Ontario Building Permit & Engineering Resource Centre

Explore Our Engineering and Building Permit Guides

Deltoid Consulting Inc. provides practical resources and answers to common questions related to engineering design, building permits, and Ontario Building Code requirements for residential, commercial, and institutional projects.

How to Find and Hire the Right Engineering Consultant for Your Project

How to Get a Building Permit in Ontario

Committee of Adjustment in Ontario: Minor Variance & Consent Applications

Removing a Load-Bearing Wall: Do You Need a Structural Engineer in Ontario?

Additional Residential Units (ARUs) & Secondary Suites in Ontario

Deck, Porch and Sunroom Permits in Ontario: What Homeowners Need to Know

Grading Plan Requirements in Ontario

Restaurant Renovation Permits in Ontario, Engineering & Design Requirements

Building Permit Costs in Ontario: What to Expect in 2026

Garden Suites in Ontario: Complete Guide to Planning, Design & Building Permits

Parking Space Dimensions in Toronto and the GTA

Basement Underpinning & Lowering in Toronto

Home Additions & Extensions in Toronto

Multiplex Design & Building Permits in Toronto and Ontario

Condo Renovation & Interior Alteration Permits in Toronto and the GTA

Structural Inspections Before Buying a House in Ontario

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