7 Questions to Vet a Structural Engineer for Your Home Build

Table of Contents

• Why the Structural Engineer You Hire Shapes the Whole Build
• Structural Engineer Cost for a Residential Project in CAD
• Credentials to Verify: Licence, Insurance and Relevant Experience
• Questions to Ask a Structural Engineer Before Hiring
• Scope of Work, Deliverables and Red Flags in the Contract
• Structural Engineering Design Requirements for Building Permits
• Booking Your Structural Engineer and Coordinating the New Build
• Frequently Asked Questions

Why the Structural Engineer You Hire Shapes the Whole Build

Last Updated: November 4, 2026

Choosing the right structural engineer for home builds is one of the most important decisions in a new custom home project. The engineer you pick signs off on the foundation, the framing and the roof, so their work affects safety, cost and how smoothly the build runs. Mario Laflamme Contracting & Renovation Ltd has seen how much a good engineering plan saves time on site, and the research backs this up: engaging a qualified engineer can save a homeowner 10% or more on total project expenses (Structural Engineering Insights video on engineering fees and build costs).

Most homeowners do not hire an engineer until they need one. That is often too late. The engineer’s drawings set the loads, the beam sizes and the connections that your contractor will follow. Changing them mid-build is slow and expensive.

Why this choice matters:

• The engineer’s drawings drive the foundation, framing and roof design
• Errors found after framing are costly to fix
• A clear plan keeps the contractor and the permit office on the same page

Structural Engineer Cost for a Residential Project in CAD

The cost of a structural engineer for a home is small compared with the total build. Typical residential structural engineering services range from $566 to $1,650 CAD, according to national averages reported by Tect’s structural engineer housing project guide.

Fees depend on the scope. A simple addition costs less than a new two-storey home with a complex roof. Ask for a fixed fee in writing before work starts.

• Simple repairs or small additions: usually at the low end of the range
• New custom homes: usually higher, because of more drawings and calculations
• Site visits: may be billed separately, so ask about them

Building costs are typically 10x to 50x higher than the fee for structural engineering services (Structural Engineering Insights video on cost-benefit of engineering). That is why a small fee for a good engineer is usually the cheapest part of the project.

Fees vary with the scope of the project, so the article gives these typical ranges and notes.

Credentials to Verify: Licence, Insurance and Relevant Experience

Before hiring, confirm that the engineer holds a valid professional engineering licence in the province where the home will be built and carries professional liability (errors and omissions) insurance. Licensing rules, the protected title (such as P.Eng. or ing.) and the scope of work an engineer may stamp vary by province, so verify with the provincial engineering regulator rather than relying on a business card or website claim.

A practical verification sequence most homeowners never run:

1. Confirm the licence is active. Ask for the engineer’s full name and licence number, then check the regulator’s public directory. Confirm the licence is current, not suspended, and that the engineer is authorized to practice in the province where your build is located. An engineer licensed elsewhere may need a temporary or reciprocal authorization.
2. Confirm the permitted scope. Ask whether the engineer is authorized to provide structural engineering services for residential new builds, and whether they will personally stamp and sign the drawings. Some firms use internal reviewers or technologists; the stamping engineer must be identified in writing.
3. Confirm insurance. Request a certificate of insurance showing current professional liability coverage and the policy limits. Confirm the coverage is active for the project period, not just at the time of the quote.
4. Confirm code familiarity. Ask which building code edition and local amendments the engineer designs to, and whether they have submitted drawings to your municipality’s permit office before. Local familiarity reduces back-and-forth during permitting.
5. Confirm relevant experience. Ask for two or three recent residential projects similar in scope, same foundation type, roof complexity and storey count, and ask for client references you can contact.

Quick credential checklist:

• Active professional engineering licence verified in the regulator’s public directory
• Licence valid for the province where the home is being built
• Professional liability (errors and omissions) insurance certificate on file
• Written confirmation of who will stamp and sign the drawings
• Familiarity with the building code edition and local amendments in force
• Recent residential projects similar to yours, with contactable references

Watch out: an unlicensed “designer” or draftsperson cannot legally stamp structural drawings. Without a stamped plan, many permit offices will not approve the build, and you may be forced to pay a second engineer to redo the work.

Questions to Ask a Structural Engineer Before Hiring

Ask these questions in your first call or meeting. The answers tell you how the engineer works and whether they fit your project.

1. Have you designed homes like mine, and can I see examples?
2. Who will do the work, and will you personally stamp the drawings?
3. What is included in your fee, and what costs extra?
4. How many site visits will you make?
5. How quickly do you respond to calls and emails during construction?
6. Do you work well with architects, builders and framers?
7. Can you provide references from recent clients?

A good engineer will answer these clearly. Be cautious if answers are vague or pressure you to sign right away.

Scope of Work, Deliverables and Red Flags in the Contract

Your contract should spell out exactly what you receive, when you receive it, and what happens if the design changes. A written scope protects both sides and prevents the most common disputes on new builds.

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Deliverables to expect in writing:

• Foundation plans and details (footings, walls, slab, drainage)
• Framing plans for floors, walls and roof, including beam and column schedules
• Structural calculations for gravity and lateral loads, connections and anchorage
• Roof framing and load details, including truss or rafter specifications
• A schedule of drawings and revisions, with issue dates
• The number and timing of site visits included during construction
• Construction-phase support terms (RFI responses, shop-drawing review, inspection attendance)

Scope boundaries to clarify:

• Engineering work is distinct from architectural design, interior design and contractor means-and-methods. Confirm who is responsible for each.
• Confirm whether the engineer coordinates directly with the architect, geotechnical engineer and builder, or whether you are the coordinator.
• Confirm who submits drawings to the permit office and who responds to reviewer comments.

Revision limits and change orders:
Ask how many revision rounds are included and what triggers an extra fee. A common pattern is that revisions caused by owner changes are billed hourly, while revisions caused by code or permit comments are included. Get the hourly rate and the revision cap in writing.

Red flags to watch for:

• No written scope or deliverables list
• No mention of revisions, site visits or construction-phase support
• Fees that are vague or described as “starting at” without a cap
• No proof of insurance or licence
• Unrealistic promises, such as stamped drawings in a few days for a complex custom home
• No named stamping engineer or no schedule for deliverables
• Missing responsibility terms for coordination with the architect, geotechnical report and builder

Before signing a custom home contract, read the scope carefully. Learn how long the work typically takes by reading about custom home construction timelines in Alberta, so you can spot schedules that seem unrealistic. A good starting point for the contract review is this list of questions to ask before signing a custom home contract.

Structural Engineering Design Requirements for Building Permits

Your municipal permit office will usually require stamped structural drawings before it approves the build. Requirements depend on your municipality and the building code in force, so confirm them with your local office early.

Plan for the permit process in your timeline. Engineering drawings often take several weeks, and revisions can add time. Ask your engineer whether their drawings meet the permit office’s submission requirements.

• Stamped foundation and framing drawings
• Structural calculations for beams, columns and connections
• Roof design and load details

Booking Your Structural Engineer and Coordinating the New Build

Once you have chosen an engineer, book the design work early and set a schedule for drawings, permits and construction start. Good coordination prevents delays.

Share the full set of plans with your builder and framing crew before work begins. If you are also planning related work on the home, such as interior finishing, our interior renovation services cover kitchens, bathrooms and basements. For an overview of our completed projects and services, see Mario Laflamme Contracting & Renovation Ltd’s services and projects.

For a custom home in the St. Albert area, Mario Laflamme Contracting & Renovation Ltd can help coordinate custom home projects. Contact us for a free consultation to talk through your project.

Ready to start your custom home? Contact Mario Laflamme Contracting & Renovation Ltd for a free consultation and get your project moving with the right structural plan from day one.

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