Home/Modular Homes by City/Halton Hills
Serving Halton Hills & Halton Region
Modular Homes in Halton Hills, Ontario
Factory-direct modular homes and backyard suites for the Town of Halton Hills — Georgetown, Acton, and the surrounding hamlets. Here's what Halton Hills' additional-residential-unit by-law allows in your backyard, what it costs, and the rules that apply.
What you can build in Halton Hills
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 Halton Hills'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 Halton Hills 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? (Halton Hills lots typically allow up to ~969 sq ft)
Halton Hills caps a detached ARU at the lesser of 90 m² (≈969 sq ft) or 40% of your home in the urban areas (Georgetown/Acton); up to 140 m² (≈1,507 sq ft) in the rural zones. Your exact lot may allow more or less — get the real number for your address in seconds.
Check your exact Halton Hills address →Can you put a garden suite (ADU) in your Halton Hills backyard?
Often, yes — Halton Hills permits a detached Additional Residential Unit on most serviced residential lots. The specifics, from Town of Halton Hills Zoning By-law 2010-0050 + Table 4.2.1 (added by By-law 2024-0098, in force December 2024):
| Max size | Urban: lesser of 90 m² (≈969 sq ft) or 40% of your home · Rural: lesser of 140 m² (≈1,507 sq ft) or 45% |
|---|---|
| Max height | 6.5 m (≈21 ft) urban / 8.0 m (≈26 ft) rural, and at least 1 m lower than the main house |
| Setbacks (urban) | 1.0 m (≈3 ft) interior side — 2.0 m if it has side-facing windows · 1.5 m (≈5 ft) rear · not in the front yard |
| Units per lot | Up to 2 ARUs (3 units total); at most one detached |
| Parking | 1 space per ARU |
| Servicing | Georgetown & Acton on full municipal services; rural / hamlet lots on private well & septic (capacity review) |
| Conservation | Credit Valley Conservation, Conservation Halton, or Grand River CA by watershed; Niagara Escarpment permit on Escarpment lands |
Grants & financing in Halton Hills
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 →
Halton Hills modular homes — FAQ
Can you build a garden suite in Georgetown or Acton?
Yes. Halton Hills permits a detached additional residential unit on residential lots that allow a single, semi-detached, or townhouse dwelling — subject to the size, height, and setback rules and a building permit.
How big can a detached ARU be in Halton Hills?
In the urban areas, the lesser of 90 m² (≈969 sq ft) or 40% of your home; in the rural zones, up to 140 m² (≈1,507 sq ft) or 45%. Check your address for the specifics.
Can you put a modular home in Halton Hills?
Yes. On land you own, a modular home on a permanent foundation is legal residential housing under the Ontario Building Code throughout Halton Hills, subject to standard zoning and permits.
How much does a modular home or backyard suite cost in Halton Hills?
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 Halton Hills?
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 Halton Hills Zoning By-law 2010-0050 + Table 4.2.1 (added by By-law 2024-0098, in force December 2024); verified by Modular Homes 400 and reviewed by James Clarke, REALTOR®. Always confirm current requirements with the City of Halton Hills before you build.