jaspector
County building permits

Unincorporated Montgomery County

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

Last verified
April 2026
On this page 6
§ 01

Permit authority

Montgomery County Building Regulations

Street address
451 W. Third St., 10th Floor, Dayton, OH 45422-1070
Coverage
Montgomery County serves unincorporated areas, including townships, and also issues permits for several partner jurisdictions. It enforces building codes, flood damage prevention regulations, and airport zoning around Wright-Patterson Air Force Base.
Online portal
Accela Citizen Access
Accela Citizen Access
§ 02

When a permit is required

Permit triggers and exempt work for Montgomery County

The county enforces building codes for new construction, additions, alterations, changes in use, and flood-damage-prevention regulated work in its service area.

Note: The county page did not publish a single concise exempt-work list. Applicants should use the Building Regulations FAQs and confirm with staff before assuming work is exempt.

Required documents
  • PDF plan set, unlocked for commenting, flattened, no image files, with file names using letters and numbers only
  • Permit application and supporting materials
Building code
Ohio Building Code, Ohio Residential Code, Ohio Fire Code, plus county-administered floodplain and WPAFB airport zoning requirements where applicable.
Contractor requirements
Ohio has no statewide general contractor license. OCILB trade licensing applies for electrical, plumbing, HVAC, and hydronics work.

Source: Montgomery County Building Regulations ↗

§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Identify whether the property is in unincorporated county jurisdiction and check any local township zoning requirements.
  2. 02
    Create an Accela account using the county's online guide.
  3. 03
    Submit the permit application, PDFs, and supporting documents through Accela.
  4. 04
    Respond to comment letters, upload revisions, and pay fees through the online payment portal.
  5. 05
    After permit issuance, schedule required inspections and obtain final approval.

Source: Montgomery County Building Regulations ↗

§ 04

Fee schedule

Effective January 1, 2026

Fee type
Amount
01
Plan check fee
Included in county fee schedule as applicable
02
Permit fee formula
Schedule-based under the county's effective January 1, 2026 fee structure
03
Reinspection fee
County reinspection and other charges apply where required by the fee schedule

County online payments use Point and Pay; credit or debit cards carry a 2.30 percent service fee with a 2.00 dollar minimum per transaction, and eCheck or ACH costs 0.50 dollars per transaction.

Fees change periodically. Confirm at the official fee schedule ↗ (effective January 1, 2026) before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • 937-225-4622 (phone)
Inspection hours
Monday through Friday, 8:00 a.m. to 4:30 p.m.

Typical sequence: Application, plan review, permit issuance, phased inspections, final inspection

Source: Montgomery County Building Regulations ↗

§ 06

Frequently asked

Common questions about unincorporated Montgomery County permits

01 Do I need a building permit in unincorporated Montgomery County, OH?
The county enforces building codes for new construction, additions, alterations, changes in use, and flood-damage-prevention regulated work in its service area.
02 How much does a building permit cost in unincorporated Montgomery County, OH?
Building permit fees in unincorporated Montgomery County, OH are set by the local building department and vary by project type and valuation. Fees are calculated as: Schedule-based under the county's effective January 1, 2026 fee structure. Plan check fee: Included in county fee schedule as applicable.
03 How do I apply for a building permit in unincorporated Montgomery County, OH?
To apply for a building permit in unincorporated Montgomery County, OH, follow these steps: 1. Identify whether the property is in unincorporated county jurisdiction and check any local township zoning requirements. 2. Create an Accela account using the county's online guide. 3. Submit the permit application, PDFs, and supporting documents through Accela. 4. Respond to comment letters, upload revisions, and pay fees through the online payment portal. 5. After permit issuance, schedule required inspections and obtain final approval.
04 How do I schedule a building inspection in unincorporated Montgomery County, OH?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Montgomery County, OH via: 937-225-4622.
last verified April 2026 source Montgomery County Building Regulations ↗ entry id permits/ohio/montgomery/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Montgomery County Building Regulations before applying. Jaspector is not legal advice.