On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for St. Ann
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
Thin public summary; St. Ann instead publishes a permit-required list and advises calling city hall if unsure
- Exempt Thin public summary; St. Ann instead publishes a permit-required list and advises calling city hall if unsure
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
- 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
- Permit validity
- Re-occupancy inspections are valid for 120 days if occupancy does not change
- 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
§ 03
Application process
Typical processing: Occupancy inspections are good for 120 days so long as no one moves in or out of the property
- 01 Check with St. Ann Building and Zoning for permit need and city application requirements
- 02 File city permit materials for building and zoning review
- 03 For HVAC, plumbing, electrical, and elevator permits, use St. Louis County through licensed contractors as directed by St. Ann
- 04 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
§ 04
Fee schedule
St. Ann building permit fees
Fee type
Amount
01
Minimum permit fee
Occupancy permit fee is USD 30
02
Plan check fee
Not clearly summarized on the public pages reviewed
03
Permit fee formula
Varies by permit type; city public pages reviewed did not show a consolidated fee chart
04
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
FAQ states occupancy payments may be made by check, cash, or money order
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
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 sequence: City review, county trade permit where needed, field inspections, then occupancy issuance when required
§ 06
Frequently asked
Common questions about St. Ann permits
01 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
02 How much does a building permit cost in St. Ann, MO? ▸
Building permit fees in St. Ann, MO are set by the local building department and vary by project type and valuation. 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.
03 How do I apply for a building permit in St. Ann, MO? ▸
To apply for a building permit in St. Ann, MO, follow these steps: 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
04 How long does it take to get a building permit in St. Ann, MO? ▸
Building permit processing times in St. Ann, MO typically run Occupancy inspections are good for 120 days so long as no one moves in or out of the property. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in St. Ann, MO? ▸
Not all construction work requires a permit 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. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in St. Ann, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in St. Ann, MO 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.
last verified April 2026
source City of St. Ann Building and Zoning Department ↗
entry id permits/missouri/st-louis-city/st-ann
Educational reference. Permit rules and fees change — confirm current requirements directly with City of St. Ann Building and Zoning Department before applying. Jaspector is not legal advice.