Basement Renovation in Mississauga

Port Credit · Streetsville · Erin Mills · Square One

Your local Mississauga basement renovation crew

Osoba Renos & Design is headquartered in Mississauga at 3819 Forest Bluff Crescent — a quick drive to every neighbourhood from Port Credit and Lakeview to Streetsville and Meadowvale. We finish basements, build basement apartments, and waterproof below-grade spaces across Peel Region. See exactly how our renovation process works from estimate to handover, or compare materials in our engineered hardwood vs vinyl plank flooring guide.

Make the Right Choice

Why Choose Osoba Renos & Design

№1 Home Remodeling Contractor in Toronto & GTA

Clear Pricing

We believe in full transparency. After your free estimate, we provide a detailed proposal based on precise measurements of your space — so you know exactly what to expect, with no hidden costs.

5-Year Warranty

Our commitment to quality is unwavering, and our warranties reflect that. For up to 5 years after we deliver your project, you can rest assured that every labour cost and material is covered – no exceptions!

In-House Trades

With careful planning and attention to detail, our experienced in-house team ensures your project is completed efficiently and to the highest standards. You can count on a smooth and stress-free renovation experience.

Dedicated Renovation Expert

Committed Project Manager is your sole point of contact who will handle every aspect of the project on your behalf and resolve any issues or queries that arise, every step of the way.

Guaranteed Timeline

Our team follows a carefully structured timeline, accounting for all aspects of the job to ensure your project is completed on schedule and within budget — without compromising on quality.

Basement Renovation Services

  • Open-concept Layout

    Create a bright, inviting lower level with open-concept wall removal, structural adjustments, and smart space planning — perfect for entertainment, living, work, or relaxation.

  • Flooring Upgrade

    Premium installation of engineered hardwood, luxury vinyl plank, or tile with subfloor prep and leveling.

  • Framing & Drywall

    Complete wall construction, drywall installation, and finishing for clean, durable living spaces.

  • Insulation & Soundproofing

    Thermal and acoustic enhancements for a warmer, quieter, and more comfortable basement.

  • Lighting & Electrical Upgrades

    Pot lights, feature lighting, and modern electrical improvements that brighten and elevate the entire space.

  • Basement Bathroom Design & Build

    Spa-inspired basement bathrooms featuring premium tilework, elegant fixtures, seamless waterproofing, and refined finishes — thoughtfully designed and built to elevate comfort and luxury in your lower level.

  • Lifestyle Rooms (Gym, Office, Studio)

    Custom-designed spaces tailored to your wellness, work, or hobby needs.

  • Interior Painting

    Smooth, moisture-resistant painting for a clean, modern finish throughout the basement.

  • Floor Leveling

    Professional leveling for structural stability and flawless future flooring installations.

  • Microcement

    Contemporary microcement walls and feature surfaces offering a sleek, waterproof, minimalist aesthetic.

Basement Renovation FAQ — Mississauga

How long does a basement renovation take in Mississauga?

A full basement renovation in Mississauga is typically completed within 3–4 weeks, depending on scope, layout changes, and whether a basement bathroom or second-suite kitchen is being added. Our crew follows a structured schedule to keep progress predictable and the site clean.

Do I need a building permit for a basement renovation in Mississauga?

Yes — basement finishing in Mississauga requires a City of Mississauga building permit, plus electrical (ESA) and plumbing permits when those trades are involved. Minimum finished ceiling height, egress windows, and fire-separation rules apply, and second units have their own additional requirements. We pull all permits, prepare drawings, and coordinate inspections as part of the project.

How much does a basement renovation cost in Mississauga?

Most Mississauga basement renovations range from $25,000 to $40,000, depending on finishes, flooring choice, bathroom addition, and any structural or electrical upgrades. We provide clear, itemised proposals so you know exactly what is included before work begins.

Can I add a second unit (basement apartment) in Mississauga?

Yes — Mississauga permits second units in most detached, semi-detached, and townhouse properties under the Province of Ontario’s Additional Residential Unit framework, provided egress, fire-separation, and parking requirements are met. A separate registration with the City is required once the unit is built. We confirm what is allowed for your specific property before quoting.

What flooring is best for a basement in Mississauga?

For most Mississauga basements, waterproof vinyl plank is the safest choice — it handles the moisture and temperature swings typical of below-grade rooms in Peel Region. Engineered hardwood can be installed in basements with proven dry slabs and a vapour barrier, but it carries more risk. Tile is appropriate for bathrooms, laundry areas, and entry zones.

Which Mississauga neighbourhoods do you serve?

We work across all of Mississauga — Port Credit, Lakeview, Cooksville, Mississauga Valley, Streetsville, Erin Mills, Meadowvale, Clarkson, Lorne Park, Mineola, Square One/City Centre, and Churchill Meadows. Osoba Renos & Design is headquartered locally in Mississauga, so on-site visits, inspections, and material runs stay efficient.

Also serving Toronto and the wider GTA — see our Toronto & GTA basement renovation page.

Contact Osoba Renos & Design

Planning a basement renovation in Mississauga? Reach out today for a free in-home estimate.

*
*
*

* Required fields