GSR Basements | Basement Renovations & Second Units, GTA
☀ SUMMER SPECIAL — Free permit + plans ($3K value) · Offer ends August 31, 2026.
★ 4.7 on Google Family owned since 2013

Basements,
built like
our own.

Premium basement renovations and bathrooms across the GTA. Real craftsmanship, clean job sites, zero surprises — since 2013.

Legal Second Units Personal Basements Bathrooms
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JM SP BK +
★★★★★
Loved by GTA homeowners
12+
Years building
100%
Permit-ready
4.7
★★★★★
Verified Google reviews
$4,000
On-time guarantee
⭐
4.7 ★ Google
Verified reviews
🛡️
Licensed & Insured
WSIB Certified
📋
Permit-Ready
100% Code Compliant
🏆
$4,000 Guarantee
On time & on budget
💳
0% on Bathrooms
Financing via Financeit
Real Clients, Real Stories

Hear it from our homeowners.

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Israel
Legal Second Unit — Brantford, ON
Verified
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Bobby
Open Concept Basement — Brampton, ON
Verified
Verified Reviews

What homeowners say on Google.

What We Build

Renovations built for how you actually live.

Rental income, a personal retreat, a spa-style bathroom — we build all of it like it's our own.

Finished legal second-unit living room with kitchen
01Rental Income

Legal Second Units

Turn dead square footage into $1,500–$2,000 a month. Fully permitted and rent-ready.
Finished luxury basement living area
02Personal Space

Luxury Basements

The theater, the gym, the family room — the space that becomes everyone's favorite.
Renovated spa-style master bathroom
03Bathrooms

Bathroom Renovations

Full renovations and high-end transformations, finished with the same care.
Custom basement home theater with tiered seating
04Custom Features

Bars, Gyms & Theaters

Custom builds for how your family actually lives — finished like our own.
Our Approach

Designed, built & guaranteed.

Three things behind every GSR project — the same standard we'd want in our own home.

01 — Design

Designed
With Purpose

Every project starts with a real plan — floor plans, layout, finish selections. Beautiful, intentional design included with every build, no extra charge. Because we'd want the same in our own home.

02 — Build

Built
With Pride

Licensed trades for certified rough-in work. Our in-house crew handles every finish — flooring, tiling, painting. We obsess over the details other contractors skip.

03 — Guarantee

Backed
By Our Word

On time, on budget — or we pay you $4,000. That's not a slogan, it's a promise. Same family, same standards, same name on the truck since 2013.

Our Standard

From Blueprint
to Beautiful

When we walk into your home, we don't see a job site. We see somebody's home — the carpet your kids will roll across, the walls your family will gather inside, the room that's about to become someone's favorite in the house. We build it that way.

How It Works

A clear process, every step of the way.

No disappearing acts, no surprise invoices. We built our process to be the opposite of the horror stories.

01

Phone Consultation

The process begins with a detailed phone call. We walk through your vision, the scope of work, and rough pricing — so you know exactly where you stand before anyone visits your home. No pressure, no obligation.

02

Site Visit & Space Planning

Once you're aligned on rough pricing and ready to move forward, we visit your home for a full site assessment. We measure your space and plan the layout so the design is built around your actual basement — not a guess.

03

Design & Permits

We create your custom floor plan and handle the full permit application on your behalf. Every project is built to Ontario Building Code — inspections passed, paperwork handled, zero stress on your end.

04

Build & Finish

Licensed and certified subcontractors handle all rough-in trades — plumbing and electrical. Our skilled in-house crew takes care of every element of the finish: flooring, tiling, painting, trim, and more. Then we walk through it together.

The GSR Guarantee

Finished on time & on budget. Or we pay you $4,000.

No fine print. No excuses. We hold ourselves to the same standard we'd want on our own home — and we put it in writing.

*Subject to the terms of your signed contract.

Full Design Package
Floor plans, layout & finish selection included — no extra charge.
3-Year Workmanship Warranty
All labor and craftsmanship covered for 3 full years.
Bathroom Leak & Mold Guarantee
Bathroom and wet-area work protected against leaks and mold.
Financing Available
Flexible payment options so you can start without waiting.
We Pay You
$4,000
if we finish late or over budget
Real Transformations

Before & after.

No staging, no stock photos. Drag the handle to reveal the build.

Finished basement living area after renovation
Before
Unfinished basement living area before renovation
After
Our Difference

Why GTA homeowners choose GSR.

01

End-to-End Management

One team, one point of contact, start to finish. We coordinate the licensed trades for rough-in work and handle every finish in-house — so nothing falls through the cracks.

02

Permit-Ready Projects

We navigate the full permit process for you. Every project is built to Ontario Building Code with proper inspections at every stage.

03

Transparent Pricing

Detailed scopes and fixed-price contracts. What we quote is what you pay — no surprise invoices, no change-order games. The way we'd want it on our own home.

04

Family Owned & Operated

Same family, same standards, same name on the truck since 2013. We're not a franchise or a flip — we're a family business that's still here because we built it right the first time.

Our Work

Recent projects.

View Full Gallery →
Legal Second Unit — Living Room
Legal Second Unit — Living Room
 Luxury Basement Kitchen
Luxury Basement Kitchen
 Master Bathroom Renovation
Master Bathroom Renovation
 Custom Home Theater
Custom Home Theater
 Basement Bedroom
Basement Bedroom
 Open Concept Living
Open Concept Living
Follow Our Work

See every build as it happens.

Before & afters, time-lapses, and behind-the-scenes — follow us to see our latest projects across the GTA.

Financing Partner
Financeit — our financing partner

Don't let upfront cost stop you from building.

We're a proud Financeit partner — Canada's leading home-improvement lender. Pre-approval in minutes, 0% interest for up to 24 months on bathroom projects, and flexible monthly plans on basements.

0%
on bathrooms · up to 24 mo
$100K
max loan
Fast
pre-approval
Bathroom Renovations
0% interest up to 24 months
from $200
/month
Personal Basements
Flexible term, subject to approval
from $550
/month
Legal Second Units
Flexible term, subject to approval
from $600
/month

Ready to transform your basement?

Answer 5 quick questions and get a rough estimate in under 2 minutes. No commitment, no obligation, GTA-wide service.

📞 (437) 991-4916  ·  Licensed & Insured in Ontario