Garden Suite Cost in Toronto (2026 Guide): What You’ll Pay & How the Permit Works
Thinking about putting a garden suite in your Toronto backyard? Every suite is custom-quoted — costs depend on size, finishes and site conditions. A building permit is always required, but Toronto now permits garden suites as-of-right on most residential lots. Contact us for a free estimate.
What does a garden suite cost in Toronto? (2026)
All-in hard-construction costs for a turnkey, move-in-ready suite (foundation, framing, envelope, mechanical, electrical, plumbing, interior finishes, exterior cladding):
| Suite size | Pricing |
|---|---|
| 500–600 sq ft (1 bed) — standard finishes | Free estimate |
| 500–600 sq ft (1 bed) — premium finishes | Free estimate |
| 600–700 sq ft (1–2 bed) — standard finishes | Free estimate |
| 600–700 sq ft (1–2 bed) — premium finishes | Free estimate |
| 700–1,000 sq ft (2 bed) — standard finishes | Free estimate |
| 700–1,000 sq ft (2 bed) — premium finishes | Free estimate |
Soft costs sit on top of construction — budget extra for design & drawings, permits & approvals, and site extras like surveys, arborist reports and restoring your landscaping after the heavy equipment leaves. Contact us for a free estimate.
What moves your number most: suite size (square footage is the #1 driver), foundation/excavation conditions (clay, high water table, buried surprises), kitchen and bathroom quality, window packages, and tree protection on your lot.
Toronto garden suite rules: what the City actually allows
Toronto’s garden suite rules (Zoning By-law 569-2013, Chapter 150.7) — the summary version:
• One suite per lot, on most low-density residential lots. No severance — it stays part of your property.
• Footprint: the lesser of 40% of your rear yard or 60 m² (646 sq ft).
• Interior floor area must be less than your main house’s total floor area.
• Height: up to 4 m if at least 5 m from the house; up to 6 m if at least 7.5 m away.
• Setbacks: side — 0.6 m (or 10% of frontage, max 3 m); 1.5 m if there’s a window or door on that side. Rear — typically 1.5 m.
• Soft landscaping: at least 50% of the rear yard must stay soft landscaping (25% on narrow lots).
• Parking: no car space required; two bike spaces must be provided.
• Trees: protected trees (30 cm+ diameter) generally can’t be removed to build one.
• Basements are permitted. Short-term rentals follow the City’s short-term rental by-law.
Feasibility is the real question: zoning permission doesn’t mean a compliant suite physically fits. Lot size, emergency access from the street, trees, and the building code decide — which is why a free on-site feasibility visit matters more than reading the by-law.
The permit process, step by step
Pisces handles the entire permit process for you — from drawings to City approvals. Here’s what that looks like:
- Feasibility & design. We measure your lot, check setbacks, trees and access, and design a suite that fits — or adapt the City’s pre-approved plan sets. (Pre-approval streamlines zoning review, but it does not replace the building permit — a permit is required regardless of size.)
- Zoning Applicable Law Certificate (ZALC). Confirms your property meets zoning and legal requirements before the full permit application. Fee: check the City of Toronto’s published fee schedule.
- Building permit application. Filed through the City’s ePlans portal — architectural, structural, mechanical, electrical and plumbing drawings.
- Permit fees. Toronto’s published fee schedule sets the construction, plumbing, mechanical and electrical permit fees — Pisces includes the full permit process in your fixed written quote.
- Construction. Foundation, framing, envelope, systems, finishes — with the yard restored when we leave.
- Inspections & occupancy. City inspections at each stage; when they sign off, the suite is legal and move-in ready.
Realistic timeline: design and permits typically take 3–6 months (less with pre-approved plans), construction 4–8 months. Total 9–14 months from “let’s do this” to move-in.
Why build your garden suite with Pisces
Nobody else in the GTA gives you one crew for the whole backyard:
- Suite + everything around it. While others hand you a bare box, Pisces builds the suite, the interlock driveway, the deck, the pool shell, the drainage and the landscaping — one team, one schedule, no finger-pointing between contractors.
- Real projects, real photos. Our site shows actual Pisces builds, not stock photography.
- Permit process handled. Drawings to City approvals — we take care of it so you don’t live in permit limbo.
- Built for Ontario winters. We build for freeze-thaw reality: proper foundations, drainage, and (if you want it) a heated driveway to the new suite — never shovel again.
The landscape around your garden suite matters as much as the suite
Most garden suite builders hand you a finished box and leave the yard torn up. The exterior work is what makes the suite livable — and Toronto’s rules make it part of the project:
- Grading & drainage first. Construction reshapes how water moves across your lot. We re-grade around the suite, tie gutters and downspouts into solid pipe, and install French drains where the soil holds water — so the new building never sends runoff at your house or the neighbour’s.
- Walkways & patios. An interlock walkway from the main house (and the street) to the suite’s front door, plus a patio off the suite for outdoor living — laid on the same frost-proof base as our driveways.
- Soft landscaping quota. Toronto requires at least 50% of the rear yard to stay soft landscaping (25% on narrow lots). We design planting beds, sod and privacy planting — cedars, ornamental grasses, layered beds — that satisfy the rule and make the suite feel private, not squeezed in.
- Servicing & access. The suite needs water, sewer and electrical connections trenched from the main house. We excavate, coordinate the tie-ins, backfill and restore the ground above — one schedule, not three contractors digging the same yard.
- Lighting & finishing. Landscape lighting rough-in, fence lines and a finished lawn — the yard looks intentional when we leave, not like a construction site that happened to get a building.
Common questions
How much does a garden suite cost to build in Toronto in 2026?
Turnkey garden suite costs vary widely by size, finishes and site conditions — contact us for a free estimate. Pisces gives every homeowner a fixed written quote after a free on-site visit.
Can I build a garden suite in Toronto without a permit?
No. Every garden suite in Toronto needs a building permit, regardless of size — even when you use the City’s pre-approved plan sets. Pisces handles the full permit process for you, from drawings and the Zoning Applicable Law Certificate (ZALC) through the ePlans submission, City review and inspections to occupancy.
How big can a garden suite be in Toronto?
The footprint is capped at the lesser of 40% of your rear yard or 60 m² (646 sq ft), and the suite’s total floor area must be less than your main house’s. In practice, most Toronto suites end up 500–800 sq ft. A free on-site feasibility visit confirms what your specific lot allows.
How long does the garden suite process take, from first call to move-in?
Timelines vary with City review queues, lot conditions and model size. Pisces gives you a project-specific schedule for your lot after a free on-site visit.
Can I rent out my garden suite?
Yes — garden suites may be used for long-term rentals, and standard Ontario rental rules apply. Short-term rentals follow the City’s short-term rental by-law. Many Toronto homeowners build a suite for rental income, a home office, or independent space for family members.
What kills most garden suite projects?
Lot feasibility, not the by-law: protected trees (30 cm+ diameter generally can’t be removed), no workable emergency access from the street, or a rear yard that’s mostly unusable after setbacks. A free on-site visit answers this in under an hour — honestly, before you spend a dollar.
Get a free garden suite feasibility check.
Call 647-860-0400 or email info@pisceslandscaper.ca — we’ll visit your property, tell you honestly whether a garden suite fits your lot, and give you a fixed written quote if it does.