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Dearborn County, IN Building Safety: Building Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified October 2026

Key Facts

Permit issuer
Dearborn County Building Commissioner
Timing
Before commencement of construction
Required with application
Scaled plans, scaled plot plan, and the County Commissioners' fee
Maximum fine
$2,500 under § 150.18
Occupancy
Certificate of occupancy required under § 150.11
Where it applies
Unincorporated Dearborn County, Indiana only

Summary

Construction in unincorporated Dearborn County, Indiana is prohibited without a valid building permit from the Building Commissioner, obtained before work begins. The application needs scaled plans, a plot plan and the fee set by the County Commissioners. Violations carry a fine of up to $2,500.

These county ordinances apply to unincorporated areas of Dearborn County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

§ 150.08 BUILDING PERMIT REQUIRED. ... Construction is prohibited unless in conformity with a valid building permit obtained from the Building Commissioner prior to commencement of construction. ... § 150.09 APPLICATION FOR BUILDING PERMIT. (A) Any person required to have a building permit shall submit a complete application to the Building Commissioner. (B) This application shall be submitted on a form prepared by the Building Commissioner, and shall contain the following: ... (2) A clear and understandable copy of detailed plans and specifications drawn to scale, which indicate in a precise manner the nature and location of all work to be accomplished. (3) A plot plan drawn to scale; ... (6) The fee established by the County Commissioners. ... § 150.10 ISSUANCE OF BUILDING PERMIT. The Building Commissioner shall issue a building permit to a person after the person has submitted a complete application, including any applicable fee, provided that the proposed construction will conform to all applicable building laws and will not violate any other applicable ordinances or laws.

Full Breakdown

Section 150.08 of the Dearborn County Code is the permit trigger: construction is prohibited unless it conforms to a valid building permit obtained from the Building Commissioner prior to commencement of construction. Under § 150.04, all construction must comply with Chapter 150, though the subchapter does not apply to certified industrialized building systems or mobile structures, or to regulated amusement devices, boilers, pressure vessels and lifting devices.

The application rules sit in § 150.09. Any person required to have a permit files a complete application with the Building Commissioner, either personally or through an employee or agent, and the Building Commissioner can require written authority from that agent. The form asks for information to locate and contact the applicant, detailed plans and specifications drawn to scale showing the nature and location of all work, and a plot plan drawn to scale. The plot plan is not required when all the construction occurs entirely within an existing structure. It shows the structure in relation to existing property lines and the streets, curbs and sidewalks. If Indiana law or a Fire Prevention and Building Safety Commission rule requires it, the applicant also attaches a design release issued by the Building Law Compliance Officer. The fee established by the County Commissioners completes the package.

Section 150.10 requires the Building Commissioner to issue the permit once the application is complete, any fee is paid, and the proposed construction will conform to all applicable building laws and other ordinances. The fee appendix to Chapter 150 sets separate schedules for nonresidential and residential work. For any permit type not listed, the fee is calculated to the most similar listed type, at the discretion of the Building Commissioner.

Permit status carries consequences after issuance. Under § 150.14 the Building Commissioner can withhold new permits from an applicant who owes fees, or for a structure not in conformance with a zoning or other land-use ordinance. Section 150.15 allows revocation for a false statement or misrepresentation of a material fact, lack of compliance with building standards, failure to comply with the subchapter, or nonconformance with a land-use ordinance. Section 150.11 bars occupancy of a building until the Building Commissioner issues a full, partial, or temporary certificate of occupancy.

Violations & Fines

Construction without a permit in force is grounds for a written stop-work order under § 150.16(C)(3), posted conspicuously on the property. Section 150.18 sets a fine not exceeding $2,500 for any violation of the subchapter, and § 150.17 lets the county sue in court to restrain violations. An aggrieved person can petition for review under § 150.19 through the Fire Prevention and Building Safety Commission, a local body, or a court.

Frequently Asked Questions

When is a building permit required in unincorporated Dearborn County, Indiana?
Section 150.08 prohibits construction unless it conforms to a valid building permit obtained from the Building Commissioner prior to commencement of construction. Section 150.03 defines construction to include erecting a structure, installing permanent systems such as electrical and plumbing, and altering or adding to a structure.
What must I submit with a Dearborn County building permit application?
Section 150.09 calls for a completed form, detailed plans and specifications drawn to scale, a plot plan drawn to scale, any required state design release, any additional information the Building Commissioner finds necessary, and the fee established by the County Commissioners. A plot plan is waived for work entirely inside an existing structure.
Can the county refuse or cancel my permit?
Yes. Section 150.14 lets the Building Commissioner withhold permits while you owe fees or while the property violates a zoning or land-use ordinance. Section 150.15 allows revocation for false statements, noncompliance with building standards, or use that conflicts with a land-use ordinance.
Do Lawrenceburg or Aurora residents use this county permit?
No. This is the Dearborn County code for unincorporated Dearborn County, Indiana. Lawrenceburg, Aurora, Greendale, Dillsboro, Moores Hill, St. Leon and West Harrison are separate municipalities. It has no connection to Dearborn, Michigan.

Sources & Official References

Other rules in Dearborn County

All Dearborn County rules

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