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
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For SaleSt. Catharines
$799,900
97 Glendale Avenue
For SaleSt. Catharines
$485,000
74 Wiley Street
For SaleSt. Catharines
$759,900
126 Westland Street
For SaleSt. Catharines
$419,000
79 Carlton Street
For SaleSt. Catharines
$464,900
301 Carlton Street
For SaleSt. Catharines
$595,000
19 Thorndale Avenue
For SaleVideo tourSt. Catharines
$769,900
34 Densgrove Drive
For SaleSt. Catharines
$549,900
14 Andrea Drive
For SaleSt. Catharines
$639,000
359 Linwell Road
For SaleSt. Catharines
$729,900
36 Valerie Drive
For SaleVideo tourSt. Catharines
$739,000
38 Albany Drive
For SaleSt. Catharines
$429,999
102 Beech Street
For SaleVirtual tourSt. Catharines
$1,099,000
23 Riverview Boulevard
For SaleSt. Catharines
$368,900
26 Vine Street
For SaleSt. Catharines
$529,900
46 Andrea Drive
For SaleVirtual tourSt. Catharines
$1,898,800
105 Marsdale Drive
For SaleSt. Catharines
$535,000
85 Park Avenue
For SaleSt. Catharines
$549,000
1 Thorndale Avenue
For SaleSt. Catharines
$629,900
18 Jubilee Drive
For SaleVirtual tourSt. Catharines
$799,000
20 Consiglia Drive
For SaleSt. Catharines
$799,900
15 Black Friars Road
For SaleSt. Catharines
$999,900
1025 Pelham Road
For SaleVirtual tourSt. Catharines
$799,000
8 Fernwood Terrace
For SaleSt. Catharines
$605,000
8 Dunraven Avenue
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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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