Engineering Letters & Site Inspection Services — Ontario-Wide
Engineering Letters & Site
Inspection Services Across Ontario
Stamped engineering letters and professional site inspections — fast, accurate, and accepted by municipalities, lenders, and contractors across Ontario. Every letter prepared under P.Eng. supervision.
Engineering Letters
What Are Stamped Engineering Letters and When Do You Need One?
A stamped engineering letter is a written statement prepared and stamped by a licensed Professional Engineer (P.Eng.) that confirms a specific structural or technical fact about a building or construction project. In Ontario, only a licensed P.Eng. can legally issue a stamped engineering letter — it carries the full weight of the engineering profession behind it.
These letters are commonly required by mortgage lenders (as a condition of refinancing or purchase), municipalities (as a condition of permit approval or occupancy), insurance companies (to confirm structural condition after an incident), and property buyers (as part of due diligence). Without the right letter — from the right professional — your transaction, permit, or approval stalls.
At MAY Engineering, every engineering letter is prepared by a team working under P.Eng. supervision — ensuring the letter is technically accurate, properly stamped, and accepted on first submission. Our letters integrate with our broader structural engineering and permit drawings services for seamless project support.
P.Eng.
Licensed engineer stamp on every letter
3–7 Days
Typical turnaround for straightforward letters
100%
Accepted by Ontario municipalities and lenders
Ontario
Province-wide service — no location too far
Engineering Letter Types
Stamped Engineering Letters We Prepare in Ontario
Each letter type serves a different purpose — and each one is prepared under P.Eng. supervision with the specific requirements of the requesting party in mind.
Structural Engineering Letters
Confirm the structural integrity or condition of a specific building component. Often required for additions, renovations, or after a structural assessment. Accepted by municipalities and building departments across Ontario.
"You're adding a second floor to your home and the municipality requires a stamped letter confirming the existing foundation can support the additional load."
Lender Engineering Letters
Stamped engineering letters prepared specifically for mortgage lenders and financial institutions. Confirm structural condition, remaining lifespan of key systems, or OBC compliance — required for refinancing, property sales, and CMHC applications.
"Your bank won't approve the mortgage refinance until a licensed engineer certifies the building is structurally sound with no major deficiencies."
Municipal Engineering Letters
Engineering letters addressed to Ontario municipalities confirming compliance with specific building code provisions, zoning requirements, or site conditions. Prepared for building permit applications and occupancy approvals.
"The building department needs a stamped letter confirming your renovation meets OBC structural requirements before they'll issue the occupancy permit."
Site Inspections
Professional Site Inspection Services Across Ontario
MAY Engineering provides professional engineering site inspections for residential and commercial construction projects across Ontario. Our inspections are performed by technically trained engineers who know what to look for — identifying deficiencies before they become expensive problems. These inspections integrate directly with our construction project management and consulting services for full project oversight.
Progress Inspections
Periodic site inspections at key construction milestones to verify work conforms to the stamped drawings and Ontario Building Code requirements. Keeps your project on track and compliant — and catches issues before they are buried behind drywall.
Construction Reviews
General construction review services — our engineers visit the site to observe ongoing work, identify potential issues, and provide written reports for the owner, contractor, or lender. An objective set of engineering eyes on your project.
Pre-Occupancy Inspections
Final inspection before occupancy to confirm the building is structurally sound and ready for use. Often required by municipalities and lenders before issuing an occupancy permit. Includes a written report with findings and any required actions.
Deficiency Inspections
Targeted inspections to identify and document construction deficiencies — incomplete work, non-compliant installations, or building envelope issues. Includes a detailed written report with photos, findings, and prioritized recommendations for rectification.
Who Needs These Services
Who Needs Engineering Letters and
Site Inspections in Ontario?
If you're asking "do I need an engineering letter or site inspection?", the answer is probably yes. Here are the most common scenarios we handle — each one backed by real cases we see every week across Ontario.
Homeowner refinancing
Your lender requires a stamped engineering letter confirming the structure is sound before approving the refinance. MAY Engineering prepares the letter — fast, accurate, lender-accepted.
Contractor mid-construction
The municipality wants an engineer to confirm that the framing matches the stamped drawings before you can proceed. Our site inspector is on site within days, not weeks.
Developer nearing occupancy
You need a pre-occupancy inspection and report before the city issues the occupancy permit. Our engineers know exactly what municipalities look for.
Buyer doing due diligence
You're buying a property and want an engineer to inspect the structure before you close. We deliver a detailed report with photos, findings, and clear recommendations.
Lender requiring certification
The bank won't release funds until a P.Eng. certifies the project is built to code. Our stamped letter satisfies lender requirements across Ontario.
Owner in a dispute
You need an independent engineering assessment to document deficiencies or confirm compliance. Our written report carries the weight of P.Eng. authority.
Engineering Letters & Site Inspection FAQs — Ontario
Engineering Letters & Site Inspections Across Ontario
MAY Engineering provides stamped engineering letters and professional site inspection services to clients across Ontario — including Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Hamilton, Kitchener, London, Ottawa, Barrie, Oshawa, Windsor, and all surrounding areas.