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Structural, Civil and Building Engineering in Ontario and Across Canada
You need sealed drawings a building department will accept and a structure that will stand for generations. IN Engineering + Planning provides structural engineering (timber frame and mass timber first), civil and site engineering, and building code compliance from Brockville, for projects across Ontario, including Eastern Ontario, the GTA, North York and Hamilton, and in Nova Scotia, British Columbia, Nunavut and the Northwest Territories.
Who We Help
Homeowners and builders who need a structure engineered or a problem assessed, commercial and industrial owners, land developers, and public clients such as municipalities, conservation authorities and federal departments. Our engineers are licensed in Ontario, Nova Scotia, British Columbia, Nunavut and the Northwest Territories, and we are members of ACEC and IWSCC.
Engineering Services
Structural Engineering
Timber frame and mass timber, houses and additions, commercial and industrial buildings in steel, concrete and masonry, retaining walls and foundations, and heritage structures.
Mass timber engineering →
Traditional timber framing →
House structural engineering →
Masonry and heritage structures →
Reinforced concrete →
Civil and Site Engineering
Grading and drainage plans, stormwater management, site servicing, floodplain and shoreline work, farm buildings, and bridges and culverts.
Civil and geotechnical engineering →
Bridge and culvert engineering →
Farm building engineering →
Building Engineering and Compliance
Building code reviews and alternative solutions, structural assessments and forensic investigations, seismic design, and general review and contract administration during construction.
Building code reviews →
Structural and forensic assessments →
Seismic engineering →
Contract administration →
Engineering Projects

St. Lawrence River · 2020
Five Mile Light at Cole Shoal
Rebuilt the last of the 1856 St. Lawrence lighthouses near Brockville on an in-water foundation designed for ice loads.

City of Brockville · 2026
Reynolds Park Pavilion
Waterfront pavilion in a regulated floodplain on driven steel piles designed for flood, wave and ice forces.

Brockville · Timber Frame
P&G Pavilion at Rotary Park
Timber-frame community pavilion with change rooms and a rink-side covered area. Civil, architectural and structural engineering.

Kingston · Federal · 2020
Old Post Office Caretaker's Residence
Heritage assessment and adaptive-reuse study of an 1868 stone building in a federally classified heritage complex.
Where Our Engineers Work
Eastern Ontario · GTA, North York and Hamilton · all of Ontario · Nova Scotia, British Columbia, Nunavut and the Northwest Territories
How It Works
1. Send Us the Scope
Location, what you are building or what has gone wrong, and any drawings or photos.
2. Get a Sealed Design
Calculations and sealed drawings from a licensed professional engineer, coordinated with your designer or ours.
3. Build With Confidence
General review during construction where the permit or the project needs it.
Common Questions
Where Are Your Engineers Licensed?
Ontario, Nova Scotia, British Columbia, Nunavut and the Northwest Territories. In Ontario we take engineering work province-wide.
Do You Only Do Timber?
No. Timber frame and mass timber are a specialty, but we also engineer steel, concrete, masonry and light-framed wood structures, and civil site work.
Can You Engineer Plans Someone Else Designed?
Yes. We regularly engineer and seal drawings prepared by designers, builders and owners.
Looking for Something Else?
Severances, variances and site plan approval · custom home design and permit drawings · new construction and design-build
Need a Structure Engineered or Assessed?
Tell us what and where. A licensed engineer will review it and tell you what comes next.