
Home/Modular Homes by City/Milton
Serving Milton & Halton Region
Modular Homes in Milton, Ontario
Factory-direct modular homes and backyard suites for Milton and Halton Region. Here's what Milton's additional-dwelling-unit by-law allows in your backyard, what it costs, and the rules that apply.
What you can build in Milton
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 Milton'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 Milton 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? (Milton lots typically allow up to ~700 sq ft)
Milton caps a detached suite at the lesser of 10% of the lot or 110 m² (≈1,184 sq ft). Your exact lot may allow more or less — get the real number for your address in seconds.
Check your exact Milton address →Can you put a garden suite (ADU) in your Milton backyard?
Often, yes — Milton permits a detached Additional Residential Unit on most serviced residential lots. The specifics, from Town of Milton Comprehensive Zoning By-law 016-2014 §4.10 (Additional Dwelling Units):
| Max size | The lesser of 10% of the lot or 110 m² (≈1,184 sq ft). A suite over a detached garage can be larger — up to your home’s floor area, two storeys / 6 m. |
|---|---|
| Max height | 4.3 m (≈14 ft) for a garden suite (up to 6 m / ≈20 ft over a detached garage) |
| Setbacks | 1.5 m (≈5 ft) rear; 1.2 m (≈4 ft) side; 3.5 m (≈11 ft) separation from the main house |
| Units per lot | Up to 3 ADUs — at most one in a detached/accessory building |
| Parking | 1 space per ADU |
| Servicing | Municipal water & sewer required |
| Conservation | Conservation Halton; Niagara Escarpment Commission on Escarpment lands |
Grants & financing in Milton
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 →
Milton modular homes — FAQ
Can you put a garden suite in Milton?
Yes. Milton permits up to three additional dwelling units per lot (at most one in a detached building) on serviced urban lots — subject to size, height, and setback rules and a building permit.
How big can a garden suite be in Milton?
A detached suite is capped at the lesser of 10% of the lot or 110 m² (≈1,184 sq ft); a suite over a detached garage can be larger. Check your address for the specifics.
Can you put a modular home in Milton?
Yes. On land you own, a modular home on a permanent foundation is legal residential housing under the Ontario Building Code throughout Milton, subject to standard zoning and permits.
How much does a modular home or backyard suite cost in Milton?
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 Milton?
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 Town of Milton Comprehensive Zoning By-law 016-2014 §4.10 (Additional Dwelling Units); verified by Modular Homes 400 and reviewed by James Clarke, REALTOR®. Always confirm current requirements with the City of Milton before you build.