Basement Renovation in Scarborough & Toronto
SM Builders provides full basement renovation and finishing services across Scarborough, Toronto, and the GTA — from Guildwood and West Hill to Port Union and beyond. Whether you’re finishing your basement into a family room, home gym, or entertainment space, or converting it into a legal basement apartment for rental income, our in-house team manages the entire project: design, permits, framing, waterproofing, and final finishes
Scarborough's Trusted Basement Renovation Contractor
Your basement is one of the most underutilized — and most valuable — spaces in your home. SM Builders is a specialist basement renovation and home renovation contractor serving Toronto, Scarborough, and surrounding GTA communities. We transform cold, unfinished basements into warm, modern living areas that add real value to your property.
From simple basement finishing projects to full basement apartment conversions and legalization, we handle every step of the process — including permits, inspections, framing, insulation, drywall, flooring, plumbing, electrical, and final finishes.
Wondering about basement renovation cost in Toronto for 2025? A typical finished basement in the GTA ranges from $30,000 to $80,000+ depending on size and scope. We provide transparent, itemized quotes with no surprises — and help you maximize your return on investment.
From basement finishing in Scarborough homes to full legal basement apartments, we manage framing, insulation, plumbing, electrical, and finishing with our own licensed crew. Homeowners comparing basement finishing in Toronto choose SM Builders for permitted work, transparent pricing, and one team from start to finish.
Basement Finishing & Renovation Services in Scarborough
What's Included in Our Basement Renovation Services
- Basementfinishing (drywall, flooring, lighting, trim)
- Legalbasement apartment conversions (egress windows, fire separation, separate entrance)
- Basementwaterproofing and moisture control
- Basementbathroom and kitchenette additions
- Basementlegalization and permit management for Scarborough & Toronto homeowners
Our Process
- Free on-site assessment — we evaluate your basement’s currentcondition, ceiling height, and moisture situation
- Design & permit drawings — for legal conversions, we handle thefull permit application process with the City of Toronto
- Construction — framing, electrical, plumbing, insulation, and finishes,with inspections at each required stage
- Final walkthrough — we don’t consider a project done until you’ve signed off on every detail
Serving Scarborough's Neighbourhoods
We regularly complete basement renovation projects in Guildwood, West Hill, Port Union, Agincourt, Cliffside, and across Scarborough, as well as Toronto, Vaughan, and Mississauga. Local knowledge of Scarborough’s permit process and housing stock (many homes here have specific moisture and ceiling-height considerations) means fewer surprises during construction.
why choose Us
Why Homeowners Choose SM Builders
Unlike contractors who subcontract out each trade, we manage the full basement renovation in-house — one team, one point of contact, one accountable schedule. For legal apartment conversions specifically, we handle permits ourselves rather than leaving you to navigate the City of Toronto’s process alone.
Thinking about a basement renovation or legal apartment conversion? Get a free estimate or call 647 331 7366. For more detail on legal conversions and rental income potential, see our guide on basement apartment renovation in Toronto, or check current basement renovation cost ranges for 202
Want to know what your project will cost? See our Toronto basement renovation cost guide and our Scarborough basement finishing cost guide, then book a free estimate.
Frequently Asked Questions
Yes. We can design and finish your basement to meet local building codes, ensuring it's safe, functional, and ready for rental. Most legal basement apartments in Toronto also require a side entrance addition for independent access — a service we handle in-house.
Timelines vary by project size, but most basement renovations are completed within 6–10 weeks. A detailed schedule is shared before we begin.
Absolutely. We address moisture, insulation, and ventilation needs to ensure your basement stays dry, energy-efficient, and comfortable year-round.
Yes. Whether you want a home theater, gym, or workspace, we design and build to match your lifestyle and vision.
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast
Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast
