Home/Modular Homes by City/Greater Sudbury
Serving Greater Sudbury & northern Ontario
Modular Homes in Greater Sudbury, Ontario
Factory-direct modular homes and backyard suites for Greater Sudbury and the north. Sudbury has some of Ontario's most generous backyard-suite rules — here's what's allowed, what it costs, and the by-law that applies.
What you can build in Greater Sudbury
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 Greater Sudbury'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? →
Find your backyard suite — 3 quick questions
We'll narrow the models that fit a typical Greater Sudbury 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? (Greater Sudbury lots typically allow up to ~700 sq ft)
Sudbury has no fixed size cap — a detached suite is limited by lot coverage (25% on a fully serviced lot). Your exact lot may allow more or less — get the real number for your address in seconds.
Check your exact Greater Sudbury address →Can you put a garden suite (ADU) in your Greater Sudbury backyard?
Often, yes — Greater Sudbury permits a detached Additional Residential Unit on most serviced residential lots. The specifics, from City of Greater Sudbury Zoning By-law 2010-100Z §4.2.10 (Dwelling Units in Accessory Buildings):
| Max size | No fixed square-footage cap — governed by lot coverage: all accessory buildings combined up to 25% of the lot on full municipal services (10% otherwise). |
|---|---|
| Max height | 8.0 m (≈26 ft) |
| Setbacks | Rear or interior side yard only; at least 2.4 m (≈8 ft) from the main house. A 12 m (≈39 ft) shoreline setback applies near water (30 m / ≈98 ft on lake-trout lakes). |
| Units per lot | Up to two units inside a detached accessory building; up to four dwellings per lot on a fully serviced lot |
| Parking | 1 space per unit |
| Servicing | Municipal services or a private well/septic (private servicing permitted) |
| Conservation | Conservation Sudbury (Nickel District CA) — a permit may be required near wetlands, floodplains, and shorelines |
Grants & financing in Greater Sudbury
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 →
Greater Sudbury modular homes — FAQ
Can you put a backyard suite in Greater Sudbury?
Yes. Sudbury permits up to two dwelling units inside a detached accessory building (a backyard suite), and up to four dwelling units per lot on a fully serviced lot — subject to the rules and a building permit.
How big can a backyard suite be in Sudbury?
There’s no fixed square-footage cap — size is governed by lot coverage (all accessory buildings up to 25% of a fully serviced lot). On most lots that comfortably fits any of our backyard-suite models. Check your address for the specifics.
Can you put a modular home in Greater Sudbury?
Yes. On land you own, a modular home on a permanent foundation is legal residential housing under the Ontario Building Code throughout Greater Sudbury, subject to standard zoning and permits.
How much does a modular home or backyard suite cost in Greater Sudbury?
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 Greater Sudbury?
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 City of Greater Sudbury Zoning By-law 2010-100Z §4.2.10 (Dwelling Units in Accessory Buildings); verified by Modular Homes 400 and reviewed by James Clarke, REALTOR®. Always confirm current requirements with the City of Greater Sudbury before you build.