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
$1,649,000
23 The Cedars Street
For SaleSt. Catharines
$980,000
374 Pelham Road
For SaleSt. Catharines
$649,900
83 Devon Road
For SaleSt. Catharines
$1,075,000
33 West Farmington Drive
For SaleSt. Catharines
$399,000
178 Pelham Road
For SaleSt. Catharines
$1,395,000
50 Henley Drive
For SaleSt. Catharines
$599,900
147 Village Road
For SaleSt. Catharines
$679,900
37 Coronation Boulevard
For SaleSt. Catharines
$889,000
6 Cedar Court
For SaleSt. Catharines
$589,999
19 Ormonde Avenue
For SaleSt. Catharines
$599,900
80 Pearce Avenue
For SaleSt. Catharines
$559,000
1 Thorndale Avenue
For SaleSt. Catharines
$549,900
6 Cedardale Avenue
For SaleSt. Catharines
$495,999
12 Vera Street
For SaleSt. Catharines
$749,000
12 Stoney Brook Crescent
For SaleSt. Catharines
$349,900
27 Gale Crescent
For SaleSt. Catharines
$1,099,900
9 First Street Louth Street
For SaleSt. Catharines
$1,149,900
75 Yates Street
For SaleSt. Catharines
$799,900
9 Amberwood Court
For SaleSt. Catharines
$839,900
14 Nicholas Drive
For SaleSt. Catharines
$699,900
13 Rene Lane
For SaleSt. Catharines
$1,399,900
720 Lake Street
For SaleSt. Catharines
$599,000
12 Valley Road
For SaleSt. Catharines
$519,900
38 Roehampton Drive
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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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