ReverseMortgageEtobicoke.ca explains how a garden suite in Etobicoke can be paid for out of the house it stands behind. Toronto allows a second, separate home in the back yard of a house in its residential zones. If you’re 55 or older, that home can hold a grown child, a caregiver, or a tenant.
A reverse mortgage is one way to pay for it. There are no required monthly mortgage payments, and you keep living in the main house.
What Toronto allows on an Etobicoke lot
Toronto City Council adopted the garden suite rules on February 2, 2022. Garden suites are permitted in the R, RD, RS, RT and RM residential zones, one per lot, subject to the City’s performance standards (City of Toronto, Garden Suites).
Depending on the site, a garden suite can be two storeys, and it can have a basement. It can never be split off onto its own lot, so it stays part of your property.
Laneway suites and multiplexes
A laneway suite is a different option for a lot that backs onto a public laneway, and it has its own zoning and access rules. If your street has no public lane behind it, a garden suite is the one to look at.
Fourplexes are permitted city-wide, so an Etobicoke house can be turned into up to four units (City of Toronto, Multiplex Housing). Six-unit permissions approved in June 2025 apply only in Toronto and East York and Ward 23, not in Etobicoke’s three wards.
Why so many Etobicoke properties have room for one
Etobicoke has a lot of detached houses. In Ward 2, Etobicoke Centre, 48.2% of homes were single-detached houses in 2021, against 23.3% across Toronto (City of Toronto Ward Profiles, 2021 Census).
Some neighbourhoods are higher still. Alderwood was 60.6% single-detached and Princess-Rosethorn 85.4% (City of Toronto Neighbourhood Profiles, 2021).
In Long Branch, the City adopted Neighbourhood Character Guidelines in 2018 over the loss of cottage-style houses through lot severances (City of Toronto). A garden suite adds a home without splitting the lot.
What the City and the federal government take off the bill
The City exempts the second, third and fourth units on a residential lot from development charges. Garden suites are also exempt from parkland dedication fees (City of Toronto, Garden Suites).
Toronto’s Certified Plans Program offers garden suite designs already reviewed against the Ontario Building Code. With a pre-reviewed design, the plans don’t need a full Building Code review for each permit, though your lot still gets its own zoning review.
The federal Multigenerational Home Renovation Tax Credit can apply when the suite is built so a senior, or an adult eligible for the disability tax credit, can live with a relative. For the 2025 tax year it is 14.5% of up to $50,000 of costs, worth up to $7,250 per renovation (Canada Revenue Agency, line 45355).
Paying for the build with a reverse mortgage
The amount depends on your age and what the house is worth. For example, detached houses in Long Branch sold at a median of $1,200,000 from April to June 2026, across 17 sales (TRREB Community Report, Toronto West, Q2 2026). On that value, a 70-year-old could get up to about $634,000.
In Alderwood, the detached median was $1,032,000 across 25 sales. On that value, a 65-year-old could get up to about $522,000. These are ceilings, not quotes, and any mortgage still owing is paid off first out of the same money.
The money can come all at closing, or part now and the rest as the build goes on. Interest is charged only on money you actually take, though some lenders charge a fee or a different rate on later withdrawals.
Rates run 6.23% to 6.94% (advertised 5-year fixed rates across the four lenders, checked September 17, 2026). Interest is added to what you owe rather than paid monthly.
Home price growth often offsets some or all of the interest, so your equity isn’t certain to shrink.
You can never owe more than your home’s fair market value at the time the mortgage becomes due, as long as property taxes, insurance and upkeep are kept up. This is typically called the no negative equity guarantee.
Who lives in the suite, and who lives in the house
A garden suite can house a grown child, a grandchild, or a caregiver who helps you every day. The page on paying for home care in Etobicoke covers care costs in more detail.
For a reverse mortgage, the main house must stay your primary residence, where you live at least six months of the year. Each lender reviews a home with a second unit for itself. That is one more reason every lender gets compared for your property.
How the appraisal and the lenders see a second unit
An appraiser visits once the lender approves you, and the amount is set from the appraised value of the whole property. If the suite isn’t built yet, the appraisal is typically based on the property as it stands on the day of the visit, though practice varies by lender.
A HELOC or a refinance can also fund a build if your income supports the monthly payments. Richard Hopkins, Mortgage Broker, looks at those options alongside all four reverse mortgage lenders. You get a recommendation based on your situation, even if it’s not a reverse mortgage.
Before you sign with a builder
Arrange the money before you sign a building contract. From application to money in your account, a reverse mortgage usually takes about three to five weeks.
If you’re weighing a garden suite against selling, the guide to downsizing in Etobicoke shows what a move costs, including both land transfer taxes. The Etobicoke reverse mortgage calculator gives you a first figure for your own house.
What Richard handles for you
- A free estimate for your house and lot that doesn't affect your credit
- All four lenders checked for a lot with a second home on it
- Advice on taking the money all at once or some now and some later
- A look at whether a HELOC or refinance fits the build better
- Plain answers on the primary-residence rule once the suite is built
- Every lender compared and the recommendation sent to you by email
- Family who will live in the suite copied on emails, if you like
- A referral to an independent Ontario lawyer for the legal advice step
Etobicoke guides on this topic
- Downsizing in Etobicoke: Land Transfer Tax and Every Other Cost of Moving
- Long-Term Care in Etobicoke: The Homes, Wait Lists, 2026 Costs and Your House
Sources
Numbers last checked October 16, 2026.
- City of Toronto, Garden Suites (modified August 21, 2026)
- City of Toronto, Multiplex Housing (checked October 16, 2026)
- Canada Revenue Agency, Line 45355 Multigenerational home renovation tax credit (modified January 20, 2026; tax year 2025)
- City of Toronto, 2023 Ward Profiles (2021 Census): single-detached share of dwellings, Ward 2
- City of Toronto, 2021 Neighbourhood Profiles: Alderwood and Princess-Rosethorn
- City of Toronto, Long Branch Neighbourhood Character Guidelines (adopted January 31, 2018)
- Etobicoke Historical Society, Rexdale (volunteer heritage society)
- TRREB, Community Housing Market Report, Toronto West, 2026 Q2 (Long Branch and Alderwood detached medians)