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Prefab and Modular Buyers in Caledon, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $269,500-$361,000 (about $385/sq ft), with $9,000-$16,000 including Peel Region and septic permit charges in municipal approvals and a May-October construction season.

Owners who want a shorter on-site build. Modules are fabricated off-site while the foundation and services go in, cutting weeks of weather exposure and neighbour disruption compared with full stick-build.
Service area
Caledon, Ontario
Peel Region
Typical build estimate
$269,500-$361,000
about $385/sq ft in Caledon
Municipal approvals
$9,000-$16,000 including Peel Region and septic permit charges
quoted separately from the build
Build season
May-October
152 cm snow · -5.4°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
76,581
residents · walkability 22/100
Most of Caledon sits inside the Greenbelt or on the Niagara Escarpment, and almost every rural property runs on private well and septic. An accessory dwelling unit here starts with a septic loading calculation - the existing bed often cannot legally take another bedroom, and a new tile field, not the building, becomes the largest single line in the budget. Caledon permits additional residential units, but most rural properties require a septic capacity assessment and, on the escarpment, Niagara Escarpment Commission approval.
Rural acreages on private well and septic; Greenbelt and escarpment overlays cover a majority of the town's land area.
Modular delivery in Caledon is decided by the crane pick, not the drawings: the truck route, the overhead wires on your street and the setup radius determine whether a two-module unit is deliverable at all. We survey the pick before contract - overhead clearance, boom position, road closure requirements with Peel Region - so the crane day is booked against a route that has already been proven. Where the pick fails, the same design is normally buildable stick-built on the identical 1.2 m foundation, so the feasibility work is never wasted.
Everything you need to know about our services.
A typical 700 sq ft build in Caledon estimates at $269,500-$361,000 - about $385/sq ft, set by $9,000-$16,000 including Peel Region and septic permit charges in approvals, a 1.2 m frost-depth footing requirement and 152 cm of annual snow load. Final pricing follows the site visit.
Related service: Prefab ADU
Caledon permits additional residential units, but most rural properties require a septic capacity assessment and, on the escarpment, Niagara Escarpment Commission approval. Approval costs in Caledon run $9,000-$16,000 including Peel Region and septic permit charges, quoted separately from construction so the permit stage holds no surprises.
Related service: Prefab ADU
Rural acreages on private well and septic; Greenbelt and escarpment overlays cover a majority of the town's land area. Caledon is car-oriented at 22/100 walkability, so parking retention and driveway access constrain the footprint more than the zoning envelope does. We work regularly in Bolton, Caledon East, Inglewood.
Related service: Prefab ADU
Three things, in this order: overhead wires on the street, a side-yard or frontage too narrow for the crane setup radius, and a truck route that cannot legally carry the module. We check all three in Caledon before contract, because a failed pick is the one problem no amount of design revision fixes on delivery day.
Related service: Prefab ADU
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