Basement Renovation in Niagara
Whether you're a homeowner looking to add value to your property or an investor seeking high cash-flow opportunities, we are your trusted partner in the Niagara region.
500+ Happy Homeowners
Ontario Building Code
Fully Compliant
Trusted Experts In Home Renovations
We specialize in basement renovations, legal basement suites, ADUs, custom homes, house additions and full house renovations in Niagara. Let us help you reimagine your home, turning unused or outdated spaces into modern, functional areas. With decades of experience, we ensure every project is compliant, high-quality, and tailored to your needs.
ABOUT TK CONTRACTING
Licensed & Insured
Full liability coverage
15+ Years Experience
Trusted Niagara contractor
On-Time Guarantee
Project timeline commitment
Code Compliant
Ontario Building Code certified
Our Services
Expert Basement Renovation Services
From basic basement finishing to complete legal suite conversions, we deliver exceptional quality and full Ontario Building Code compliance.
Basement Renovation
Transform your unfinished basement into beautiful, functional living space. Full-service renovation from design to completion.
- Custom design
- Framing & drywall
- Electrical & plumbing
- Flooring & finishing
What We Build
Basement, Home Renovation and Custom Building Services in Niagara
Basement Finishing
Basement finishing and basement renovation for homeowners in Niagara Falls, St. Catharines, Welland, Niagara-on-the-Lake, Fort Erie and Grimsby. We turn an unfinished or outdated basement into living space with framing, insulation, drywall, electrical, plumbing, flooring and finishes built to the Ontario Building Code.
Learn moreLegal Basement Suites and Second Units
Legal basement suites and second units for homeowners and investors across the Niagara region, from Niagara Falls and St. Catharines to Welland and Fort Erie. We plan the permit, fire separation, egress and separate entrance so the second unit meets the Ontario Building Code.
Learn moreADUs and Garden Suites
Accessory dwelling units and garden suites in Niagara Falls, St. Catharines, Welland, Niagara-on-the-Lake, Fort Erie and Grimsby. An ADU adds a separate living space on your lot for family or rental, and we guide you from planning and permits through construction.
Learn moreCustom Homes
Custom home building in the Niagara region. Whether your lot is in Niagara-on-the-Lake, Grimsby, St. Catharines or Niagara Falls, we work with you on the plan, the permits and the build of a new home designed around how you live.
Learn moreHouse Additions
House additions in Niagara Falls, St. Catharines, Welland and across Niagara. An addition gives your family more room without moving, and we help you plan the design, the permits and the construction.
Email us about your projectFull Home Renovation
Full home renovations for houses in Niagara Falls, St. Catharines, Welland, Niagara-on-the-Lake, Fort Erie and Grimsby. From layout changes and gutting to kitchens, bathrooms and finishes, we renovate the whole house as one coordinated project.
Email us about your projectGeneral Contracting
General contracting for residential projects across the Niagara region. We coordinate the trades, the permits and the schedule on your renovation or new build, so you have one contractor responsible for the work.
Email us about your projectAreas We Serve
We work on homes across the Niagara region, including Niagara Falls, St. Catharines, Welland, Niagara-on-the-Lake, Fort Erie and Grimsby. Email us photos and a short description of your project for a free online consultation, wherever you are in Niagara.
Experienced Basement Renovation Contractors In Niagara
At TK Contracting, our story is rooted in providing quality craftsmanship that transforms properties. As Niagara's trusted experts, we pride ourselves on delivering:
Tailored Projects
Renovations are customized to match client goals, lifestyle, and functionality, ensuring a unique and high-quality transformation every time.
Honest Pricing
Transparent quotes with no hidden costs, allowing clients to confidently plan and stay within budget throughout the renovation process.
Proven Success
A strong history of satisfied homeowners and investors, backed by positive reviews, repeat clients, and high-quality craftsmanship.
Our Services
Our Renovation Services In Niagara

Legal Basement Suite In Niagara
Ready to turn your basement into a legal basement suite? TK Contracting makes the process simple and stress-free. Whether you want to create an income-generating rental space or add long-term value to your property, we handle every detail. From obtaining permits to final construction, our team ensures your project is fully compliant with Ontario's regulations.
Turnkey Solutions from Start to Finish
Permit Applications
We secure the necessary approvals so you don't have to.
Custom Design
Our layouts optimize space and functionality for tenants.
Efficient Construction
High-quality craftsmanship ensures durable, stylish results.
Final Inspections
We coordinate everything to deliver a fully certified legal basement suite.
The TK Contracting Renovations Process
At Tk Contracting, we aim to deliver an all-inclusive Basement Renovation & Custom Home Build services and strive to make sure that each bath project stays on time and within budget.
Consultation
The first step in your renovation journey is a free online consultation. We take the time to understand your needs, preferences, and long-term goals, discuss your budget, and outline the possibilities. You'll receive expert advice and a rough estimate for your project by email.
Design & Planning
In this phase, we collaborate with skilled architects, designers, and engineers to create a comprehensive plan that aligns with your vision. From initial layouts to material selection, every detail is meticulously planned to ensure functionality, aesthetics, and compliance with Ontario Building Code standards. You'll have the opportunity to review and refine the designs to ensure they match your expectations.
Construction & Updates
Once the plans are finalized, our experienced construction team gets to work. During this phase, we provide regular updates to keep you informed about the progress. Whether it's installing flooring, framing walls, or adding custom features, we maintain clear communication so you feel confident and involved throughout the construction process.
Hear From Our Clients
Here's what to expect when you hire us as your experienced Home renovation contractor in Niagara & St. Catharines
G S
1 year ago
Tim is fantastic to work with. Excellent quality and attention to detail. I look forward to working with hi...
C M
1 year ago
TKC is a very reliable and professional company.. Double thumbs up! Highly recommended!!!
M.J LIM
1 year ago
Tim and his crew were polite and professional from start to finish. I'm very happy with the quality of the work that...
Service Areas
Serving the Niagara Region
We provide basement renovation and legal basement suite services across all Niagara communities.
Get Started
Ready to Transform Your Basement?
Get a free online consultation by email. Our team will discuss your goals and give you expert advice and a rough estimate by email.
Free Online Consultation
Advice and a rough estimate by email
Detailed Written Quote
After a paid on-site assessment, with the fee confirmed before booking
Expert Advice
Building code guidance included
Or email us directly. Email gets the fastest response because our team monitors the inbox.
Email UsGet Your Free Online Consultation
Fill out the form below and we'll get back to you within 24 hours.
Exterior Work
Roofing and Landscaping in Niagara
Email us for a free online consultation on any of these services.
Also Available
Flood and Water Damage Restoration
Water extraction, drying, restoration and rebuild after flood and water damage. Email us photos for a free online consultation.
Learn more about flood restorationFAQ
Frequently Asked Questions
Get answers to common questions about basement renovation in the Niagara region.
