Administrative overview · FIPS 39041
Delaware County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
Municipal Fallback
This profile identifies a handoff outside the county’s ordinary structural permitting lane.
Required jurisdiction check
Confirm the controlling local or state authority before filing.
The record is marked Municipal Fallback. That means the county profile should be treated as a routing brief: incorporated municipalities, a state building department, or a state fire marshal may control plan review, permits, and inspections. Contact the named agency below and verify the parcel’s jurisdiction before paying a fee or scheduling field work.
Responsible agency
Delaware County Department of Building Safety and local municipal building departments
For a project in or near Delaware County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
740-833-2200; inspection scheduling 740-833-2222
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
1610 State Route 521, PO Box 8006, Delaware, OH 43015
Operating hours
Monday-Friday 8:00 AM-4:30 PM
Review expectation
The county advises that permit status is searchable about 72 hours after all required documents are submitted; inspection requests received before 3:00 PM are generally scheduled for the next business day.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Delaware County
Who handles permitting for this jurisdiction?
This record is marked Municipal Fallback. Confirm whether a city, state agency, or other local authority controls the parcel before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact 740-833-2200; inspection scheduling 740-833-2222.
How long might review take?
The county advises that permit status is searchable about 72 hours after all required documents are submitted; inspection requests received before 3:00 PM are generally scheduled for the next business day.
How are inspections scheduled?
Request inspections through the Delaware County public portal or by email to building@co.delaware.oh.us. Requests received by 3:00 PM are generally scheduled for the following business day; include permit number, project address, inspection type, requested time where applicable, and contact information. Fees must be paid before scheduling.
Which codes and exemptions should I review?
2024 Ohio Building Code, Ohio Mechanical Code, Ohio Plumbing Code, and Ohio Existing Building Code based on 2021 International model codes effective March 1, 2024, plus the Residential Code of Ohio and applicable Delaware County building regulations. The county publishes an 'Exempt from Approval' residential section and accessory-building guidance, but the specific exemption list is delivered through its current forms and project-requirements pages; confirm whether a project qualifies before work begins. Zoning, floodplain, and agricultural-exemption documents are handled through the county's Building Safety site.