About Us.

KMG Engineering is a Toronto-based structural, civil, and solar design firm built on one principle: get it done right the first time.

Our team of Professional Engineers (P.Eng.) has delivered engineering solutions across Ontario and beyond — from residential additions and basement suites to large-scale solar and commercial projects.

We focus on clear communication, accurate drawings, and permit-ready packages that move your project forward without delays. Whether you're a homeowner, contractor, or developer, we give you the technical support you need from start to finish.

Our Philosophy.

We believe engineering should be straightforward — not complicated.

Every project we take on gets the same attention: precise drawings, reliable coordination, and a team that's actually responsive. We don't overcomplicate the process. We show up, do the work properly, and make sure your project moves forward.

Building codes evolve, technologies change, and client needs shift — and we adapt. KMG is built to keep projects compliant, efficient, and on track, no matter the scope.

Some of our Most Requested Services


  • Oranssi project: studio shed

    Solar Structural Designs

  • Oranssi project: roof expansion

    New Additions

  • Oranssi project: wraparound deck

    Basement Underpinning

  • Commercial & Industrial

  • Architectural blueprint showing multiple floor plans for a building, including room layouts, staircases, garages, and structural elements, detailed with color-coded sections and measurements.

    Basement Renovations

  • Exterior of a brick house with a set of concrete steps, potted plants, and a black front door.

    Laneway, Infill and Garden Design

  • Interior of a room under construction with exposed wooden framing and windowed wall showing an outdoor snow-covered landscape.

    Structural Frame Design

  • Backyard patio with a newly built two-tier wooden deck with stairs, black metal railing, and outdoor seating, attached to a gray house with vertical siding.

    Structural Deck and Patios

Core Services

  • Integrated Design & Permit Management

    We handle it all. From initial site measurement and architectural concepts to final structural stamps and City of Toronto permit submissions. Our "Full-Service" approach ensures your project is code-compliant and builder-ready without the stress.

  • Integrated Permit Package

    The Full Service. We manage the entire engineering and permit process from initial site measurement to final municipal approval anywhere in Canada for Residential and Commercial Projects.

  • Additional Residential Unit (ARU) Design

    Specialized engineering for Garden Suites, Legal Basements, and Laneway Homes. We ensure your secondary unit meets code standards for permit approval.

  • Multiplex & Multi-Unit Conversions

    Turnkey structural solutions for converting single-family homes into 2, 3, or 4-unit multiplexes. We handle the load-bearing and fire-separation engineering.

  • Zoning & Feasibility Certifications

    Know before you build. We provide rapid-turnaround structural feasibility audits and zoning compliance reviews. Get a certified engineer’s "green light" on Garden Suites, Laneway Houses, or multi-unit conversions before you commit to full design costs.

  • Solar-Ready Structural Reviews

    Permit-ready solar residential and commercial structural packages with stamped reviews, racking coordination, and installer-ready documentation.

  • Open-Concept & Modernization

    Professional beam and column design for residential wall removals. We provide the stamped drawings required for building permits in any Ontario municipality.

  • Basement Suite & Underpinning

    Transform damp basements into legal, high-ceiling rental units. We provide expert underpinning and foundation designs that maximize your property’s ROI.

  • Modular & Prefab Structural Reviews

    Expert engineering for off-site and modular residential builds. We provide the "General Review" and site-connection stamps for factory-built homes.

  • Electrical & Mechanical Coordination Packages

    Coordinated structural, electrical, and mechanical drawings delivered as one permit-ready package. We streamline multi-discipline approvals to reduce back-and-forth and keep projects moving efficiently.

  • Permit Submission & Revision Support

    We handle full permit submissions, respond to city comments, and revise drawings until approval. Our team works directly with municipalities to minimize delays and keep your project on track.

  • High-Volume Contractor Partnership Program

    Built for contractors, developers, and solar installers managing multiple projects. We offer priority turnaround, standardized drawing packages, and volume-based pricing to support ongoing project pipelines.

  • Solar Engineering

    Solar Engineering

    Permit-ready solar structural and electrical packages for residential and commercial installers — fast turnaround, clear installer-ready drawings, and seamless permit submissions.

    Get a Solar Quote

  • Lane Way & Garden Suite: Design-Build

    Transform your backyard into a high-value asset. We provide end-to-end design and construction for "as-of-right" suites in Ontario, handling everything from zoning feasibility and city permits to premium architectural finishes. Whether for rental income or multi-generational living, we build modern spaces that feel like home.

    View More
  • Empty laundry room with white walls, wood flooring, and a washing machine and dryer.

    Basement Second Suites, Underpinning & Walkouts

    Maximize your home’s value by transforming dark, cramped basements into bright, high-ceiling legal suites. We provide expert underpinning and walk-out solutions, handling everything from accurate technical drawings to coordinated permit submissions for a stress-free transformation.

    Start Your Basement Project
  • Custom Builds and Renovations

    Custom Homes, Additions & Renovations

    Complete structural design for custom builds, additions, and major renovations—accurate, compliant, and permit-ready.

    Get a Quote

  • Residential & Commercial Engineering

    Structural design and analysis for homes and commercial spaces—safe and compliant.

    Get a Quote
  • Interior of a building under construction with wooden framing and exposed ductwork.

    Load-Bearing Walls & Structural Renovations

    Precise structural design for load-bearing wall removals and renovation work, providing safe, compliant, and permit-ready solutions.

    Get a Quote
  • Interior view of a house under construction, showing wooden framing, beams, and unfinished walls.

    Interior & Exterior Structural Renovations

    Accurate structural design for interior and exterior renovations—covering wall changes, decks, porches, and reinforcement details. Clear, compliant, and permit-ready.

    Get a Quote
  • Newly constructed modern two-story house with black and white exterior, large windows, and construction materials in front yard.

    Structural Analysis & Design

    Structural analysis and design for residential, commercial, and industrial projects—efficient and compliant.

    Get a Quote

Some of our Go-To Partners

  • Toronto skyline logo with the word 'Toronto' in blue.
  • Polaran company logo featuring a stylized globe with yellow, blue, and green segments.
  • Professional Engineers Ontario logo with a stylized abstract design of diagonal lines and the text 'Professional Engineers Ontario'.
  • Logo of the Association of Consulting Engineering Companies Manitoba, featuring a red maple leaf and circular design elements.
  • A logo with the letters A and U overlapping on a black background.
  • Logo of Engineers and Geoscientists of New Brunswick with their names in English and French.
  • Logo of NAPEG illustrating a globe with gears and a winding river, representing Northwest Territories and Nunavut Association of Professional Engineers and Geoscientists
  • APEGGA logo with text 'The Association of Professional Engineers and Geoscientists of Alberta'
  • Logo for the Town of Ajax by the Lake
  • Mississauga logo with stylized blue 'M' above the word 'Mississauga'
  • Brampton logo with a yellow rose and blue design elements
  • Outline of the cityscape of Pickering, including buildings and landmarks, with the text 'City of Pickering' in stylized font.
  • Vertically aligned logo of Markham with a red check mark as part of the design.
  • Logo of Ottawa, featuring a stylized circular wave design in teal and blue with the word "Ottawa" in blue text.
  • Yellow and black sun logo with stylized text 'Sunny' in yellow with black outline.

What Our Clients Say

  • “KMG made our load-bearing wall project effortless. Their drawings were precise, communication was clear, and the permit submission went through smoothly. Delivery was fast and professional — highly recommended.”

    Edward — Homeowner

  • “Justin and the KMG team answered all our questions and helped us navigate the city permit process. The structural design was thorough and the team was a pleasure to work with.”

    Jennifer — Renovation Client

  • “I’ve trusted KMG on multiple builds, projects and jobs — they’re reliable, responsive, and their drawings save time on site. Their engineering advice is practical and keeps projects on schedule.”

    Malek G. — Contractor

  • “KMG helped get our second-unit drawings done quickly and professionally. Staff were patient and very helpful with our questions. Would recommend to anyone needing permit-ready plans.”

    Akmata — Property Owner

  • “The underpinning design was clear and safe—KMG’s report gave us the confidence to proceed. The team coordinated well with our contractor and the permit went through without delay.”

    Homeowner — Basement Conversion

  • “KMG provided timely structural plans and a pragmatic approach that helped us hit our build milestones. Professional, accurate, and easy to work with.”

    Developer — Small Dev Project

  • “KMG’s solar mounting layouts are detailed and practical for installers. Fast turnaround and great coordination on structural checks.” Solar Installer Partner — Toronto

    Solar Installer Partner — Alberta

  • “KMG provided a thorough inspection report and practical retrofit solutions. Their documentation made it easy to get contractor quotes and budgeting completed.”

    Property Manager — Multi-unit Retrofit