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
$489,000
10 Fairburn Avenue
For SaleSt. Catharines
$999,900
4 Meteor Street
For SaleSt. Catharines
$1,649,999
164a Lakeshore Road
For SaleSt. Catharines
$529,900
211 Grantham Avenue
For SaleSt. Catharines
$649,000
20 Marmora Street
For SaleSt. Catharines
$779,000
4 Tanner Circle
For SaleSt. Catharines
$499,900
12 Vera Street
For SaleSt. Catharines
$519,000
1 Gladman Avenue
For SaleSt. Catharines
$749,500
45 Nickerson Avenue
For SaleSt. Catharines
$494,900
5 Thorncliff Drive
For SaleSt. Catharines
$599,000
9 Valley Road
For SaleSt. Catharines
$627,000
55 Burness Drive
For SaleSt. Catharines
$785,000
12 Stoney Brook Crescent
For SaleSt. Catharines
$549,800
11 Rockwood Avenue
For SaleSt. Catharines
$1,790,000
185 Riverview Boulevard
For SaleSt. Catharines
$749,000
603 Bunting Road
For SaleSt. Catharines
$509,900
20 Brackencrest Road
For SaleSt. Catharines
$1,799,900
164a Lakeshore Road
For SaleSt. Catharines
$489,900
32 Oxford Street
For SaleSt. Catharines
$674,900
49 Turner Crescent
For SaleSt. Catharines
$578,900
510 1/2 Niagara Street
For SaleSt. Catharines
$724,999
32 Old Oxford Road
For SaleSt. Catharines
$549,900
261 Vine Street
For SaleSt. Catharines
$759,900
68 Ziraldo Road
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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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