Basement Renovations in East Gwillimbury
Luxury basement finishing for East Gwillimbury homes. Free 3D design, an itemized price that locks before you sign, a lifetime workmanship warranty and a written finish date that pays you $200 for every late day.
Get a Free EstimateSee our projectsBasement renovation in East Gwillimbury, street by street
East Gwillimbury is growing quickly. New communities in Holland Landing, Sharon and Queensville come with tall, dry basements built for finishing, while established village homes reward the moisture-first approach our crews build into every project.
For growing families north of Newmarket, a finished basement adds the space the main floors can't. Whatever you start with, you end with finished square footage your family uses every week, and a number your East Gwillimbury house carries at resale.
What we build in East Gwillimbury basements
Basement finishing
Theatres, bars, gyms and family spaces. Wood studs with metal tracks and moisture-resistant drywall as standard, finished to match the rest of your home.
EXPLORE BASEMENT FINISHING →
Home renovations
Kitchens, bathrooms and whole-home updates for East Gwillimbury families, built with the same crew and warranty as our basements.
EXPLORE HOME RENOVATIONS →
Structural & legal suites
Underpinning for ceiling height, waterproofing, and permitted separate entrances for legal East Gwillimbury second suites.
EXPLORE STRUCTURAL WORK →Every basement is priced from the same quote sheet, line by line. Permit drawings, 3D design and the lifetime workmanship warranty are included.
A 1,381 sq ft spa basement on Ben Sinclair Avenue
- Completed 2026
- 1,381 sq ft
- $180,000 to $190,000
A custom-built dry sauna with a steam unit, a large bathroom with a tiled steam shower, bench and niche, an 8-foot bar and a 7-foot island. An 8-by-8 gold-framed mirror, a custom staircase handrail, LED accent lighting and 45 pot lights finish the space, on an insulated DRICORE R+ subfloor.
What a basement in East Gwillimbury costs, by scope
The same quote sheet we use everywhere in the GTA, line by line. Permit drawings, 3D design and the lifetime workmanship warranty are included.
| Scope | Price before HST |
|---|---|
| 600 sq ft with a three-piece bathroom | $56,000 |
| 800 sq ft with a three-piece bathroom | $62,000 |
| 1,000 sq ft with a three-piece bathroom | $67,800 |
| 1,200 sq ft with a three-piece bathroom and two bedrooms | $75,200 |
| 1,500 sq ft with a three-piece bathroom and two bedrooms | $83,700 |
| The family basement: media wall, full bathroom, laundry, around 1,000 sq ft | $60,000 to $85,000 |
| The entertainment build: theatre or media room, bar, gym, spa bathroom, 1,000 to 1,300 sq ft | $95,000 to $130,000 |
| Three-piece bathroom, added to a basement without one | $11,700 |
| Custom wet bar | +$15,000 |
| Home theatre setup | +$20,000 |
| Walkout entrance, permits included | $15,000 to $25,000 |
| Full-perimeter underpinning for low ceilings | $60,000 to $120,000 |
| Legal basement apartment, purpose-built | $75,000 to $110,000 or more |
Every basement is priced from the same quote sheet, line by line: a 1,000 sq ft basement with a three-piece bathroom comes to about $67,800 before HST, and the price per square foot falls as the basement grows because the permit, bin, breakers, stairs and bathroom cost the same at any size. Use the calculator to price yours. Cost guides: bathroom, walkout and underpinning.