St. Catharines • Niagara Region
Detached Homes with In-Law Suite for Sale in St. Catharines, Ontario
Explore detached 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 detached homes in St. Catharines
View all St. Catharines listings →
For SaleSt. Catharines
$689,900
551 Scott Street
For SaleSt. Catharines
$769,900
11 Richelieu Drive
For SaleSt. Catharines
$430,000
45 Powerview Avenue
For SaleSt. Catharines
$429,900
28 Grantham Avenue
For SaleSt. Catharines
$449,000
102 Beech Street
For SaleSt. Catharines
$655,000
127a Lakeshore Road
For SaleSt. Catharines
$449,900
63 Plymouth Avenue
For SaleSt. Catharines
$625,000
74 St. Patrick Street
For SaleSt. Catharines
$819,900
15 Black Friars Road
For SaleSt. Catharines
$519,900
10 Parkwood Drive
For SaleSt. Catharines
$619,900
18 Coventry Street
For SaleSt. Catharines
$599,900
79 Prince Charles Drive
For SaleSt. Catharines
$799,900
18 October Drive
For SaleSt. Catharines
$389,000
26 Vine Street
For SaleSt. Catharines
$599,900
26 Friars Court
For SaleSt. Catharines
$674,900
22 Dunblane Avenue
For SaleSt. Catharines
$599,000
36 Woodelm Drive
For SaleSt. Catharines
$919,900
4 Meteor Street
For SaleSt. Catharines
$639,000
190 Glendale Avenue
For SaleSt. Catharines
$724,900
64 Croydon Drive
For SaleSt. Catharines
$799,900
36 Valerie Drive
For SaleSt. Catharines
$975,000
255 Lakeshore Road
For SaleSt. Catharines
$829,990
20 Consiglia Drive
For SaleSt. Catharines
$769,900
33 Meadowbrook Crescent
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Frequently asked questions
How often is the list of Detached Homes with In-Law Suite in St. Catharines updated?
Listings refresh automatically every hour from the live MLS feed. The newest detached homes for sale in St. Catharines appear at the top of this page.
What's the price range for detached homes in St. Catharines?
Pricing depends on neighbourhood, age and lot, but the Davids & DeLaat team tracks every Niagara detached home sale week-over-week and can give you a real-time read on the St. Catharines market.
How do I find detached 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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