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Custom Home Builder in Etobicoke

Most people assume Etobicoke runs on Toronto’s zoning by-law. Many lots do. Some do not, and they still sit under the former Etobicoke by-law from before amalgamation. A custom home builder in Etobicoke who skips that check can design against the wrong rulebook for weeks before anyone notices.

Select Design Build works across Etobicoke, from The Kingsway and Sunnylea through Humber Valley Village, Alderwood, Mimico and Long Branch. We read the zoning, the trees and the ravine line first, then design. Find out more about how we run a custom home build from drawings to handover.

Send the address. We confirm which by-law applies and what the lot allows.

Licensed to Build in Ontario

Anyone building a new home in Ontario needs a licence from the Home Construction Regulatory Authority, and starting construction without one is a provincial offence. On land you already own, the builder needs both a builder and a vendor licence, and the home has to be enrolled with Tarion before work begins. You can check any builder yourself in the public Ontario Builder Directory.

What this gives you

A contract home carries a seven year warranty on construction defects, covering up to $400,000 from the date you take possession, plus coverage for financial loss if the contract ends before the house is finished.

One exception worth knowing

Build for yourself, on your own land, and manage the work yourself, and you are an owner-builder with no licence requirement. The trade-off is no Tarion enrolment and no warranty. Ask before you sign.

Two Things to Check Before Anyone Draws Your Etobicoke Home

Which by-law governs the lot: most Toronto properties fall under city-wide Zoning By-law 569-2013, but the City states that some properties remain subject to the zoning by-laws of the pre-amalgamation municipalities, and parts of Etobicoke are among them. Those lots appear shaded grey on the City’s Zoning By-law Interactive Map.[+] If your property is one of them, the numbers in 569-2013 are not your numbers.

How to read your zone label

Toronto writes the limits into the zone label itself. A real example from a City by-law reads RD (f18; a707)(x887). That means a detached residential zone with a minimum lot frontage of 18 metres, a minimum lot area of 707 square metres, and exception 887 from Chapter 900 of the by-law. A d value, where it appears, is density, the floor area you are allowed divided by the lot area.

Detached residential zone

f18

Min. frontage, 18 m

a707

Min. lot area, 707 m²

x887

Exception, Chapter 900

The exception number matters more than people expect. It can change height, setbacks or density for your lot alone, and it overrides the standard zone rules. We pull the exception text before design starts, because a plan built on the base zone numbers can fail on a clause written for one street.

The Approval Path for Etobicoke Custom Home Construction

Custom home builders in Etobicoke lose the most time here, because these steps do not run in parallel and two of them have to be finished before a variance hearing, not after it.

Zoning review: the City strongly recommends a Zoning Applicable Law Certificate before you file anything. The examiner’s notice lists every variance you need and every other approval that applies.

Demolition permit: taking the existing house down is its own permit.

Tree and ravine permits: required for protected trees, and for any work in a ravine or natural feature area.

Conservation authority: properties near the valleys and creeks can need Toronto and Region Conservation Authority approval.

Committee of Adjustment: only if the design falls outside the zone limits.

Building permit: submitted once zoning is cleared.

Inspections: booked in sequence through the build.

In effect since September 1, 2026

Toronto's Tree Rules Changed on September 1, 2026

Three changes to the Private Tree Bylaw and the Ravine and Natural Feature Protection Bylaw took effect at the start of September, and they land hardest on exactly the kind of lot people buy in Etobicoke to build on.

61 cm+

Distinctive Trees: healthy private trees over 61 centimetres in diameter now form their own category. The City has to consider that status when it reviews a permit, and it can refuse removal.

New fees

Ravine permit fees: the RNFP bylaw now carries non-refundable application fees for regulated activities including tree injury, removal and grade alteration.

Still 30 cm

The threshold has not moved: private trees are still protected at 30 centimetres in diameter. Council endorsed a reduction to 20 centimetres in principle, pending a detailed analysis and implementation strategy, so treat 30 as the number today and watch the file.

On a multi-stem tree, the largest stem decides. If one stem measures 30 centimetres or more, the whole tree is protected.

When Custom Homes in Etobicoke Need a Minor Variance

A variance is what you file when the use is allowed but the box is wrong: height, setback, coverage or density. In 2026 the City lists $2,228.98 for additions and alterations to dwellings with three units or less, and $5,011.08 for residential dwellings with three units or less. A new house costs more than twice what an addition costs, which is a reason to know early which one you are building.

Two requirements catch people out, and both come straight from the 2026 application:

The site plan you submit has to show every by-law protected tree and its protection zone, with species and diameter. Your tree work is part of the variance file, not a step after it.
A public notice sign goes up on the property for 10 days before a minor variance hearing, and 14 days before a consent hearing. Your neighbours will know, so it is better they hear it from you first.

Applications in Etobicoke are heard by the Etobicoke York panel, the same panel that hears North York files.

Building Near the Humber, Mimico Creek and Etobicoke Creek

Etobicoke is cut by three watercourses, and the land along them is regulated under Chapter 658 of the Municipal Code. Inside a Ravine and Natural Feature Protection area, a permit is needed to injure or remove a tree, to place or dump fill, or to alter the grade of the land. The ravine line has to be drawn on your survey and on every plan you submit.

The mistake we see most often is treating this as a tree issue. It is a grading and excavation issue. On a sloped lot backing onto the valley, the ravine line can decide where the house sits before a single elevation is drawn.

Two Paths to a Building Permit

Inside the zone limits

Zoning review

Drawings

Tree and ravine permits, where the lot needs them

Permit submission

Review and revisions

Construction

Outside the zone limits

A Committee of Adjustment application is added ahead of the permit, with the notice period, hearing and decision that come with it.

Zoning review

Committee of Adjustment: notice, hearing, decision

Building permit

Construction

The zoning review is what tells you which path you are on, and it costs a fraction of what a late redesign costs.

Building Across Etobicoke

Area

What usually comes up

The Kingsway, Sunnylea, Humber Valley Village

Large lots with mature canopy, where the new Distinctive Tree category is most likely to apply

Princess-Rosethorn, Edenbridge

Deep lots backing onto the Humber, where the ravine line often sets the footprint

Mimico, New Toronto, Long Branch

Narrower lots where frontage, coverage and density in the zone label decide the design

Alderwood, Markland Wood

Post-war subdivisions where the applicable by-law is the first thing to confirm

We also build in Islington-City Centre, Eringate, Richview, Rexdale and Humber Bay.

Frequently Asked Questions

How do I know which zoning by-law applies to my Etobicoke property?

Check the City’s Zoning By-law Interactive Map. Properties shaded grey are still governed by a former municipal by-law rather than city-wide By-law 569-2013, and parts of Etobicoke fall into that group. A zoning review from Toronto Building confirms it in writing.

What do the numbers in brackets after my zone mean?

They set the limits for your lot: minimum frontage, minimum lot area, density and any exception number, written directly into the zone label.

Can I remove a large tree to make room for the new house?

Only with a permit once the tree is protected size. Trees 30cm and over need a permit, and trees over 61cm are now Distinctive Trees, which the City must weigh more heavily before allowing removal.

How much does a minor variance cost in Etobicoke?

In 2026 the City lists $2,228.98 for additions and alterations to dwellings with three units or less, and $5,011.08 for a new residential dwelling with three units or less.