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Accessory Dwelling Units in Scugog, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $270,000-$362,000 (about $386/sq ft), with $7,000-$13,000 including Durham Region and septic charges in municipal approvals and a May-October construction season.

Full-service accessory dwelling unit design and construction across the GTA - we take a single-family lot from feasibility review through permit approval, build and final occupancy sign-off on one contract.
Service area
Scugog, Ontario
Durham Region
Typical build estimate
$270,000-$362,000
about $386/sq ft in Scugog
Municipal approvals
$7,000-$13,000 including Durham Region and septic charges
quoted separately from the build
Build season
May-October
156 cm snow · -5.5°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
21,999
residents · walkability 27/100
Lake Scugog is shallow and its shoreline properties fall under Kawartha Conservation rather than the TRCA - a different authority with its own ADU permit timeline. Owners in Caesarea and on Scugog Island are often surprised that their neighbours one township west deal with an entirely different regulator. Scugog permits additional dwelling units; Lake Scugog shoreline properties fall under Kawartha Conservation review and much of the township is on private servicing.
Lake Scugog waterfront and former cottage lots around Port Perry, plus agricultural parcels and Scugog Island. North-GTA snowfall of 156 cm and -5.5°C winters give Scugog a May-October working season - foundations for accessory dwelling units go in before the ground closes, with interior finishing carried through the cold months.
Four physical forms are available on a Scugog lot - detached garden suite or laneway house, an internal basement or upper-floor suite, a garage conversion, and a factory-built module - and the lot itself, not preference, usually decides which two are realistic. We run a feasibility overlay on the parcel first - zoning envelope, servicing capacity, rear-yard access - and only then price the two forms that survive it. Bill 23 permits up to three residential units as-of-right on most serviced Scugog lots, which removes the rezoning application from the default path.
Everything you need to know about our services.
A typical 700 sq ft build in Scugog estimates at $270,000-$362,000 - about $386/sq ft, set by $7,000-$13,000 including Durham Region and septic charges in approvals, a 1.2 m frost-depth footing requirement and 156 cm of annual snow load. Final pricing follows the site visit.
Related service: Our ADU services
Scugog permits additional dwelling units; Lake Scugog shoreline properties fall under Kawartha Conservation review and much of the township is on private servicing. Approval costs in Scugog run $7,000-$13,000 including Durham Region and septic charges, quoted separately from construction so the permit stage holds no surprises.
Related service: Our ADU services
Lake Scugog waterfront and former cottage lots around Port Perry, plus agricultural parcels and Scugog Island. Scugog is car-oriented at 27/100 walkability, so parking retention and driveway access constrain the footprint more than the zoning envelope does. We work regularly in Port Perry, Caesarea, Blackstock.
Related service: Our ADU services
It is decided by the parcel: a registered lane points to a laneway house, a deep rear yard with side access points to a garden suite, adequate head height points to a basement suite, and an existing attached garage points to a conversion. We measure all four against your Scugog lot in the feasibility review before any design fee is charged.
Related service: Laneway Homes
Get a free, no-obligation quote from GTA ADU Builders - zoning review, permit drawings and construction for ADUs across the GTA.