Loading...
Loading...
Prefab and Modular Buyers in King, 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-$16,500 including York Region and septic 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
King, Ontario
York Region
Typical build estimate
$269,500-$361,000
about $385/sq ft in King
Municipal approvals
$9,000-$16,500 including York Region and septic charges
quoted separately from the build
Build season
May-October
150 cm snow · -5.3°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
27,333
residents · walkability 21/100
King Township is almost entirely Oak Ridges Moraine and Greenbelt, with core-area designations that prohibit new building envelopes outright on some parcels. We run a moraine designation check against the property roll number before quoting a King City or Nobleton laneway-suite or garden-suite project, because on a core-area lot the honest answer is sometimes no. King Township permits additional dwelling units, with Oak Ridges Moraine and Greenbelt policies plus private servicing governing the majority of properties.
Estate and agricultural parcels, many over an acre, on private well and septic with moraine core-area restrictions. North-GTA snowfall of 150 cm and -5.3°C winters give King a May-October working season - foundations for prefab and modular buyers go in before the ground closes, with interior finishing carried through the cold months.
Modular delivery in King 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 York 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 King estimates at $269,500-$361,000 - about $385/sq ft, set by $9,000-$16,500 including York Region and septic charges in approvals, a 1.2 m frost-depth footing requirement and 150 cm of annual snow load. Final pricing follows the site visit.
Related service: Prefab ADU
King Township permits additional dwelling units, with Oak Ridges Moraine and Greenbelt policies plus private servicing governing the majority of properties. Approval costs in King run $9,000-$16,500 including York Region and septic charges, quoted separately from construction so the permit stage holds no surprises.
Related service: Prefab ADU
Estate and agricultural parcels, many over an acre, on private well and septic with moraine core-area restrictions. King is car-oriented at 21/100 walkability, so parking retention and driveway access constrain the footprint more than the zoning envelope does. We work regularly in King City, Nobleton, Schomberg.
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 King before contract, because a failed pick is the one problem no amount of design revision fixes on delivery day.
Related service: Prefab ADU
Get a free, no-obligation quote from GTA ADU Builders - zoning review, permit drawings and construction for ADUs across the GTA.