Blendon Township’s Residential Building Department is managed by the Franklin County Building Department. All residential properties within the unincorporated areas of Blendon Township are subject to the Ohio Building Code, which ensures that construction and renovations meet established safety and quality standards. The Franklin County Building Department, led by Chief Building Official Josh Wareham, has jurisdiction over residential building matters in the Township. They are responsible for issuing all residential building permits, conducting inspections, and ensuring compliance with the Ohio Building Code. Residents can contact the Franklin County Building Department for assistance with permits, inspections, or questions regarding residential construction and code requirements at Building@FranklinCountyOhio.gov or by telephone at (614) 525-3166.

Before applying for a building permit through Franklin County, you may need to obtain a Certificate of Zoning Compliance. To determine whether a Certificate of Zoning Compliance is required for your project, please visit our Zoning Department page , where you can review the guidelines outlining what does and does not require this certification. This step ensures your project aligns with Blendon Township’s zoning regulations before proceeding with the building permit application.

About the Residential Building Department:

The Franklin County Building Department is responsible for issuing building permits for 1-, 2- and 3-family residential structures and associated development.  Blendon Township’s Commercial Building Department issues commercial building permits.

For Franklin County Building Code, refer to the 2019 Residential Code of Ohio (RCO). You can also obtain the 2019 RCO from any of the Public Libraries or online

Refer to Section 105.1 of the 2019 RCO for information of when approvals from the Building Department are required.

The preferred method for submitting materials to the Building Department is electronically to Building@FranklinCountyOhio.gov or on their Permit Portal.  Hard copies are accepted at 142 S. Front Street, Columbus, OH 43215.

Residential Building Department Frequently Asked Questions:

How do I know if I need a Building Permit?

You must obtain a building permit for any of the following activities:

• Interior alteration (residential)
• Replacement of doors, windows, roofing and/or siding (residential)
• Building New House
• Building Modular House
• Building Detached Garage/Pole Barn
• Building Deck
• Building Swimming Pool
• Building Sunroom/Porch
• Building any accessory structure greater than 200 sq.ft
• Moving a Structure
• Demolition of a Structure

Who can apply for a Building permit?

A homeowner, contractor, or individual acting as the owner's agent may apply for a building permit. Heating and Electrical permits are required to be obtained by a contractor licensed with the Franklin County Development Department or by the homeowner.

Do I need to have a contractor’s license to work in Blendon Township?

You do not need a Contractor's License to obtain a structural building permit to work in the unincorporated areas of Blendon Township, however, to perform electrical, heating, or plumbing work you must possess a valid license.

Do I need an architect or engineer to draw my plans?

It is not necessary to have an architect, or an engineer prepare the drawings for most building projects, occasionally stamped drawings are required if the project involves non-standard construction methods or excessive or unusual design considerations.

How many sets of drawing do I need for a building permit?

1 electronic copy, flattened in PDF format.

Do I need separate Heating or Electrical permits?

Yes, electrical, heating, plumbing, well, and septic all require separate permits. Generally, the contractor performing the work applies for the permit as the owner’s agent. In this way the Building Department can verify the validity of the contractor’s license. An owner may obtain a homeowner's permit if performing the work themselves after signing an affidavit to that effect.

What Code does the Franklin County Building Department use?

For Franklin County Building Code, please refer to the 2019 Residential Code of Ohio (RCO). You can obtain the 2019 RCO from any public library or online.

What is the frost depth?

The frost depth is 32" for Franklin County if you are building normal conventional construction.

How big do my footings need to be?

For a typical 8" block or poured wall foundation the footings must be at least 8" thick and 16" wide. A typical pad supporting a basement or crawlspace column must be 12" thick and 36" square.

What is Foundation Waterproofing and when is it required?

Foundation Waterproofing is any of a number of code approved methods for treating the exterior of the foundation wall to prevent the passage of water through the foundation wall. This is different from the code approved damp proofing method of parging the block and applying a bituminous coating.

A waterproofing system is required on all basement foundations where they retain earth and enclose interior spaces and floors below grade.

What is an "Egress Window"?

Most window manufacturers have windows that are designated "Egress Windows" that meet the following code requirements:

An Egress window is a window that is required to be installed in all sleeping rooms approved for emergency egress or rescue. The window must be operable from the inside to a full clear opening without the use of a key or tool. Where windows are provided as a means of egress or rescue, they shall have a sill height of not more than 44 inches above the floor. All egress windows from sleeping rooms must have a net clear opening of 5.7 square feet. The minimum net clear opening height shall be 22 inches. The minimum net clear opening width shall be 20 inches.

What is a Bonding Inspection?

An Electrical Bonding inspection is required on all hot tub, spa, and swimming pool installations. It ensures that all the metal components including ladders, lights, motors, and reinforcing steel are properly tied together to form an equipotential bond to eliminate voltage gradient. The inspection must be made prior to obtaining a footing inspection for an inground pool installation.

Do I need a permit for an above ground swimming pool?

You do not need to obtain a building permit for an above ground pool, but a Zoning Compliance is required for any pool.

Where do I get a plumbing permit?

Plumbing, Well and Septic Permits can be obtained at the Franklin County Public Health at: 280 East Broad Street, Columbus 43215 Tel: 614) 525-3160.

How do I know if my property is in Blendon Township?

The easiest way to find out the jurisdiction in which your property is located is to contact our office with the property address. Alternatively, you can visit the Franklin County Auditor's web site and search the property data base yourself. Searches can be performed by owner name, address, or Tax Parcel ID number.