How to Get a Driveway Permit in St. Louis, MO (2026 Guide)
Everything you need to know about driveway permits in St. Louis, MO, local requirements, fees, timelines, and how to apply.
By Joey, Founder · Last updated May 23, 2026 · How we research →
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Free Permit Lookup →Do You Need a Driveway Permit in St. Louis?
Based on St. Louis's local building codes, you'll need a permit when:
Any new curb cut requires an encroachment or right-of-way permit. This involves work in the public right-of-way and must meet ADA sidewalk crossing requirements. Contact your city's public works department.
New driveways require a permit. If a new curb cut is needed, an encroachment or right-of-way permit is also required for work in the public right-of-way. The driveway must meet width limits and impervious surface requirements.
Widening or extending an existing driveway typically requires a permit because it increases impervious surface coverage and may affect drainage. If the widening involves a modified curb cut, a right-of-way permit is also required.
These driveway projects are typically exempt in St. Louis:
Replacing an existing driveway in the same footprint with no changes to the curb cut is generally exempt from permit requirements.
Permit Fees in St. Louis
Based on local St. Louis permit data, fees for driveway projects typically range:
Here's how fees break down by project scope nationally:
| Project Scope | Typical Permit Fee |
|---|---|
| Driveway replacement (same footprint, where permit needed) | $50 – $150 |
| New driveway permit | $100 – $400 |
| Curb cut / encroachment permit | $150 – $500+ |
| Driveway widening permit | $75 – $300 |
| Grading/drainage review (if triggered) | $100 – $400 additional |
Fees are typically calculated based on estimated project value. Contact Building Division - Permits Section for exact amounts.
How Long Does It Take?
In St. Louis, typical approval time for driveway permits is about 3 weeks.
More complex projects requiring structural review or variances may take longer. Simple projects may qualify for expedited or over-the-counter review in some cases.
How to Apply for a Driveway Permit in St. Louis
- 1 Check requirements: Use our free lookup tool or contact Building Division - Permits Section to confirm your project needs a permit.
- 2 Gather documents: Prepare your application, site plan, construction drawings, and any other required documents.
- 3 Submit online: St. Louis accepts applications online at Building Division - Permits Section.
- 4 Pay fees: Pay the applicable permit fees ($75 – $500).
- 5 Wait for approval: Your application will be reviewed by St. Louis plan reviewers. Typical turnaround is about 3 weeks.
- 6 Begin work: Once approved, post your permit visibly at the job site before starting work.
- 7 Schedule inspections: Call Building Division - Permits Section at (314) 622-3315 to schedule required inspections at each phase of the project.
St. Louis Building Department Contact
Required Inspections in St. Louis
Most driveway projects in St. Louis require inspections at each construction stage:
Curb Cut / Approach Inspection, Approach dimensions meet city standards, sidewalk crossing is ADA-compliant (cross-slope, surface), drainage is directed to the street (not onto the sidewalk or neighboring property), and the curb transition is properly formed.
Final Inspection, Driveway matches approved site plan (location, dimensions, material), proper drainage slope away from the house and not toward neighbors, curb cut properly finished, and no encroachment beyond property lines.
Schedule inspections with Building Division - Permits Section at (314) 622-3315 at least 24–48 hours in advance.
Frequently Asked Questions
Whether you need a permit depends on the size and scope of your driveway project. In St. Louis, some smaller projects are exempt while larger ones require a permit. Use our free lookup tool to check your specific situation.
Permit fees for driveway projects in St. Louis typically range from $75 – $500. Fees are usually based on the estimated project value.
Typical approval time in St. Louis is about 3 weeks. Complex projects requiring structural review may take longer.
In most cases, homeowners in St. Louis can pull permits and perform work on their own primary residence as an owner-builder. You're still responsible for meeting all code requirements and passing inspections.
Working without a required permit in St. Louis can result in fines, stop-work orders, required removal of completed work, and complications when selling your home.
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Free Permit Lookup →Other Permit Guides for St. Louis, MO
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See Detailed Driveway Rules for St. Louis
View all local rules, exemptions, and fee details on the permit page.
Driveway Permit Rules →