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
$398,000
428 Carlton Street
For SaleSt. Catharines
$559,000
1 Thorndale Avenue
For SaleSt. Catharines
$889,000
6 Cedar Court
For SaleSt. Catharines
$799,000
24 Juliana Crescent
For SaleSt. Catharines
$599,900
147 Village Road
For SaleSt. Catharines
$699,000
37 Coronation Boulevard
For SaleSt. Catharines
$595,000
83 Park Avenue
For SaleSt. Catharines
$589,999
19 Ormonde Avenue
For SaleSt. Catharines
$599,900
80 Pearce Avenue
For SaleSt. Catharines
$999,000
32b Dorothy Street
For SaleSt. Catharines
$569,900
6 Cedardale Avenue
For SaleSt. Catharines
$849,500
29 Johnston Street
For SaleSt. Catharines
$524,900
192a Ontario Street
For SaleSt. Catharines
$479,900
211 Grantham Avenue
For SaleSt. Catharines
$495,999
12 Vera Street
For SaleSt. Catharines
$659,000
127a Lakeshore Road
For SaleSt. Catharines
$625,000
79 Prince Charles Drive
For SaleSt. Catharines
$755,000
4 Tanner Circle
For SaleSt. Catharines
$799,900
17 Glenbarr Road
For SaleSt. Catharines
$629,900
519 Bunting Road
For SaleSt. Catharines
$697,900
116 Windward Street
For SaleSt. Catharines
$349,900
55 Merigold Street
For SaleSt. Catharines
$910,000
601a Geneva Street
For SaleSt. Catharines
$549,900
70 Ghent Street
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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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