On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Ontario
A building permit is required for all construction within the City of Ontario, including new construction, additions, and most alterations.
Note: All construction within City of Ontario requires permits. Refer to Oregon State Building Code for state-level exemptions, but verify with city before proceeding.
Required documents
- Completed permit application and checklist
- Scaled site/plot plan showing property lines, utilities, existing/proposed structures, driveways, easements
- Two complete sets of construction plans (minimum) including foundation, floor plans, cross-sections, elevations, wall bracing, framing, and structural calculations where required
- Truss documents (if applicable)
- Energy-code compliance documentation
- Local land-use approval (zoning clearance) from Planning & Zoning
- Public Works approval (if applicable)
- Floodplain determination
- Certificate of Occupancy must be obtained before occupancy of new/redeveloped/remodeled habitable, commercial, or industrial space
- Homeowner Acknowledgement Form (if applying online as homeowner)
- Building code
- Oregon State Building Code (OSBC) plus City of Ontario zoning and development ordinances.
- Permit validity
- Permit expires if work is not started within 180 days of issuance, or if work is suspended for 180 days.
- Owner-builder
- Owner exemptions exist under state law but are narrowly defined.
- Contractor requirements
- Licensed contractors required (CCB license for general construction, dual licensing for electrical/plumbing). Homeowner exemptions apply in limited cases.
§ 03
Application process
Typical processing: Plan review timelines vary; residential permits typically 4-8 weeks including plan review and resubmittals.
- 01 Attend Pre-Development Advisory Committee (PDAC) meeting with Planning & Zoning Department before site plans are finalized. PDAC typically includes Fire, Public Works, Building, Planning, and other departments.
- 02 Submit structural permit application to Building Division with completed checklist, zoning clearance, and required documentation.
- 03 For residential permits, verify floodplain determination and provide local land-use approval from Planning & Zoning.
- 04 Upload all required application materials and construction plans to Oregon ePermitting portal (Accela). Create ePermitting account and submit Homeowner Acknowledgement Form if homeowner.
- 05 Building Department reviews completeness and routes for plan review to relevant departments.
- 06 Pay plan-check and application fees; applications are not considered submitted until fees are paid.
- 07 Respond to correction comments and upload revised documents if required.
- 08 Pay remaining permit fees and obtain permit issuance before starting work.
- 09 Schedule and complete mandatory inspections for residential (1-2 family) and commercial projects.
Typical processing time: Plan review timelines vary; residential permits typically 4-8 weeks including plan review and resubmittals.
§ 04
Fee schedule
Ontario building permit fees
Fee type
Amount
01
Permit fee formula
Based on project valuation; includes state surcharges.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- (541) 889-5557 (phone)
- Oregon ePermitting portal (online)
Typical sequence: Typical inspection sequence for residential (1-2 family) includes multiple required inspections. Commercial requires additional inspections.
§ 06
Frequently asked
Common questions about Ontario permits
01 Do I need a building permit in Ontario, OR? ▸
A building permit is required for all construction within the City of Ontario, including new construction, additions, and most alterations.
02 How much does a building permit cost in Ontario, OR? ▸
Building permit fees in Ontario, OR are set by the local building department and vary by project type and valuation. Fees are calculated as: Based on project valuation; includes state surcharges..
03 How do I apply for a building permit in Ontario, OR? ▸
To apply for a building permit in Ontario, OR, follow these steps: 1. Attend Pre-Development Advisory Committee (PDAC) meeting with Planning & Zoning Department before site plans are finalized. PDAC typically includes Fire, Public Works, Building, Planning, and other departments. 2. Submit structural permit application to Building Division with completed checklist, zoning clearance, and required documentation. 3. For residential permits, verify floodplain determination and provide local land-use approval from Planning & Zoning. 4. Upload all required application materials and construction plans to Oregon ePermitting portal (Accela). Create ePermitting account and submit Homeowner Acknowledgement Form if homeowner. 5. Building Department reviews completeness and routes for plan review to relevant departments. 6. Pay plan-check and application fees; applications are not considered submitted until fees are paid. 7. Respond to correction comments and upload revised documents if required. 8. Pay remaining permit fees and obtain permit issuance before starting work. 9. Schedule and complete mandatory inspections for residential (1-2 family) and commercial projects.
04 How long does it take to get a building permit in Ontario, OR? ▸
Building permit processing times in Ontario, OR typically run Plan review timelines vary; residential permits typically 4-8 weeks including plan review and resubmittals.. Timelines can vary based on project complexity and current department workload.
05 How do I schedule a building inspection in Ontario, OR? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Ontario, OR via: (541) 889-5557, Oregon ePermitting portal.
last verified April 2026
source City of Ontario Building Division ↗
entry id permits/oregon/malheur/ontario
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Ontario Building Division before applying. Jaspector is not legal advice.