City Building Permits
Union, KY - 2026 Building Permit Guide
How to apply for a building permit in Union, Kentucky. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Union's business packet identifies Boone County Building Permits and Boone County Planning Commission as the primary permitting contacts. City of Union separately controls local public works and encroachment matters and publishes its city hall contact at 1843 Bristow Drive, Union, KY 41091, 859-384-1511.
- Department
- Boone County Building Department
- Address
- 2950 Washington Street, 3rd Floor, Burlington, KY 41005
- Phone
- 859-334-2218
- bcbd@boonecountyky.org
Online Permit Portal
Platform: Oracle Public Sector • Account required: Yes • Submission: In-person only
Additional resources:
Application Process
- Identify whether the project needs local city coordination in addition to county review. Union's materials direct applicants to Boone County Building Permits and Boone County Planning Commission, and county zoning forms separately note City of Union contact for encroachment permits in Union.
- Obtain zoning or development approval through Boone County Planning Commission when required.
- Register in the Boone County Oracle portal and submit the building permit application with plans and supporting forms.
- County staff reviews the submission, routes it to plan review, and sets fees in Oracle.
- Pay fees online and respond to any required revisions.
- Wait for formal permit issuance before beginning work.
- Download the permit and stamped plans and keep them on site for inspections.
Typical processing time: No Union-specific review timeline found. County notes 1 to 2 additional days for issuance after approval.
Source: Boone County Building Department
General Requirements
Union does not publish a separate building-permit threshold page; the city refers applicants to Boone County Building Department, whose permit requirement standard covers construction, enlargement, alteration, repair, movement, demolition, occupancy changes, and regulated trade systems.
Required Documents
- County permit application
- Plans
- Supporting specification sheets
- Affidavit of Assurances
- Zoning approval when required
- Union-adjacent work may also need city encroachment coordination
- Permit validity
- County states permits expire if work does not begin within 6 months, with extensions available.
- Building code
- Union routes building permits through Boone County Building Department, whose codes page references the 2018 Kentucky Building Code and 2018 Kentucky Residential Code.
- Owner-builder
- No separate Union owner-builder rule found. County permit materials allow filing by an owner or authorized agent.
- Contractor requirements
- County permit materials require Affidavit of Assurances for all projects and trade-specific state credentials where applicable. Union business materials do not publish a separate contractor permit licensing standard.
Fees
- Minimum permit fee
- $50 (residential alteration); $150 (commercial)
- Plan check fee
- Commercial fee includes plan review and inspections; residential page lists a $50 plan revision fee rather than a separate initial plan-check fee.
- Permit fee formula
- County valuation table and flat-fee mix.
- Reinspection fee
- $50 (residential)
- Penalty (no permit)
- Permit fees double for work begun without a required permit.
- Payment note
- County Oracle portal uses fee assessment after intake review and accepts Visa or Mastercard online.
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Boone County Building Department to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- 859-334-2218 option 1 (building); 859-746-9111 (electrical); 859-341-8228 (plumbing) (phone)
- Scheduling deadline
- Call at least 24 hours ahead. Electrical and plumbing inspections are coordinated through their separate listed offices.
- Inspection hours
- County office hours Monday through Friday, 8:00 AM to 5:00 PM; Union city hall hours listed in the business packet are Monday through Friday, 10:00 AM to 4:00 PM.
Typical inspection sequence: County sequence varies by permit type. For a single-family dwelling: footer, foundation or slab, vapor barrier or insulation for walkout, frame and fire block, insulation, apron or sidewalk if applicable, and final.
Additional Resources
- Building code: Union routes building permits through Boone County Building Department, whose codes page references the 2018 Kentucky Building Code and 2018 Kentucky Residential Code.
- Zoning information: View zoning info
- Union business packet
- Union city hall contact page
- Union administration page
- County forms page, including Union encroachment form link
- License lookup guide: Kentucky Contractor License Requirements
- Contract template: Kentucky Homeowner-Contractor Agreement
- Kentucky hub: Kentucky Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Boone County Building Department before applying.
Frequently Asked Questions
Union Building Permit FAQ
- Do I need a building permit in Union, KY?
- Union does not publish a separate building-permit threshold page; the city refers applicants to Boone County Building Department, whose permit requirement standard covers construction, enlargement, alteration, repair, movement, demolition, occupancy changes, and regulated trade systems.
- How much does a building permit cost in Union, KY?
- The minimum permit fee is $50 (residential alteration); $150 (commercial). Fees are calculated as: County valuation table and flat-fee mix.. Plan check fee: Commercial fee includes plan review and inspections; residential page lists a $50 plan revision fee rather than a separate initial plan-check fee..
- How do I apply for a building permit in Union, KY?
- 1. Identify whether the project needs local city coordination in addition to county review. Union's materials direct applicants to Boone County Building Permits and Boone County Planning Commission, and county zoning forms separately note City of Union contact for encroachment permits in Union. 2. Obtain zoning or development approval through Boone County Planning Commission when required. 3. Register in the Boone County Oracle portal and submit the building permit application with plans and supporting forms. 4. County staff reviews the submission, routes it to plan review, and sets fees in Oracle. 5. Pay fees online and respond to any required revisions. 6. Wait for formal permit issuance before beginning work. 7. Download the permit and stamped plans and keep them on site for inspections.
- How long does it take to get a building permit in Union, KY?
- Typical processing time is No Union-specific review timeline found. County notes 1 to 2 additional days for issuance after approval..
- How do I schedule a building inspection in Union, KY?
- Inspections can be scheduled via: 859-334-2218 option 1 (building); 859-746-9111 (electrical); 859-341-8228 (plumbing). Call at least 24 hours ahead. Electrical and plumbing inspections are coordinated through their separate listed offices..
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