Home Addition Contractors – Expand Your Living Space with GroundZero
At GroundZero, we specialize in home renovation additions and extensions that seamlessly integrate with your existing space while enhancing functionality and value. Whether you need an extra bedroom, a larger kitchen, or a second-story addition, our expert team delivers high-quality craftsmanship tailored to your specific needs.

Why Choose Us As a Home Extension Contractor?
With over 25 years of experience, GroundZero has completed over 500+ construction projects, including home additions and renovations, making us a trusted name in residential construction.
Seamless Integration
Our extensions blend perfectly with your home’s existing architecture, ensuring a cohesive and polished look.
Custom Solutions
We tailor every home addition to fit your specific requirements, lifestyle, and property layout.
Efficient Project Management
Our streamlined process minimizes disruptions, keeping your project on schedule and within budget.
Quality & Durability
We use top-tier materials and construction techniques to ensure long-lasting structural integrity.
Permits & Compliance
Our team handles all necessary permits and ensures your addition meets local building codes and regulations.
Why GroundZero?
GroundZero is a well-known residential construction home addition contractor in Ontario, recognized for precision, expertise, and reliability. We’ve successfully managed and executed over 500 projects, helping homeowners make their houses feel like homes again.
25+ Years of Experience
Decades of expertise in residential construction ensure the highest level of professionalism and craftsmanship.
500+ Completed Projects
From simple residential construction to large-scale commercial buildings, we’ve handled a wide range of projects with excellence.
End-to-End Project Management
We take care of everything — from initial consultation to design, construction, and final inspection.
Skilled & Certified Team
Our experienced professionals are committed to delivering top-tier results, using best practices and industry-leading materials.
Strict Quality Control
Each project undergoes rigorous quality checks to ensure compliance with the highest construction standards.
What Our Home Addition Services Include
As an experienced home extension contractor, GroundZero covers every aspect of the expansion process:
Initial Consultation & Planning
We assess your needs and create a detailed plan tailored to your space and vision.
Design & Architectural Drafting
Our experts develop a blueprint that seamlessly integrates with your existing home.
Foundation & Structural Work
We ensure a strong, secure foundation and framing for long-lasting durability.
Plumbing, Electrical & HVAC Integration
Your new space will be fully equipped with all essential systems.
Interior & Exterior Finishing
From drywall and flooring to exterior cladding, we deliver a polished final product.
Final Inspection & Handover
We conduct a thorough quality check to guarantee that your addition meets all standards.
What Sets Us Apart
At GroundZero, we believe in creating living spaces that enhance comfort and functionality. Our commitment to excellence, client-focused approach, and proven expertise make us the preferred choice for home expansion projects.
Expert Craftsmanship – Every project is executed with attention to detail and precision.
On-Time Completion – We prioritize efficiency without compromising quality.
Premium Materials – We use only high-quality materials for superior durability.
Local Reputation – GroundZero is known for reliability, professionalism, and outstanding results.
Whether you’re expanding your living space for a growing family, increasing property value, or simply enhancing your home’s functionality, we provide cost-effective and high-quality solutions.

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Get Started with Your Project
Transform your vision into reality. Schedule a consultation or request a quote today!
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FAQs
The cost of a home addition varies depending on several factors, including the size of the extension, the materials used, the complexity of the design, and the specific features you want to include. Structural modifications, such as removing or reinforcing load-bearing walls, can also impact the cost. Additionally, factors like site conditions, access to utilities, and necessary permits play a role in the overall budget. At GroundZero, we provide transparent pricing and a detailed estimate tailored to your project, ensuring that you understand all cost elements upfront. We also help you explore cost-effective solutions without compromising on quality, so you get the best value for your investment.
A well-designed home addition should feel like a natural extension of your home, not an afterthought. At GroundZero, we carefully analyze your home’s architectural style, materials, and finishes to ensure a cohesive look. We match roofing, siding, windows, and interior details like trim and flooring to create a seamless transition between the existing structure and the new space. Beyond aesthetics, we also consider the flow of the layout, ensuring that the addition enhances the functionality of your home without feeling disconnected. Our team collaborates closely with you throughout the design process, incorporating your vision while maintaining structural integrity and visual harmony.
Home additions can present unique challenges, but our experienced team is well-equipped to handle them. One common issue is integrating new construction with existing foundations and structures, which requires careful engineering and precise execution. Another challenge is navigating local building codes and permit requirements, but we handle all necessary approvals to keep your project compliant. Budget and timeline management are also key concerns, and we address these by providing clear project schedules and regular updates. Additionally, we work proactively to minimize disruptions to your daily life, ensuring a smooth and stress-free construction process.If your search for home addition contractors near me led you here, you’re in the right place! Let our professional team at GroundZero take care of your home extension project. Let’s start with booking a consultation so we can better understand your specific needs!