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Real Estate Investors 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.

Investors adding a income-generating unit to an existing rental property. We start with a feasibility and lot review that states what the zoning allows, what the build costs and what the unit rents for before you commit capital.
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. North-GTA snowfall of 158 cm and -5.6°C winters give Uxbridge a May-October working season - foundations for real estate investors go in before the ground closes, with interior finishing carried through the cold months.
An investment ADU is underwritten before it is designed: the build cost, the $7,500-$13,500 including Durham Region and septic charges in approvals and the achievable Uxbridge rent decide the unit size, not the other way round. We price the feasibility stage as a standalone deliverable so the numbers can be tested against your Uxbridge parcel before any commitment to design. A legal second unit changes the appraisal basis of the property, which is the return most owners underestimate next to the monthly rent.
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
A legal, permitted second unit changes how the property is appraised in Uxbridge - it is valued partly on income rather than purely on comparables. An unpermitted suite does the opposite: it is discounted or excluded entirely, and it surfaces on every purchaser's title and insurance review.
Related service: Accessory Dwelling Units
Get a free, no-obligation quote from GTA ADU Builders - zoning review, permit drawings and construction for ADUs across the GTA.