For a house, a structural engineer works out why something is moving or failing and designs the fix. That means a site assessment, a written letter or report, and when repairs or renovations need it, calculations and stamped drawings a contractor can build and a municipality can permit. In Canada only engineers licensed by a provincial or territorial regulator may practise or use the title.
- Engineering is regulated by 12 provincial and territorial regulators; the title engineer and P.Eng are protected.
- A residential engagement usually has three parts: assessment, design, and review of the work as it is built.
- A home inspector flags symptoms; an engineer diagnoses cause and takes professional responsibility for a design.
- Verify the licence on your regulator's public directory and agree the scope and fee in writing first.
- An engineer independent of the repair contractor gives you advice with no stake in the size of the job.
01 /What is a structural engineer?
A structural engineer is a professional engineer whose practice is the design and assessment of structures: how loads travel through a building and whether each member, connection and footing can carry them. In Canada, engineering is regulated province by province. Engineers Canada lists 12 provincial and territorial regulators, including APEGA in Alberta, Professional Engineers Ontario, Engineers and Geoscientists British Columbia and the Ordre des ingénieurs du Québec. To practise engineering or use the title engineer, a person must be licensed by the regulator where the work is done.
Titles such as Professional Engineer and P.Eng. are protected, and Engineers Canada states that claiming to be an engineer without a licence is against the law. Most residential structural work is done by civil or structural engineers practising in small firms that take on houses, renovations and repairs. Structural engineering is part of the broader civil engineering field, and not every engineer practises it, so what matters is residential structural experience, not just the P.Eng.
02 /What does a structural engineer do on a house visit?
On a house visit, a structural engineer looks at the symptoms, traces them back along the load path and forms an opinion on the cause, whether it is still active, and what should be done. A typical residential site visit takes an hour or two.
- History
Age of the house, renovations, when the problem appeared, whether it changes with seasons, past repairs, and any drawings or reports you have.
- Walk-through from the bottom up
Foundation walls, footings where visible, beams, posts and bearing points, joists and subfloor, bearing walls, and the roof framing from the attic if accessible.
- Measurements
Crack widths and offsets, wall bow with a level or plumb line, floor elevations with a laser or water level, joist and beam sizes and spans, and sometimes moisture readings in wood.
- Opinion on cause
Settlement, lateral pressure, overloading, undersized framing, removed supports, rot or damage. The cause decides the repair.
- Recommendations
Monitor, repair with a prescriptive fix, or design a repair. Urgent items, such as temporary shoring, are flagged on the spot.
Most visits are visual. Engineers do not usually open walls, dig test holes or take cores on a first visit, and a good report says so. When soil conditions are the question, such as a whole foundation settling, the structural engineer may recommend a geotechnical engineer to test the soil.
03 /What documents does a structural engineer provide?
A structural engineer provides written, signed documents that record their opinion or design, and each type answers a different need. The main ones for houses are shown below; the reports and drawings guide explains how to read each.
| Document | What it answers | Typical use |
|---|---|---|
| Site visit letter | What did you see, what is the likely cause, what should be done? | Peace of mind, buying a house, deciding next steps |
| Assessment report | Detailed condition, measurements, photos, cause, options and priorities | Larger problems, insurance, negotiations, lenders |
| Repair design (drawings and calculations) | Exactly what to build: sizes, grades, fasteners, footings, sequence | Building permits and contractor pricing |
| Field review report | Was the work built as designed at key stages? | Before closing up walls or pouring footings |
| Completion letter | The work observed was completed in general conformance with the design | Permit close-out, resale, insurance |
Drawings and letters that carry an engineer's professional responsibility are authenticated: stamped or sealed, signed and dated under the rules of the regulator. In Alberta, APEGA's practice standard on authenticating professional work products, revised effective November 1, 2024, requires the licensed professional's stamp, APEGA ID, signature and date, and a separate validation by the firm's Responsible Member.
04 /Structural engineer, home inspector, contractor or designer: who does what?
Each professional covers a different part of a structural problem, and knowing the split saves money and time.
- General contractor or carpenter. Builds the repair. For prescriptive work within the building code's span tables a contractor may not need an engineer; for anything outside them, or anything the permit office asks to be engineered, they build to the engineer's drawings.
- Foundation repair contractor. Installs piers, bracing, underpinning and waterproofing. Some employ engineers; an independent engineer is worth considering for large foundation work.
- Architect or building designer. Designs layouts and prepares architectural drawings. For renovations, the designer draws the plan and the structural engineer designs beams, posts and footings. In Ontario, many designers who prepare permit drawings must be qualified and registered with the province.
- Geotechnical engineer. Tests and reports on soils when settlement, heave or slope stability is the real question.
05 /How do you hire a structural engineer?
Hire a structural engineer by finding a firm that does residential work, verifying the licence, and agreeing the scope and fee in writing before the visit. Many engineering firms do not take on houses, so ask directly.
- Search for residential structural engineering in your area, and ask local contractors, your municipality's permit desk or your real estate lawyer who they see on residential permits.
- Verify the licence. Each regulator keeps a public directory. In Alberta, APEGA's member directory confirms whether an engineer is licensed to practise, and companies practising engineering generally need an APEGA Permit to Practice, listed in its permit holder directory.
- Describe the problem clearly when you call: symptoms, location, age of the house, photos, and what you want (an opinion, a report for a purchase, or drawings for a permit).
- Get the scope and fee in writing: what is included, whether a written letter follows the visit, the turnaround time, and what design, drawings and field reviews would cost if needed.
- Ask about independence. If the engineer is employed by or referred through the company that will do the repair, ask how that relationship works. An independent engineer has no stake in the size of the job.
- Prepare the house. Clear access to the basement walls, beams, posts and the attic hatch, and gather any drawings, permits or previous reports.
Useful questions: How many houses like mine do you assess each year? Will I get a written letter, and when? Will your recommendations be specific enough for contractors to quote? If a design is needed, can you provide it and review the work? Who do I call if the contractor has a question during construction?
06 /How much does a structural engineer cost for a house?
Structural engineers usually charge a flat fee for a residential site visit and letter, and a quoted fee or hourly rate for design and drawings. Field reviews during construction are often billed per visit. The planning ranges below are typical quoted ranges for 2026 in Canadian cities; rural locations may add travel time.
| Service | Typical planning range |
|---|---|
| Site visit and short letter | $500–$1,500 |
| Detailed assessment report | $1,200–$3,000 |
| Beam or wall-removal design with stamped drawings | $1,000–$3,500 |
| Foundation repair design (piers, bracing, underpinning) | $1,500–$5,000 |
| Field review visit during construction | $250–$750 per visit |
For the cost of the repairs themselves, see the structural repair cost guide. If you want help finding a residential engineer, send a request with photos; StructuralRepair.ca is part of HAUSE Home, an independent information and service-request network, not an engineering firm.
FAQQuestions people ask
Do structural engineers need to be licensed in Canada?
Yes. To practise engineering and use the title engineer, a person must be licensed by the engineering regulator of the province or territory where the work is done. There are 12 such regulators.
Is a structural engineer the same as a civil engineer?
Structural engineering is a specialty within civil engineering. Many licensed civil engineers practise structural design, but not all do. For a house, look for an engineer with residential structural experience.
Do structural engineers draw plans?
They prepare structural drawings: beam, post, footing, bracing and connection details with notes and specifications. Floor plans and layouts usually come from a designer or architect, with the engineer's structural design added.
How do structural engineers charge?
Commonly a flat fee for a residential site visit and letter, and a quoted or hourly fee for design, drawings and field reviews. Ask for a written fee proposal that lists what is included.
Is a home inspector's report enough for a structural problem?
It is a good first flag, but a home inspector is a generalist and does not design repairs. When an inspection notes a structural concern, the usual next step is a structural engineer's assessment.
Can a structural engineer work for the repair company?
Some foundation and repair companies employ or work closely with engineers, and many do good work. For a large or disputed job, an independent engineer gives you an opinion with no stake in the size of the repair.