspection in St. Ann, MO?

Inspections can be scheduled via: Through St. Ann Building and Zoning for city inspections and through St. Louis County for contracted residential re-occupancy inspections and county trade permits.

City Building Permits

St. Ann, MO - 2026 Building Permit Guide

How to apply for a building permit in St. Ann, Missouri. Permit authority, application steps, fees, and inspection requirements.

Missouri St. Louis City Updated March 2026

Permit Authority

St. Ann runs building and zoning administration locally. The city contracts with St. Louis County Public Works for residential re-occupancy permit inspections and for plan review and permitting of HVAC, plumbing, electrical, and elevator work

Department: City of St. Ann Building and Zoning Department
Address: 10405 St. Charles Rock Road, St. Ann, MO 63074
Phone: (314) 427-8009
Email: Use the city directory / contact links , no single public department email was clearly shown in the directory result reviewed
Website: https://www.stannmo.org/129/Building-and-Zoning

Online Permit Portal

Open https://stannmo.org/129/Building-and-Zoning

Platform: St. Ann Building and Zoning forms and city workflow • Account required: No • Submission: In-person only

Additional resources:

//stannmo.org/FAQ.asp

Application Process

Check with St. Ann Building and Zoning for permit need and city application requirements
File city permit materials for building and zoning review
For HVAC, plumbing, electrical, and elevator permits, use St. Louis County through licensed contractors as directed by St. Ann
For residential re-occupancy, obtain the county inspection first; once the city receives the passed inspection, finish the St. Ann occupancy permit application and fee payment at City Hall

Typical processing time: Occupancy inspections are good for 120 days so long as no one moves in or out of the property

Source: City of St. Ann Building and Zoning Department

General Requirements

St. Ann posts a detailed public list including fence, shed, interior remodel, roof replacement, deck, porch, driveway, stairs, egress windows, dumpster or pod, pool, handrails, guardrails, foundation repair, sump pump install, exterior window and door frame size changes, solar panels, new construction, and demolition

Required Documents

When a permit is required: St. Ann posts a detailed public list including fence, shed, interior remodel, roof replacement, deck, porch, driveway, stairs, egress windows, dumpster or pod, pool, handrails, guardrails, foundation repair, sump pump install, exterior window and door frame size changes, solar panels, new construction, and demolition
Required documents: City application, plans, and supporting details; county trade permits are required for HVAC, plumbing, electrical, and elevator work
Permit validity/expiration: Re-occupancy inspections are valid for 120 days if occupancy does not change
Owner-builder rules if available: Not clearly summarized as a single policy on the pages reviewed
Contractor license requirements: All HVAC, plumbing, and electric must be applied for by a licensed contractor through St. Louis County
Building code adopted: St. Ann public pages state the city uses the 2015 IBC, IRC, and IEBC. Trade plan review for electrical, mechanical, plumbing, and elevator work is contracted to St. Louis County

Permit validity: Re-occupancy inspections are valid for 120 days if occupancy does not change
Building code: St. Ann public pages state the city uses the 2015 IBC, IRC, and IEBC. Trade plan review for electrical, mechanical, plumbing, and elevator work is contracted to St. Louis County
Owner-builder: Not clearly summarized as a single policy on the pages reviewed
Contractor requirements: All HVAC, plumbing, and electric must be applied for by a licensed contractor through St. Louis County

Fees

Minimum permit fee: Occupancy permit fee is USD 30
Plan check fee: Not clearly summarized on the public pages reviewed
Permit fee formula: Varies by permit type; city public pages reviewed did not show a consolidated fee chart
Reinspection fee: A new residential inspection is required to add someone to an existing occupancy permit, and a new USD 30 permit is issued after the property has been inspected
Payment note: FAQ states occupancy payments may be made by check, cash, or money order

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the City of St. Ann Building and Zoning Department to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

Through St. Ann Building and Zoning for city inspections and through St. Louis County for contracted residential re-occupancy inspections and county trade permits ()

Inspection hours: Monday-Friday, 8 a.m. to 4 p.m

Typical inspection sequence: City review, county trade permit where needed, field inspections, then occupancy issuance when required

Additional Resources

Building code: St. Ann public pages state the city uses the 2015 IBC, IRC, and IEBC. Trade plan review for electrical, mechanical, plumbing, and elevator work is contracted to St. Louis County
Zoning information: View zoning info
stannmo.org
stannmo.org
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 St. Ann Building and Zoning Department before applying.

Frequently Asked Questions

St. Ann Building Permit FAQ

Do I need a building permit in St. Ann, MO?: St. Ann posts a detailed public list including fence, shed, interior remodel, roof replacement, deck, porch, driveway, stairs, egress windows, dumpster or pod, pool, handrails, guardrails, foundation repair, sump pump install, exterior window and door frame size changes, solar panels, new construction, and demolition
How much does a building permit cost in St. Ann, MO?: The minimum permit fee is Occupancy permit fee is USD 30. Fees are calculated as: Varies by permit type; city public pages reviewed did not show a consolidated fee chart. Plan check fee: Not clearly summarized on the public pages reviewed.
How do I apply for a building permit in St. Ann, MO?: 1. Check with St. Ann Building and Zoning for permit need and city application requirements 2. File city permit materials for building and zoning review 3. For HVAC, plumbing, electrical, and elevator permits, use St. Louis County through licensed contractors as directed by St. Ann 4. For residential re-occupancy, obtain the county inspection first; once the city receives the passed inspection, finish the St. Ann occupancy permit application and fee payment at City Hall
How long does it take to get a building permit in St. Ann, MO?: Typical processing time is Occupancy inspections are good for 120 days so long as no one moves in or out of the property.
What work is exempt from building permits in St. Ann, MO?: The following work is generally exempt: Thin public summary; St. Ann instead publishes a permit-required list and advises calling city hall if unsure.
How do I schedule a building inspection in St. Ann, MO?: Inspections can be scheduled via: Through St. Ann Building and Zoning for city inspections and through St. Louis County for contracted residential re-occupancy inspections and county trade permits.

Need help with your project?

Navigating permits in St. Ann can be complicated.

Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.

Learn how Jaspector works

Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.