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Rental Income Suites in Vaughan, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $276,500-$370,500 (about $395/sq ft), with $9,000-$16,000 including York Region development charges in municipal approvals and a May-October construction season.

Homeowners across the GTA who want a second dwelling that pays for itself. We size, permit and build a legal rental suite on your existing lot so the unit meets Ontario Building Code fire separation and egress rules and can be tenanted from the day occupancy is signed off.
Service area
Vaughan, Ontario
York Region
Typical build estimate
$276,500-$370,500
about $395/sq ft in Vaughan
Municipal approvals
$9,000-$16,000 including York Region development charges
quoted separately from the build
Build season
May-October
141 cm snow · -4.6°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
323,103
residents · walkability 42/100
Vaughan's Kleinburg and rural-edge pockets still run on private septic, and an additional dwelling unit means a septic capacity review before design begins. On municipal-serviced Woodbridge and Vellore lots we skip that step entirely - which is why the same-size unit can differ by six weeks of approval time across one city. Vaughan's additional dwelling unit by-law permits a unit in the main house and a detached unit, with servicing capacity confirmation required from York Region.
Large estate-scale lots in Kleinburg and Woodbridge with private septic in some pockets - servicing review governs feasibility.
A unit built to rent is designed around durability and turnover: finishes that survive tenancies, a laundry hookup inside the suite, and metering arranged so utilities are not argued about later. We register the unit properly with York Region so it is a legal second dwelling from day one - an unregistered suite in Vaughan is uninsurable and unenforceable against a tenant. Vaughan's 323,103 residents and employers including Mackenzie Health and Canada's Wonderland set the realistic rent, which is the number the whole build budget should be tested against.
Everything you need to know about our services.
A typical 700 sq ft build in Vaughan estimates at $276,500-$370,500 - about $395/sq ft, set by $9,000-$16,000 including York Region development charges in approvals, a 1.2 m frost-depth footing requirement and 141 cm of annual snow load. Final pricing follows the site visit.
Related service: Our ADU services
Vaughan's additional dwelling unit by-law permits a unit in the main house and a detached unit, with servicing capacity confirmation required from York Region. Approval costs in Vaughan run $9,000-$16,000 including York Region development charges, quoted separately from construction so the permit stage holds no surprises.
Related service: Detached ADU
Large estate-scale lots in Kleinburg and Woodbridge with private septic in some pockets - servicing review governs feasibility. At 42/100 walkability, Vaughan suites usually keep one parking space: enough to clear the zoning review without surrendering the whole yard. We work regularly in Woodbridge, Maple, Thornhill.
Related service: ADU Building Permit
Yes - a second dwelling has to be a legal, permitted unit with York Region before it is tenanted. An unregistered suite in Vaughan typically voids the property insurance, cannot be enforced under the Residential Tenancies Act, and becomes an open liability at resale.
Related service: Our ADU services
Get a free, no-obligation quote from GTA ADU Builders - zoning review, permit drawings and construction for ADUs across the GTA.