How much does a building permit cost in Franklin, OH?

The minimum permit fee is Many residential permits start at $30, $35, $50, or $75 depending on type; examples: temporary electric pole $50, certificate of zoning compliance $50. Fees are calculated as: Mixed base-plus-area formulas, per-device formulas, flat zoning fees, hourly plan examination, and penalty charges. Plan check fee: Residential after second revision $24 per hour; commercial plan examination $75 per hour.

How do I apply for a building permit in Franklin, OH?

1. Go to the Franklin Building & Zoning page and open the Applications and Permits portal. 2. Choose the correct application; the city separates building permits, curb and sidewalk permits, demolition, floodplain permits, garage sale permits, and other categories. 3. Complete all fields and upload plans and supporting documents, or email materials when the city instructs that route. 4. For building permits, Franklin processing time is up to 2 weeks for residential and up to 30 business days for commercial. 5. Schedule inspections after permit issuance and keep approved plans on site.

How long does it take to get a building permit in Franklin, OH?

Typical processing time is Residential up to 2 weeks; commercial up to 30 business days.

How do I schedule a building inspection in Franklin, OH?

Inspections can be scheduled via: 937-746-9921 ext. 1001 (residential); 513-695-1290 (commercial/Warren County). No same-day inspections.

City Building Permits

Franklin, OH - 2026 Building Permit Guide

How to apply for a building permit in Franklin, Ohio. Permit authority, application steps, fees, and inspection requirements.

Ohio Warren County Updated March 2026

Permit Authority

Franklin's Building & Zoning Division is state-certified for review, inspection, and approval of residential and commercial construction. For commercial building permit inspections, the city contracts with Warren County.

Department: Building & Zoning Division, Department of Safety
Address: 1 Benjamin Franklin Way, Franklin, OH 45005
Phone: 937-746-9921 ext. 1001; administrative contact 937-993-0842
Email: acopenhaver@franklinohio.org
Website: https://www.franklinohio.org/departments/safety_department/building___zoning/index.php

Online Permit Portal

Open iWorQ Citizen Portal

Platform: iWorQ • Account required: No • Submission: Online only

Additional resources:

Application Process

Go to the Franklin Building & Zoning page and open the Applications and Permits portal.
Choose the correct application; the city separates building permits, curb and sidewalk permits, demolition, floodplain permits, garage sale permits, and other categories.
Complete all fields and upload plans and supporting documents, or email materials when the city instructs that route.
For building permits, Franklin processing time is up to 2 weeks for residential and up to 30 business days for commercial.
Schedule inspections after permit issuance and keep approved plans on site.

Typical processing time: Residential up to 2 weeks; commercial up to 30 business days

Source: Building & Zoning Division, Department of Safety

General Requirements

Permits required for: new construction, additions, alterations and remodels, garages, awnings, decks and porches, certificates of occupancy, change of use, electrical, fire alarm and suppression, gas line, hood suppression and exhaust, hot tubs, HVAC, new buildings, storage structures over 200 sq ft, pools, rooftop solar, signage, standby generators, tents, and similar work

Required Documents

Permit application
Plans
Supporting documents
Authorization letters where required
Approved plans must be on site for inspections

Permit validity: One-year permit renewal available for $100 under OBC and RCO section 105.5
Building code: Part Thirteen of Franklin Codified Ordinances; state-certified review and inspection
Contractor requirements: No local general contractor license requirement found. Plumbing permits are through Warren County Board of Health.

Fees

Minimum permit fee: Many residential permits start at $30, $35, $50, or $75 depending on type; examples: temporary electric pole $50, certificate of zoning compliance $50
Plan check fee: Residential after second revision $24 per hour; commercial plan examination $75 per hour
Permit fee formula: Mixed base-plus-area formulas, per-device formulas, flat zoning fees, hourly plan examination, and penalty charges
Reinspection fee: First callback reinspection no charge; further residential callback $50; further commercial callback $100
Penalty (no permit): Starting work without permit $100 or double permit fee whichever is greater; missed inspection $100; one-year renewal $100
Payment note: Plumbing fees handled under Warren County Board of Health unless otherwise specified by city council

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

Work That Does NOT Require a Permit

Contact the Building & Zoning Division, Department of Safety to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

937-746-9921 ext. 1001 (residential); 513-695-1290 (commercial/Warren County) (phone)

Scheduling deadline: No same-day inspections
Inspection hours: Residential inspections 9:00 AM to 4:00 PM; commercial on day of inspection call Warren County inspector between 7:00 AM and 8:00 AM for time frame

Additional Resources

Building code: Part Thirteen of Franklin Codified Ordinances; state-certified review and inspection
Verify contractor license: Ohio eLicense Contractor Lookup
Zoning information: View zoning info
Do I Need a Permit?
Inspections Page
License lookup guide: Ohio Contractor License Requirements
Contract template: Ohio Homeowner-Contractor Agreement
Ohio hub: Ohio Contractor License & Permit Hub

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Building & Zoning Division, Department of Safety before applying.

Frequently Asked Questions

Franklin Building Permit FAQ

Do I need a building permit in Franklin, OH?: Permits required for: new construction, additions, alterations and remodels, garages, awnings, decks and porches, certificates of occupancy, change of use, electrical, fire alarm and suppression, gas line, hood suppression and exhaust, hot tubs, HVAC, new buildings, storage structures over 200 sq ft, pools, rooftop solar, signage, standby generators, tents, and similar work
How much does a building permit cost in Franklin, OH?: The minimum permit fee is Many residential permits start at $30, $35, $50, or $75 depending on type; examples: temporary electric pole $50, certificate of zoning compliance $50. Fees are calculated as: Mixed base-plus-area formulas, per-device formulas, flat zoning fees, hourly plan examination, and penalty charges. Plan check fee: Residential after second revision $24 per hour; commercial plan examination $75 per hour.
How do I apply for a building permit in Franklin, OH?: 1. Go to the Franklin Building & Zoning page and open the Applications and Permits portal. 2. Choose the correct application; the city separates building permits, curb and sidewalk permits, demolition, floodplain permits, garage sale permits, and other categories. 3. Complete all fields and upload plans and supporting documents, or email materials when the city instructs that route. 4. For building permits, Franklin processing time is up to 2 weeks for residential and up to 30 business days for commercial. 5. Schedule inspections after permit issuance and keep approved plans on site.
How long does it take to get a building permit in Franklin, OH?: Typical processing time is Residential up to 2 weeks; commercial up to 30 business days.
How do I schedule a building inspection in Franklin, OH?: Inspections can be scheduled via: 937-746-9921 ext. 1001 (residential); 513-695-1290 (commercial/Warren County). No same-day inspections.

Need help with your project?

Navigating permits in Franklin can be complicated.

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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.

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