Unlock the full potential of your home with a professionally finished basement. Over 500 transformations completed across Toronto, increasing property values by up to 90% with a legal secondary suite. Fixed pricing, WSIB-certified, dedicated project manager.
Response within 24 hours · No obligation
A basement renovation is a significant investment that can dramatically enhance your home’s functionality and value. Here’s what sets our approach apart in the Toronto market.
Clear breakdowns and no hidden fees. You get a detailed, fixed-price quote before work begins so you know exactly what to expect.
One point of contact from first consultation to final walkthrough. No chasing subcontractors or wondering who to call.
We plan the schedule and stick to it. Milestone-based process with clear progress at every stage so your life isn’t disrupted longer than necessary.
Design, permits, waterproofing, construction, and inspections under one roof. We handle everything so you don’t coordinate between trades.
From family-friendly living spaces to fully legal rental suites, we deliver end-to-end basement renovations designed for comfort, value, and long-term performance.
Smart layouts that maximize light, space, and functionality. See your new basement in 3D before construction begins with detailed floor plans and material selections.
Start your designFully compliant, income-generating secondary suites built to Toronto code. We handle zoning review, permit applications, fire separation, egress, and all inspections.
Learn about suites
Comprehensive waterproofing solutions including exterior membranes, interior drainage systems, sump pumps, and foundation crack repair. 10-year warranty on all waterproofing.
Protect your investmentToronto’s climate and older housing stock present unique challenges. We offer specialized solutions backed by decades of experience and a 10-year waterproofing warranty.
Given Toronto’s climate, effective waterproofing is crucial for protecting your investment and ensuring a healthy living environment.
Converting your basement into a legal secondary suite is an excellent way to generate rental income or create a multi-generational living space.
Lower ceiling heights can make a basement feel cramped. We offer innovative solutions to maximize your usable headroom.
We’re a family-run design-build firm with over 500 basement transformations completed. Fewer projects, higher standards. You get a dedicated team and a process built to eliminate surprises.
Fixed quotes with no hidden fees. Competitors give estimates that change; we give a fixed-price quote you can plan around, with milestone-based payments tied to actual progress. Basement quotes include waterproofing, structural work, finishing, and all permits — with a 10-year waterproofing warranty.
A single point of contact from consultation to completion. Your dedicated PM is responsive, available, and keeps you updated through every phase of construction. Your PM coordinates moisture assessment, structural engineering, and finishing trades under one timeline.
We commit to the timeline and keep you updated every step of the way. Clear milestones, regular progress reports, and a 2-year workmanship warranty on every project. Most basement renovations are completed in 4–8 weeks, with a comprehensive 2-year workmanship warranty.
Prefer to talk? Call 416-876-1052
Our proven step-by-step approach ensures your basement renovation is stress-free, efficient, and tailored to your needs. We guide you through each phase from design and permitting to final inspection.
Weeks 1–2
Thorough assessment of your basement space, structural considerations, and moisture issues. Custom 3D renderings and floor plans so you can visualize the finished space.
Weeks 2–8
We handle all City of Toronto permit applications, zoning compliance, material ordering, and pre-construction site protection. Concurrent with design finalization.
Weeks 8–24
Waterproofing, structural work, plumbing, electrical, framing, insulation, drywall, flooring, and fixture installation. Clean site, minimal disruption to your daily life.
Week 25
Meticulous quality checks, municipal inspections, professional cleaning, and a full walkthrough. Handover of warranties and maintenance guidelines.
We’ve completed 500+ basement transformations across Toronto. Here’s what clients say about working with Maserat.
From the initial design consultation to the final walkthrough, the attention to detail was impressive. Our basement renovation was completed on schedule and on budget, with no surprises. The space is now our favourite part of the home.
We were hesitant about renovating our old basement due to moisture concerns, but Maserat guided us through every step. The finished space added exactly what our growing family needed — a playroom, guest suite, and home office.
The legal suite conversion was handled professionally from start to finish. Maserat managed all the permits and inspections, and now we have rental income that covers a significant portion of our mortgage.
Our home theatre basement is incredible. The soundproofing, lighting, and built-in storage exceeded our expectations. The fixed pricing meant we could plan confidently with no cost surprises.
Maserat solved our basement moisture problem once and for all. The waterproofing system they installed came with a 10-year warranty, and the finished space feels dry, warm, and inviting. Professional and trustworthy.
After a bad experience with another contractor, Maserat restored our trust. The dedicated project manager kept us informed every step of the way, and the basement was finished exactly when promised.
Costs vary based on size, layout, finishes, and whether a legal secondary suite is involved. Below is a clear, realistic overview to help you budget with confidence.
$25K – $50K+
4–6 weeks
$50K – $90K+
6–10 weeks
$90K – $180K+
10–16+ weeks
Every home is unique. These are starting ranges to help you plan — your free consultation includes a detailed quote tailored to your specific project, scope, and finishes. We provide transparent cost breakdowns with no hidden fees.
Have more questions? Browse our complete FAQ centre →
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Book a free consultation — fixed pricing, response within 24 hours. Mon–Fri 9–5, Sat 10–4 · No obligation.