Home/Modular Homes by City/Newmarket
Serving Newmarket & York Region
Modular Homes in Newmarket, Ontario
Factory-direct modular homes and backyard suites for Newmarket and York Region. Here's what Newmarket's additional-residential-unit by-law allows in your backyard, what it costs, and the rules that apply.
What you can build in Newmarket
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 Newmarket'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 Newmarket 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? (Newmarket lots typically allow up to ~700 sq ft)
Newmarket caps a detached suite at the lesser of 10% of the lot or 75 m² (≈807 sq ft) one-storey. Your exact lot may allow more or less — get the real number for your address in seconds.
Check your exact Newmarket address →Can you put a garden suite (ADU) in your Newmarket backyard?
Often, yes — Newmarket permits a detached Additional Residential Unit on most serviced residential lots. The specifics, from Town of Newmarket Zoning By-law 2010-40 (with 1979-50 / 2019-06), ARU provisions:
| Max size | The lesser of 10% of the lot or 75 m² (≈807 sq ft) one-storey / 100 m² (≈1,075 sq ft) two-storey |
|---|---|
| Max height | 5.5 m (≈18 ft) one-storey (3.5 m / ≈11 ft flat); 6.5 m (≈21 ft) two-storey or above a garage |
| Setbacks | 1.8 m (≈6 ft) rear and side; 3.0 m (≈10 ft) separation from the main house |
| Units per lot | Up to 2 ARUs total — only one may be detached |
| Parking | 1 space per ARU |
| Servicing | Municipal services or private servicing (with an adequacy demonstration). Detached ARUs must be registered with the Town. |
| Conservation | Lake Simcoe Region Conservation Authority (LSRCA) |
Grants & financing in Newmarket
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 →
Newmarket modular homes — FAQ
Can you put a backyard suite in Newmarket?
Yes. Newmarket permits up to two additional residential units per lot (one of them detached) — subject to size, height, and setback rules, registration, and a building permit.
How big can a backyard suite be in Newmarket?
A detached suite is capped at the lesser of 10% of the lot or 75 m² (≈807 sq ft) for one storey (100 m² / ≈1,075 sq ft two-storey). Check your address for the specifics.
Can you put a modular home in Newmarket?
Yes. On land you own, a modular home on a permanent foundation is legal residential housing under the Ontario Building Code throughout Newmarket, subject to standard zoning and permits.
How much does a modular home or backyard suite cost in Newmarket?
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 Newmarket?
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 Newmarket Zoning By-law 2010-40 (with 1979-50 / 2019-06), ARU provisions; verified by Modular Homes 400 and reviewed by James Clarke, REALTOR®. Always confirm current requirements with the City of Newmarket before you build.