Demolition Permit Requirements in Ontario, OR
Ontario's Building Department (Building Official Eddie Alvarez) enforces the Oregon Structural Specialty Code (OSSC) and Oregon Residential Specialty Code (ORSC) for structural, mechanical, manufactured dwelling, and solar permits. Per the City of Ontario Building Department Fee Schedule (Resolution 2024-114, effective 11/18/2024), ELECTRICAL and PLUMBING permits are issued and inspected by the Malheur County Building Department (316 NE Goodfellow St, Ontario, OR 97914; (541) 372-5460), not the City of Ontario. Online permitting is through Oregon ePermitting (Accela). Residential structural permit fees start at $40 minimum; commercial at $76 minimum. State surcharge is 12% of the building permit fee. Plan review is 65% of the building permit fee. The city does not enforce residential electrical/plumbing code, applicants must obtain those separately from Malheur County. Oregon is a state-adopted code jurisdiction, cities cannot amend ORSC/OSSC.
By Joey, Founder · Last verified April 14, 2026 · How we research →
When you do need a permit
Residential demolition requires a demolition permit from the Ontario Building Department. Per the 2024-114 fee schedule, the residential demolition permit is $50 flat. Plans and scope of work must be submitted, and proof of Oregon DEQ asbestos survey/notification is required. No state surcharge applies to demolition.
Commercial demolition requires a demolition permit from the Ontario Building Department. Per the 2024-114 fee schedule, the commercial demolition permit is $100 flat. Engineered plans may be required. Oregon DEQ asbestos survey required.
Demolition Permit Costs: Ontario vs. Nearby
Ontario comes in on the low side for Oregon. You're looking at $50 – $100 here, compared to the state average of $245 – $1,120.
| City | Estimated Fee |
|---|---|
| Ontario | $50 – $100 |
| Portland | $300 – $1,500 |
| Portland | $150 – $750 |
| Portland | $300 – $1,200 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.
Zoning & HOA Considerations
Properties in historic districts may require historic review board approval before demolition. Some cities require a waiting period for demolition permits to allow for public comment.
If you live in an HOA community: demolition of visible structures (garages, sheds, accessory buildings) may require HOA notification or approval. Check your CC&Rs, some communities require maintaining certain structures or replacing them within a set timeframe.
Estimated Project Timeline in Ontario
Here's a typical timeline for a demolition project in Ontario, OR:
Timeline is based on Ontario's typical About 2 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
Check your specific project
Answer a few quick questions to get a personalized answer for your exact project.
Check Now, Free →Building Department Contact
Frequently Asked Questions
Estimated permit fees for Demolition projects in Ontario, OR range from $50. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Demolition projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Ontario can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Demolition permits in Ontario is About 1 week. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate, you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About Demolition Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Demolition Guide →