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§ 02
When a permit is required
Permit triggers and exempt work for Union County
Building permits are required for all new construction, structural alterations, and certain repairs in unincorporated Union County.
Required documents
- Completed permit application
- Construction plans and drawings
- Site plan
- Electrical, plumbing, and mechanical plans (if applicable)
- Energy compliance documentation (residential projects)
- Applicant identification and contact information
- Building code
- 2023 Oregon Residential Specialty Code (ORSC) for residential; Oregon State Building Code (OSBC) for commercial; 2022 Oregon Fire Code
- Permit validity
- Building permits are valid for 180 days from issuance. Work must commence within this period or permit voids. If work is suspended for 180 consecutive days, permit becomes void.
- Contractor requirements
- Contractors must hold a valid Oregon Contractors License Board (CCB) license.
§ 03
Application process
Typical processing: 10-15 business days for initial review, varies by project complexity
- 01 Determine permit type required for your project (building, electrical, plumbing, mechanical, etc.)
- 02 Prepare required construction plans and documentation per Oregon Building Code
- 03 Submit application through Oregon ePermitting system (BuildingPermits.Oregon.gov) or contact Union County Building Division
- 04 Submit plans to Union County Building Division for review
- 05 Address any plan review comments or requests for additional information
- 06 Pay all required permit and plan review fees
- 07 Obtain permit and schedule required inspections
Typical processing time: 10-15 business days for initial review, varies by project complexity
Source: Union County Building Division (Planning Department) ↗
§ 04
Required inspections
Scheduling and sequence
How to schedule
- 541-963-1014 (phone)
§ 05
Frequently asked
Common questions about unincorporated Union County permits
01 Do I need a building permit in unincorporated Union County, OR? ▸
Building permits are required for all new construction, structural alterations, and certain repairs in unincorporated Union County.
02 How do I apply for a building permit in unincorporated Union County, OR? ▸
To apply for a building permit in unincorporated Union County, OR, follow these steps: 1. Determine permit type required for your project (building, electrical, plumbing, mechanical, etc.) 2. Prepare required construction plans and documentation per Oregon Building Code 3. Submit application through Oregon ePermitting system (BuildingPermits.Oregon.gov) or contact Union County Building Division 4. Submit plans to Union County Building Division for review 5. Address any plan review comments or requests for additional information 6. Pay all required permit and plan review fees 7. Obtain permit and schedule required inspections
03 How long does it take to get a building permit in unincorporated Union County, OR? ▸
Building permit processing times in unincorporated Union County, OR typically run 10-15 business days for initial review, varies by project complexity. Timelines can vary based on project complexity and current department workload.
04 How do I schedule a building inspection in unincorporated Union County, OR? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Union County, OR via: 541-963-1014.
last verified April 2026
source Union County Building Division (Planning Department) ↗
entry id permits/oregon/union/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Union County Building Division (Planning Department) before applying. Jaspector is not legal advice.