Residential Architect Toronto & Ontario

Homes Designed for the Way You Live

Quadrant Architects designs homes, additions, and suites that fit your lifestyle – while meeting municipal zoning by-laws and Ontario Building Code requirements. From custom houses to multiplex conversions, we guide homeowners through design and approvals with clear plans and fewer surprises.

Every home we design is unique and never reused – tailored to your needs, your site conditions, and the opportunities or restrictions set by zoning.

Licensed by the Ontario Association of Architects (OAA) with full professional liability insurance. 

WHAT WE DO

Custom Homes & New Construction

What this means for you: Your property may support more than you think –  updated municipal zoning by-laws now allow more options in many Ontario communities.

Additions & Renovations

What this means for you:Well-planned additions and renovations expand living space while improving function and comfort.

Rental Units & Multiplex Conversions

What this means for you: Adding a rental unit creates steady income, boosts long-term value, and supports Ontario’s growing housing needs.

Additions & Expansions

What this means for you: Grow your space without shutting down, keeping business continuity intact.

Specialized Residential Services

What this means for you: Specialized design creates homes that are both personal and enduring.

OUR PROCESS

Step 1: Discovery & Analysis: Review your property, zoning, and goals to establish what’s possible.


Step 2: Design Development: Prepare multiple concepts exploring layouts, massing, and function.


Step 3: Technical Documentation: Deliver permit-ready drawings coordinated with required consultants.


Step 4: Permit Management: Submit complete packages to the city, respond to examiner comments, and represent you at Committee of Adjustment when needed.


Step 5: Construction Support: Provide clarifications during construction to ensure design intent is maintained.

Quick Reference for Residential Projects

Permit timelines vary by project type, municipality, and scope of work.

Variances or Committee of Adjustment hearings can extend review times.

Heritage properties or unique sites may require additional studies or reports.

Why Homeowners Choose Quadrant

  • Licensed OAA architects with proven experience across Ontario
  • In-depth knowledge of zoning, heritage rules, and site-specific restrictions
  • Clear communication and realistic expectations – no surprises
  • Unique, custom designs created for every client – never reused templates
  • Support from concept through permits and approvals

Areas We Serve

We provide residential architecture services across Ontario, including:
Toronto, North York, Etobicoke, Scarborough, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Pickering, Ajax, Whitby, Oakville, Burlington – and other municipalities throughout the province, Ontario.

FAQs About Commercial Projects in Toronto

Q: Do I need an architect for my home project?

A: In Ontario, you may design your own house or use a BCIN designer for smaller homes, but larger or more complex projects require an architect. Working with an experienced architect provides peace of mind – we coordinate zoning by-laws, the Ontario Building Code, and approvals, helping you avoid delays and ensuring the design truly fits your needs.

Q: How long do permits take?

A: Timelines vary depending on project scope, municipality, and season. Applications involving variances generally take longer due to Committee of Adjustment reviews.

Q: What is the Committee of Adjustment?

A: A public hearing required when variances are needed. We prepare applications, consult with neighbors, and represent you to support approval.

Q: Can I add a laneway or garden suite?

A: Often yes. Eligibility depends on lot access, setbacks, and servicing. We confirm compliance before beginning design.


Q: Can I convert my property into a multiplex?

A: Up to four units are now permitted as-of-right in many Ontario municipalities. We confirm zoning compliance before starting design.


Q: Will you work with my contractor?

A: Yes. We coordinate with your builder and respond to examiner questions to keep projects moving smoothly.


Meet Our Team

Every member of our team has advanced education in architecture and design

Sara Rahgozar

M.Arch Architect, OAA
Principal

Farzad Esnaashari

M.Arch.BCIN
Principal

Sean K. Zadeh

M.Arch.BCIN
Principal

What’s Clients Say