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Rental Income Suites in Uxbridge, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $272,500-$365,000 (about $389/sq ft), with $7,500-$13,500 including Durham Region and septic 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
Uxbridge, Ontario
Durham Region
Typical build estimate
$272,500-$365,000
about $389/sq ft in Uxbridge
Municipal approvals
$7,500-$13,500 including Durham Region and septic charges
quoted separately from the build
Build season
May-October
158 cm snow · -5.6°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
21,556
residents · walkability 30/100
Uxbridge calls itself the Trail Capital of Canada, and the moraine kettle-and-kame topography that makes those trails also makes the building sites: sharply rolling ground where a level 700 sq ft ADU pad often needs a retaining wall. We budget site grading as a distinct line here, not as a rounding error. Uxbridge permits additional dwelling units; the Oak Ridges Moraine covers most of the township and the historic downtown carries heritage designations.
Moraine acreage on private servicing surrounding a compact serviced village with Victorian-era lots.
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 Durham Region so it is a legal second dwelling from day one - an unregistered suite in Uxbridge is uninsurable and unenforceable against a tenant. Uxbridge's 21,556 residents and employers including Uxbridge Cottage Hospital and Township of Uxbridge 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 Uxbridge estimates at $272,500-$365,000 - about $389/sq ft, set by $7,500-$13,500 including Durham Region and septic charges in approvals, a 1.2 m frost-depth footing requirement and 158 cm of annual snow load. Final pricing follows the site visit.
Related service: Our ADU services
Uxbridge permits additional dwelling units; the Oak Ridges Moraine covers most of the township and the historic downtown carries heritage designations. Approval costs in Uxbridge run $7,500-$13,500 including Durham Region and septic charges, quoted separately from construction so the permit stage holds no surprises.
Related service: Our ADU services
Moraine acreage on private servicing surrounding a compact serviced village with Victorian-era lots. Uxbridge is car-oriented at 30/100 walkability, so parking retention and driveway access constrain the footprint more than the zoning envelope does. We work regularly in Uxbridge village, Goodwood, Leaskdale.
Related service: Our ADU services
Yes - a second dwelling has to be a legal, permitted unit with Durham Region before it is tenanted. An unregistered suite in Uxbridge 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.