ADU Permit Fees & Costs in St. Paul, Minnesota
Everything you need to apply for a adu permit in St. Paul, Minnesota — documents, fees, steps, and a downloadable submission packet.
Key Facts
- Permit required
- Yes
- Submission method
- Online
- Typical fee range
- $4,500 – $15,675
- Review time
- Varies by jurisdiction
- Inspections
- 7 inspections required
Limited Data Available
Some information on this page has not been fully verified. We're working to improve data quality. Always verify with St. Paul directly.
Estimated Total Fees
$4,500 – $15,675
Range based on typical residential solar PV system. Actual fees depend on project valuation and system size.
| Fee Component | Range | Confidence |
|---|---|---|
| ADU Permit Fee[1][2] Building permit fee based on construction valuation (approximately 0.75%). Plan review fees $350-$500. Inspection fees vary by type. Typical 900-1,000 sq ft ADU results in $4,000-$7,000 total fees. Rental registration may apply. | $3,000 – $9,500 | ✓ |
| Plan Review Fee[3][4] Plan review fee is typically 50-65% of the permit fee. | $1,500 – $6,175 | ✓ |
| Estimated Total | $4,500 – $15,675 |
Fees shown as ranges. Always verify the exact amount with St. Paul before submission. Additional fees may apply for expedited review or resubmittals.
Generate your permit packet
Get a personalized ADU permit packet for St. Paul, Minnesota — tailored to your project details.
- Required forms: Building Permit Application, and more
- Pre-filled templates: Permit Cover Sheet
- Fee breakdown: $1,500–$9,500 estimated total
- Step-by-step St. Paul Department of Safety and Inspections portal submission guide
- Inspection prep checklist (7 items)
- Personalized for your specific project details
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Required Documents
St. Paul requires the following documents for this permit application.
Building Permit Application
St. Paul building permit application form with property information and project description
Architectural Plans
Architectural drawings prepared and signed by licensed Minnesota architect showing floor plans, elevations, sections, and details
Site Plan
Site plan with lot boundaries, property lines, setbacks, building footprints, parking areas, utilities, and landscaping
Zoning Certification
Zoning certification letter confirming property is in ADU-eligible zoning district and meets all dimensional requirements
Utility Plans and Coordination
Utility plans showing water, sewer, electric, and gas with coordination letters from utility providers
Proof of Ownership
Property deed or tax statement showing current property ownership
Permit Process
Follow these steps to submit your permit application through St. Paul Department of Safety and Inspections.
- 1
Pre-Application Consultation
Consult with St. Paul Department of Safety and Inspections regarding ADU requirements, design guidelines, and procedures
You'll need: Proof of Ownership
- 2
Zoning Verification
Confirm property is in eligible zoning district (residential) and meets lot size and setback requirements for ADU
You'll need: Zoning Certification
- 3
Submit Building Permit Package
Submit complete permit application with architectural plans, site plan, utility coordination, and zoning certification
You'll need: Building Permit Application, Architectural Plans, Site Plan, Utility Plans and Coordination
- 4
Plan Review
Department staff review plans for compliance with St. Paul Zoning Code Section 66.291 and building code requirements
- 5
Submit Plan Revisions
Address plan review comments and resubmit revised plans for final approval
- 6
Pay Permit and Inspection Fees
Pay building permit, plan review, and inspection fees to receive permit authorization
- 7
Construction and Occupancy Inspections
Pass required inspections including foundation, framing, electrical, plumbing, mechanical, and final occupancy
Authority Sources
Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
Frequently Asked Questions
- Do I need a adu permit in St. Paul?
- Yes. St. Paul requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.
- How long does adu permit approval take in St. Paul?
- Processing times in St. Paul vary depending on project complexity and current review volume. The process involves 7 steps. Contact St. Paul Development Services for current timelines.
- What documents are required for a adu permit in St. Paul?
- St. Paul requires 6 documents including Building Permit Application, Architectural Plans, Site Plan, Zoning Certification, and others. See the full list above for details.
- What happens if I build without a adu permit in St. Paul?
- Building without a permit in St. Paul can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.
- Can PermitMagic help prepare my adu permit submission in St. Paul?
- Yes. PermitMagic generates a submission-ready packet tailored to St. Paul's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.
- How much does a adu permit cost in St. Paul?
- ADU permit fees in St. Paul typically range from $4,500 to $15,675, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with St. Paul.
Related Permits
Other permits in St. Paul
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Answer a few project questions and get a adu permit packet for St. Paul, Minnesota — with every document, form, and fee organized for submission.
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