Building Permits for Custom Homes in Markham (2025): Process, Challenges, and Tips

 

Introduction

Building your dream custom home in Markham is exciting, but before construction begins, securing a building permit is a must. In 2025, the process is more streamlined than ever thanks to Markham’s ePLAN online portal, but it still comes with challenges related to zoning bylaws, design compliance, and provincial housing mandates.

This guide breaks down the permit process, common obstacles, and expert tips to help you navigate approvals smoothly.

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 Step-by-Step Building Permit Process in Markham (2025)

1. Pre-Application Research

   • Review Markham’s Comprehensive Zoning By-law (CZBL 2024-19).

   • Ensure your design complies with lot coverage, building height, and setbacks.

2. Prepare Your Plans

   • Work with a qualified architect, designer, or engineer.

   • Submit drawings that meet the Ontario Building Code (OBC).

3. Submit Online via ePLAN

   • The City of Markham requires all applications through its ePLAN system.

   • Upload site plans, architectural drawings, energy efficiency reports, and other required documents.

4. City Review Process

   • Zoning compliance check.

   • Building Code compliance review.

   • Engineering and planning approvals if necessary.

5. Permit Issuance

   • Once approved, you’ll receive a building permit card.

   • This must be displayed at the construction site at all times.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Common Challenges in 2025

• Zoning Conflicts
  Provincial housing mandates encourage higher density, but Markham residents often push back against changes in established neighborhoods.

• Delays in Review
  Although ePLAN speeds up applications, incomplete submissions can cause long delays.

• Ontario Land Tribunal (OLT) Appeals
  Disputes over zoning decisions sometimes escalate to the OLT, creating uncertainty for homeowners.

• Heritage & Environmental Restrictions
  Some Markham neighborhoods have heritage designations or proximity to green spaces that require additional approvals.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Expert Tips for a Smooth Permit Process

1. Hire Professionals Early
   Architects and planners familiar with Markham’s bylaws can save you time and money.

2. Use Pre-Consultation Services
   The City of Markham offers pre-application meetings to identify red flags before you submit.

3. Stay Updated on By-law Changes
   Markham’s zoning regulations evolve frequently, especially with Ontario’s push for more housing supply.

4. Plan for Extra Time
   Even with ePLAN, complex projects can take weeks to months for approval.

5. Keep Communication Open
   Stay in touch with your assigned city planner for faster clarifications.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 FAQs About Building Permits in Markham (2025)

1. How long does it take to get a building permit in Markham?
On average, simple applications can be approved within 2–4 weeks, while complex custom home projects may take 2–3 months depending on zoning reviews and compliance checks.

2. How much does a building permit cost in Markham?
Permit fees are typically based on the square footage and type of construction. For a custom home, costs usually range from $5,000 to $15,000+.

3. Do I need a permit for home renovations in Markham?
Yes. Any structural changes, additions, or major renovations (e.g., basement finishing, extensions, or secondary suites) generally require a permit. Cosmetic updates like painting or flooring usually do not.

4. Can I build without a permit in Markham?
No. Building without a permit can result in stop-work orders, fines, and even mandatory demolition of unapproved structures.

5. Where can I apply for a building permit in Markham?
All applications must be submitted through the City of Markham’s ePLAN online system at markham.ca.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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📌 Final Thoughts

Securing a building permit for your custom home in Markham (2025) requires careful preparation, compliance with the Ontario Building Code, and attention to local zoning rules. By working with professionals and leveraging the city’s ePLAN system, you can avoid costly delays and move closer to building your dream home.

If you’re planning to build, buy, or sell a custom home in Markham, having a knowledgeable real estate professional by your side can make the entire process smoother.

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