The price includes but is not limited to:
Yes, all local municipalities in Ontario require a building permit for ADU construction.
Projects can typically take 4-6 months from start to finish.
Across most municipalities, one Detached ADU is permitted on a single lot.
As for Attached ADU, most municipalities allow up to two Attached ADU's on a single lot (i.e. basement apartment + garage ADU).
Yes, new Ontario legislation allows almost any parcel or urban residential land including detached dwellings, semi-detached dwellings, or townhouses to build / construct an ADU given that the land meets ADU By-Law requirements such as setbacks, distances from the main / existing dwelling, and height and size requirements.