Property Tax Deferral vs Reverse Mortgage in Ontario: Which Protects Your Home?

Two Ways to Stay in Your Home — Very Different Costs

Ontario seniors who are house-rich but cash-poor typically hear about two options: defer your property taxes through the municipality, or take out a reverse mortgage to cover them (and other expenses). Both let you stay in your home without making monthly payments. But the mechanics, costs, and estate consequences are drastically different.

How Municipal Tax Deferral Works

Under Ontario's Municipal Act, municipalities can defer property taxes for qualifying low-income seniors. The deferred amount accumulates as a priority lien on the property — it gets paid first when the property sells or transfers, ahead of mortgages and other debts.

The terms vary by municipality. Toronto's low-income program charges 0% interest on deferred increases. Ottawa charges 5% simple interest annually. Other municipalities set their own rates.

Deferral is limited to the annual property tax amount (or just the tax increase, in Toronto's case). You can't borrow extra for living expenses. And you need to reapply every year — miss the renewal deadline and the deferred balance can convert to standard arrears at full penalty rates.

How a Reverse Mortgage Works

A reverse mortgage (the CHIP program from HomeEquity Bank is the main Canadian product) lets homeowners 55+ borrow against their home equity with no monthly payments required. Interest compounds on the outstanding balance and is repaid when you sell, move out, or die.

Reverse mortgage rates depend on the lender, product, and term, and can change. The following illustration assumes an 8% fixed rate compounded semi-annually. On a $100,000 balance, you would owe about $219,112 after 10 years and $324,340 after 15 years, before fees or payments.

The reverse mortgage lender registers a standard mortgage charge against the property, but it sits behind any municipal tax lien.

Side-by-Side Comparison

Illustrative balance if $4,000 of eligible tax costs were deferred each year for 15 years:

• Municipal deferral at 0% (Toronto): $60,000 total owing — just the deferred taxes
• Municipal deferral at 5% simple (Ottawa): $60,000 principal + about $21,000 interest = about $81,000
• Reverse mortgage at an illustrative 8% fixed rate compounded semi-annually (covering the same $4,000/year): about $109,970 total owing, because each year's $4,000 compounds separately from the day it's advanced

Under these example assumptions, the Toronto and Ottawa deferrals add less interest than the reverse-mortgage scenario. Other municipalities' rates and lender terms can change the comparison.

Flexibility: a reverse mortgage gives you cash for anything — renovations, health care, travel. Tax deferral only covers property taxes. If your cash flow problem extends beyond the tax bill, deferral alone won't solve it.

Qualification: tax deferral has local income and age requirements. Reverse mortgage eligibility depends on lender underwriting, including borrower age, property value, location, and other criteria.

The Estate Question

Both options reduce what your heirs receive. The difference is scale.

At the illustrative 8% rate compounded semi-annually, borrowing $4,000 per year for taxes plus $1,000 per month for living expenses would grow to about $450,000 after 15 years, before fees or payments. That is about 75% of an unchanged $600,000 home's starting value. By comparison, a $4,000-per-year deferral at Ottawa's 5% simple interest would accumulate about $81,000 over the same period, or 13.5% of that starting value.

Both must be repaid before beneficiaries receive anything. The municipal tax lien has priority over the reverse mortgage, so the municipality gets paid first in every case.

When to Choose Deferral

Deferral can fit when property taxes are the specific problem and you meet the local eligibility rules. At the Toronto and Ottawa rates in the example above, it adds less interest and keeps the balance tied to eligible tax costs. The main drawback is the annual renewal requirement and the risk of losing eligibility if your income rises above the threshold.

When a Reverse Mortgage Might Make Sense

A reverse mortgage covers ground that deferral can't: ongoing living expenses, home modifications for accessibility, health care costs, or helping an adult child with a down payment. If the property tax bill is just one piece of a broader cash flow shortage, deferral alone won't fix it.

Before using a reverse mortgage to cover property taxes, compare the lender's offer with the terms of the municipal deferral available to you. At the Toronto and Ottawa rates used above, deferral adds less interest over the example period.

Getting the Full Picture

The Ontario Property Tax Relief for Seniors guide includes a Municipal Deferral Decision Worksheet that models interest accumulation over 5, 10, and 15-year horizons for your specific municipality's rate. It helps you see the real equity impact before committing — and whether provincial credits (OSHPTG and OEPTC) might reduce your tax burden enough to avoid both deferral and a reverse mortgage entirely.

See more Ontario guides →