Do you need a permit for pool enclosure / screen cage in St. Louis, MO?
Pool Enclosure / Screen Cage permit in St. Louis
Yes
Yes — a permit is required for pool enclosure / screen cage in St. Louis, MO. The work must be inspected before it can be closed out, and a licensed contractor generally has to pull the permit.
Permitting authority: City of St. Louis building departmentModeled estimate for work inside city limits; addresses outside city limits are permitted by St. Louis City.
Regulatory facts checked August 2026 against City of St. Louis building department. Dollar figures are modeled estimates, not quotes.
How hard is this permit?
Scored from the stored permit requirement, trade reviews, inspection load, wind and flood overlays, and how this jurisdiction sets its fees.
Permit complexity: Complex
58/100 on the Hometriva Permit Complexity Index
Pool Cage permits in St. Louis score 58/100 on the Hometriva Permit Complexity Index (complex). Expect roughly 5–18 calendar days of review and 3 inspections, plus 1 added review.
- Plan review
- 5–18 days
- Inspections
- 3
- Added reviews
- 1
- Zoning review
How this score is calculated
| Factor | Score | Why |
|---|---|---|
| Permit requirement | 22/22 | Pool Enclosure / Screen Cage is required in St. Louis. |
| Trade reviews | 6/18 | 1 discipline review beyond building: zoning review. |
| Inspection load | 12/16 | 3 scheduled inspections on a typical job. |
| Wind & storm review | 6/16 | Standard wind design region; product approval is routine. |
| Coastal & flood overlays | 5/14 | Overlay review is uncommon on inland parcels. |
| Jurisdiction process | 7/14 | City of St. Louis building department issues the permit; fees are set on a published schedule. |
Who issues each permit
Disciplines are tracked separately — the building permit issuer is not always the body that reviews electrical, plumbing, zoning or fire.
| Discipline | Issuing authority |
|---|---|
| building | City of St. Louis building departmentModeled estimate |
| electrical | City of St. Louis building departmentModeled estimate |
| mechanical | City of St. Louis building departmentModeled estimate |
| plumbing | City of St. Louis building departmentModeled estimate |
| zoning | City of St. Louis building departmentModeled estimate |
| fire | City of St. Louis building departmentModeled estimate |
Permit facts
| Permit authority | City of St. Louis building department[building department]Modeled estimate |
|---|---|
| Permit fee | Estimated allowance $185–$715Modeled from comparable fee schedules — not an official quoted fee. |
| Who can pull it | Licensed contractor |
| Owner-builder | Allowed on owner-occupied homes |
| Inspections | Footing / anchor inspection, Framing inspection, Final inspection |
| Typical review timeModeled from complexity score, not a published SLA. | 5–18 calendar days |
| Typical timeline | 1-2 weeks of work, 4-10 weeks including engineering and permitting |
Documents to submit
- • Permit application
- • Engineered structural plans
- • Survey with setbacks
- • Wind-load calculations
How to apply in St. Louis
- 1. Confirm scope with City of St. Louis building department — exemptions vary by scope, not project type.
- 2. Prepare the documents above, including product approvals where wind-borne debris rules apply.
- 3. Submit through the St. Louis permit portal and pay the review fee.
- 4. Schedule each required inspection as the work reaches that stage.
- 5. Get the final inspection signed off — an open permit blocks the sale of the home.
What happens if you skip the permit
Unpermitted work commonly triggers double permit fees, a code enforcement lien, forced exposure of concealed work, insurance claim denial, and a failed disclosure at closing. Retroactive permits are possible but cost more and can require tearing out finished work.
Frequently asked questions
Do I need a permit for a pool cage?
Yes. Screen enclosures are engineered structures in Florida and require a building permit with signed and sealed plans plus wind-load calculations.
What this permit actually cost
Fee schedules are published; what an office charges on a real job is not. Recorded permits are how modeled fees become verified fees.
Sources
Sources & verification
Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.