St. Catharines • Niagara Region
Homes with In-Law Suite for Sale in St. Catharines, Ontario
Explore homes featuring an in-law suite for sale in St. Catharines, Ontario. This page updates as new listings come on the market, so you can be confident you're seeing what's available right now.
St. Catharines is the largest city in Niagara — a full mix of downtown lofts, Port Dalhousie waterfront, and family neighbourhoods. If you'd like a deeper look — recent sale comparables, neighbourhood notes, or a private tour — the Davids & DeLaat team lives and works in Niagara every day and is happy to help.
Available homes in St. Catharines
View all St. Catharines listings →
For SaleSt. Catharines
$669,000
12 Andrea Drive
For SaleSt. Catharines
$499,000
20 Canterbury Drive
For SaleSt. Catharines
$599,000
31 Willcher Drive
For SaleSt. Catharines
$599,000
7 Brucedale Avenue
For SaleSt. Catharines
$799,000
178 Rykert Street
For SaleSt. Catharines
$549,000
3 Gardiner Place
For RentSt. Catharines
$1,595
5 Kilbourne Crescent
For SaleSt. Catharines
$449,900
17 Moote Street
For SaleSt. Catharines
$1,099,900
9 First Street Louth Street
For SaleSt. Catharines
$749,900
68 Ziraldo Road
For SaleSt. Catharines
$399,900
27 Gale Crescent
For SaleSt. Catharines
$685,000
11 Brucedale Avenue
For SaleSt. Catharines
$575,000
89 Stoney Brook Crescent
For SaleSt. Catharines
$875,000
123 South Drive
For SaleSt. Catharines
$789,000
126 Westland Street
For SaleSt. Catharines
$1,149,900
75 Yates Street
For SaleSt. Catharines
$500,000
211 Grantham Avenue
For SaleSt. Catharines
$549,000
39 Elma Street
For SaleSt. Catharines
$389,999
15 Concord Avenue
For SaleSt. Catharines
$617,000
55 Burness Drive
For SaleSt. Catharines
$999,000
10 Dundas Crescent
For SaleSt. Catharines
$599,990
24b Greenwood Avenue
For SaleSt. Catharines
$515,000
19 Water Street
For SaleSt. Catharines
$675,000
23 Northdale Drive
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Frequently asked questions
How often is the list of Homes with In-Law Suite in St. Catharines updated?
Listings refresh automatically every hour from the live MLS feed. The newest homes for sale in St. Catharines appear at the top of this page.
What's the price range for homes in St. Catharines?
Pricing depends on neighbourhood, age and lot, but the Davids & DeLaat team tracks every Niagara home sale week-over-week and can give you a real-time read on the St. Catharines market.
How do I find homes with in-law suite in St. Catharines?
We pre-filter MLS listings for an in-law suite so you don't have to scroll through hundreds of irrelevant results. Save the page or get email alerts the moment a new one comes up.
Who are the best realtors for St. Catharines?
Davids & DeLaat is a top-producing Niagara real estate team that has helped hundreds of families buy and sell across St. Catharines and the wider Niagara Region. Get in touch to talk with a local agent.
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Talk to a St. Catharines expert
Have a question about homes with in-law suite in st. catharines? The Davids & DeLaat team works deals across Niagara every week — tell us what you're looking for and we'll send a personalised shortlist within one business day.