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Home/Modular Homes by City/Mississauga

Serving Mississauga & Peel Region

Modular Homes in Mississauga, Ontario

Factory-direct modular homes and backyard suites for Mississauga and Peel Region. Here's what Mississauga's additional-dwelling-unit by-law allows in your backyard, what it costs, and the rules that apply.

What you can build in Mississauga

Full modular homes — from $175,696. 29 models from 560 to 1,405 sq ft, 1–3 bedrooms — factory-built to the Ontario Building Code and set on a permanent foundation (a real, permanent house, not a “trailer”).

Backyard suites (ADUs) — from $96,244. 7 compact models built for garden-suite and in-law-suite use, sized to fit what Mississauga's by-law allows.

All homes are CSA-certified (A277 modular / Z240MH manufactured), finished in the factory, and delivered ready for foundation and hook-up. What's the difference between modular, manufactured, and mobile? →

Modular Match

Find your backyard suite — 3 quick questions

We'll narrow the models that fit a typical Mississauga backyard allowance to the ones that fit your life. No email needed.

1 · Who's it for?

2 · What layout?

3 · What size feels right? (Mississauga lots typically allow up to ~700 sq ft)

Mississauga’s cap is lot-size based — smaller lots allow less, larger lots up to 100 m² (≈1,075 sq ft). Your exact lot may allow more or less — get the real number for your address in seconds.

Check your exact Mississauga address →

Can you put a garden suite (ADU) in your Mississauga backyard?

Often, yes — Mississauga permits a detached Additional Residential Unit on most serviced residential lots. The specifics, from Mississauga Zoning By-law 0225-2007 (as amended by By-law 0174-2023), Table 4.1.1.14:

Max sizeLot-size based: lots of 550 m² (≈5,920 sq ft) or less → 55 m² (≈592 sq ft, one storey); larger lots → 10% of the lot area, up to a maximum of 100 m² (≈1,075 sq ft).
Max height4.6 m (≈15 ft) one-storey (sloped roof) / 3.0 m (≈10 ft) flat; 6.8 m (≈22 ft) for a two-storey suite — two-storey only on lots over 750 m² (≈8,070 sq ft)
Setbacks0.6 m (≈2 ft) interior side one-storey (1.8 m / ≈6 ft two-storey) · 1.8 m (≈6 ft) rear · 2.5 m (≈8 ft) exterior side
ParkingNone required
ServicingMunicipal water & sewer required
ConservationCredit Valley Conservation (CVC) near valleys and watercourses

Check your specific Mississauga address →

Grants & financing in Mississauga

See every program → Ontario ADU Grants Directory

A modular or prefab home on a permanent foundation is financed like any house. CMHC Prefab Plus allows an insured mortgage with as little as 5% down on the first $500,000, with construction funds released in stages. How modular home financing works →

Thinking of the suite as a rental? Run the numbers →

Mississauga modular homes — FAQ

Can you put a backyard suite in Mississauga?

Yes. Mississauga permits a detached additional residential unit on most serviced residential lots with a house, as-of-right — subject to the size, height, and setback rules and a building permit.

How big can a backyard suite be in Mississauga?

It depends on your lot: up to 55 m² (≈592 sq ft) on lots of 550 m² or less, or 10% of the lot up to a maximum of 100 m² (≈1,075 sq ft) on larger lots. Check your address for the exact number.

Can you put a modular home in Mississauga?

Yes. On land you own, a modular home on a permanent foundation is legal residential housing under the Ontario Building Code throughout Mississauga, subject to standard zoning and permits.

How much does a modular home or backyard suite cost in Mississauga?

Modular home models start at $175,696 and run to about $338,000 for the largest layouts; backyard ADU models start at $96,244. Site work, foundation, delivery, and permits are additional.

Can I get a mortgage on a modular home in Mississauga?

Yes — on a permanent foundation it is financed as real property, including via CMHC Prefab Plus (5% down on the first $500,000).

Local rules summarized from Mississauga Zoning By-law 0225-2007 (as amended by By-law 0174-2023), Table 4.1.1.14; verified by Modular Homes 400 and reviewed by James Clarke, REALTOR®. Always confirm current requirements with the City of Mississauga before you build.

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