ADU Feasibility in Barrie & Simcoe County

Zoning limits, typical rent, and 5%-down CMHC Prefab Plus financing for detached additional dwelling units (DADUs) in Simcoe County — checked against 2026 by-laws and market data.

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Zoning Rules for Barrie & Simcoe County

Max ADU Size
807 sq ft
Rear Setback
1.2 m
Side Setback
1.2 m
Max Height
4.5 m

As-of-right status: Yes, as-of-right. Lesser of 45% of the main house floor area or 75 m².

Source: City of Barrie ADU by-law, 2026

⚠️ Preliminary estimate based on publicly available zoning by-laws as of 2026. Your lot, tree by-laws, and recent amendments may change what applies. Our $497 Feasibility Report includes a verified zoning review for your exact address.

Typical Barrie & Simcoe County ADU Rent (2026)

Studio
$1,300/mo
1-Bedroom
$1,700/mo
2-Bedroom
$2,100/mo

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Financing: CMHC Prefab Plus (5% Down)

As of 2026, CMHC insures mortgages for prefab/modular ADU construction with as little as 5% down and staged funding across 4 milestones — the same terms as buying a regular home.

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Barrie & Simcoe County ADU — Frequently Asked

How big can a Barrie backyard suite be?
The lesser of 45% of your main house floor area or 75 m² (about 807 sq ft), whichever is smaller.
What setbacks apply in Barrie?
A 1.2m setback from side and rear lot lines, with a maximum height of 4.5m that cannot exceed the height of the principal house.
What is the rental market like in Barrie?
Roughly $1,700/mo for a 1-bedroom and $2,100/mo for a 2-bedroom unit as of 2026, with strong demand from Toronto-area commuters.

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