Home Additions & Extensions in Markham
Expand Your Markham Home with a Professionally Designed Custom Addition
A home addition is one of the most practical ways for Markham homeowners to gain more living space without the hassle of relocating. Whether you’re extending your main floor, adding a second level, building a new room, or creating a seamless architectural extension, 905 Reno provides expertly crafted additions designed for long-term comfort, modern functionality, and enhanced property value.
With Markham’s competitive housing market and many established neighbourhoods offering limited interior space, a well-executed home addition is a strategic investment that improves your lifestyle and increases resale value.
Why Choose 905 Reno for Your Home Addition in Markham?
At 905 Reno, we bring extensive experience designing and constructing high-end home additions across Markham and the GTA. Our team manages every stage — architectural design, engineering, permits, construction, inspections, and finishing — ensuring a smooth and dependable build.
Markham homeowners choose us because we offer:
Full design-build integration for seamless, coordinated execution
Comprehensive zoning and permit support aligned with Markham’s municipal requirements
Superior craftsmanship built for longevity and daily use
Bespoke design solutions tailored to your home’s structure and architectural character
High-end finishes and long-lasting, premium-grade materials
Transparent communication, accurate pricing, and skilled project management throughout
Our mission is to deliver a spacious, functional, and visually stunning extension that enhances your lifestyle and complements your home.
Our Home Addition Process
We follow a detailed, streamlined approach to ensure your Markham home addition is completed efficiently, safely, and on schedule.
1. Consultation & Property Assessment
We begin by reviewing your goals and assessing your home’s structural layout, lot configuration, and expansion possibilities.
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2. Architectural Design & 3D Planning
Our design team prepares custom architectural drawings and 3D concepts that maximize functionality while aligning with your home’s existing aesthetic.
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3. Zoning Review & Permit Coordination
Markham follows specific zoning regulations and building requirements. We handle all permit applications, engineering documents, variances, and municipal approvals on your behalf.
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4. Construction & Full Build Execution
From foundation reinforcement and framing to electrical, plumbing, roofing, insulation, and interior finishing, our team delivers precision workmanship and durable results.
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5. Final Inspection & Project Delivery
We ensure all work complies with Ontario Building Code standards and all Markham building requirements before project handover.
Types of Home Additions We Build in Markham
Every Markham home is unique — from older communities like Unionville to newer developments — and our additions are customized to match your home structure, budget, and lifestyle.
Main-Floor Extensions
Increase the size of your kitchen, living room, dining area, or add new functional spaces to improve your home’s overall layout.
Second-Storey Additions
Create an entirely new upper level with additional bedrooms, bathrooms, or a full primary suite — ideal for growing families in Markham.
Rear & Side Additions
Ideal for expanding square footage while improving access to your yard and outdoor living spaces.
Sunrooms & Four-Season Rooms
Bright, comfortable living areas designed for year-round enjoyment and abundant natural light.
Garage Conversions & Additions
Transform or expand your garage to create new practical living or storage space as part of your home upgrade.
Custom Room Additions
Including: home offices, family lounges, playrooms, guest suites, media rooms, and fitness spaces.
Whatever your goals, we create an addition that enhances both functionality and curb appeal.
Benefits of a Home Addition in Markham
Expanding your home offers long-term lifestyle benefits, especially in Markham’s highly desirable housing market.
Increase Your Usable Living Space
Add new bedrooms, enlarge your kitchen, or create custom functional rooms without leaving your neighbourhood.
Boost in Property Value
Markham homes with professional additions typically see strong resale returns and improved appraised value.
Better Layout, Comfort, and Daily Functionality
Experience a more spacious and comfortable home environment tailored to your daily needs.
Stay in the Neighbourhood You Love
Instead of moving, enhance your existing home and remain close to the schools, parks, and amenities you value.
Proudly Serving Homeowners Across Markham
We proudly build custom home additions throughout Markham, including Unionville, Angus Glen, Wismer, Greensborough, Raymerville, Box Grove, Berczy Village, and Markham Village.
Our team understands local zoning rules and architectural character, ensuring your addition blends perfectly with your home.
Ready to Expand Your Markham Home?
Your ideal expansion is closer than you think. Whether you’re planning a full second-storey addition or a compact main-floor extension, 905 Reno delivers exceptional craftsmanship and stress-free project execution from start to finish.