What does basement finishing cost in Barrie?

Most finished basements in Barrie run $35–$75 per square foot, depending on the finish. A basic rec-room build (framing, drywall, flooring, electrical, paint) lands at the lower end; a legal basement apartment with a kitchen, bathroom, separate entrance, fire separation, and egress windows lands higher. For a 700 sq ft basement, that’s roughly $24,500–$52,500 all-in before selected finishes. The honest way to pin it down is an on-site look — get a free quote at https://gdslandscaping.ca/get-a-quote/ or play with the numbers on our cost calculator: https://gdslandscaping.ca/cost-calculator/

What makes a basement “legal” in Barrie?

A legal second unit needs, at minimum: a separate entrance (or a code-compliant shared one), fire separation between units, proper ceiling height, egress windows in bedrooms, interconnected smoke/CO alarms, and permits with city inspections. Skipping any of these is where “finished” basements fail at resale or insurance time. We’ve finished basements across Barrie and Simcoe County for 12 years, and we build to the Ontario Building Code from day one.

Why winter is a smart time to finish your basement

Crews are indoors anyway — no weather delays on framing, drywall, or flooring. Material deliveries move faster, permits often process quicker than the spring rush, and a suite started in January can be rental-ready for the spring market. If the basement is your 2026 income plan, winter is when to build it.

How long does it take?

A typical Barrie basement finishing project runs 6–10 weeks: framing and rough-ins (weeks 1–2), inspections, insulation and drywall (weeks 3–4), flooring, trim, and paint (weeks 5–6), then kitchen/bath finishing and final inspection (weeks 7–10) for legal-suite builds. Rec-room-only builds finish faster.

5 questions to ask before you start

  1. Is the foundation dry year-round? (Fix water before finishes — see our exterior waterproofing page: https://gdslandscaping.ca/exterior-waterproofing/)
  2. Does my ceiling height and window size meet code for a bedroom?
  3. Where will the separate entrance go?
  4. What’s my panel capacity for a second kitchen?
  5. Am I finishing for family use or rental income? The answer changes the build.

FAQs

How much does it cost to finish a basement in Barrie?
$35–$75 per square foot installed, depending on finish level and whether it’s a legal suite.

Can you build a legal basement apartment?
Yes — we handle design-to-inspection builds including fire separation, egress, and separate entrances.

Do you work through the winter?
Yes. Basement finishing is interior work; winter is actually an ideal season for it.

How do I get an exact price?
Book a free on-site estimate: https://gdslandscaping.ca/get-a-quote/ or call (647) 767-1986.


Thinking about your own basement? Talk to GDS Landscaping and General Contracting — 12 years of hands-on work across Barrie and Simcoe County. Free quotes, honest work.