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
$699,900
10 Michelle Drive
For SaleSt. Catharines
$599,900
190 Glendale Avenue
For SaleVirtual tourSt. Catharines
$584,900
89 Stoney Brook Crescent
For SaleVideo tourSt. Catharines
$619,000
32 Crestcombe Road
For SaleVirtual tourSt. Catharines
$1,069,000
13 Lantana Circle
For SaleSt. Catharines
$799,900
12 Bayshore Crescent
For SaleSt. Catharines
$719,900
11 Richelieu Drive
For SaleSt. Catharines
$639,900
551 Scott Street
For SaleSt. Catharines
$549,900
12 Roseland Avenue
For SaleVirtual tourSt. Catharines
$499,900
94 Jacobson Avenue
For SaleVideo tourSt. Catharines
$635,000
17 Winston Road
For SaleVirtual tourSt. Catharines
$1,649,000
106 Dalhousie Avenue
For SaleVirtual tourSt. Catharines
$579,900
529 Carlton Street
For SaleSt. Catharines
$749,000
105 Elma Street
For SaleSt. Catharines
$420,000
119 Pelham Road
For SaleVirtual tourSt. Catharines
$999,900
75 Yates Street
For SaleSt. Catharines
$529,900
476 Scott Street
For SaleSt. Catharines
$749,900
2 Glenbrae Avenue
For SaleVirtual tourSt. Catharines
$659,000
82 Regent Drive
For SaleSt. Catharines
$450,000
214 Niagara Street
For SaleVirtual tourSt. Catharines
$879,900
14 Fairlawn Court
For SaleVirtual tourSt. Catharines
$579,900
34 Grantham Avenue
For SaleSt. Catharines
$614,900
110 St. David'S Road
For SaleSt. Catharines
$579,000
25 Elm Ridge 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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