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St. Catharines • Niagara Region

Homes with In-Law Suite for Sale in St. Catharines, Ontario

188 listings for sale matching your search

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

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37 Allan DriveFor Sale
4 Beds2 Baths700 ft²

St. Catharines

$628,000

37 Allan Drive

8 Dunraven AvenueFor Sale
5 Beds2 Baths700 ft²

St. Catharines

$614,999

8 Dunraven Avenue

36 Valerie DriveFor Sale
5 Beds4 Baths1,500 ft²

St. Catharines

$799,900

36 Valerie Drive

Welcome to 64 CROYDON DR!For Sale
3 Beds2 Baths700 ft²

St. Catharines

$724,900

64 Croydon Drive

663 Geneva StreetFor Sale
2 Beds2 Baths700 ft²

St. Catharines

$625,000

663 Geneva Street

20 CONSIGLIA DriveFor Sale
5 Beds4 Baths2,000 ft²

St. Catharines

$829,990

20 Consiglia Drive

255 Lakeshore RoadFor Sale
3 Beds2 Baths1,500 ft²

St. Catharines

$975,000

255 Lakeshore Road

412 Welland AvenueFor Sale
5 Beds3 Baths1,100 ft²

St. Catharines

$439,900

412 Welland Avenue

9 Sandy Cove DriveFor Sale
4 Beds1 Baths1,100 ft²

St. Catharines

$619,900

9 Sandy Cove Drive

33 Meadowbrook CrescentFor Sale
4 Beds2 Baths1,100 ft²

St. Catharines

$799,900

33 Meadowbrook Crescent

21 Consiglia DriveFor Sale
5 Beds2 Baths1,500 ft²

St. Catharines

$849,900

21 Consiglia Drive

23 The Cedars StreetFor Sale
4 Beds3 Baths1,500 ft²

St. Catharines

$1,649,000

23 The Cedars Street

374 PELHAM RoadFor Sale
4 Beds4 Baths2,000 ft²

St. Catharines

$980,000

374 Pelham Road

23 Kings Grant RoadFor Sale
5 Beds4 Baths1,500 ft²

St. Catharines

$899,999

23 Kings Grant Road

8 Dunraven AvenueFor Sale
5 Beds2 Baths700 ft²

St. Catharines

$614,999

8 Dunraven Avenue

4 Meteor StreetFor Sale
5 Beds4 Baths1,500 ft²

St. Catharines

$959,000

4 Meteor Street

33 West Farmington DriveFor Sale
6 Beds3 Baths1,100 ft²

St. Catharines

$1,075,000

33 West Farmington Drive

50 Henley DriveFor Sale
4 Beds5 Baths2,500 ft²

St. Catharines

$1,395,000

50 Henley Drive

83 Devon RoadFor Sale
3 Beds2 Baths1,100 ft²

St. Catharines

$669,000

83 Devon Road

116 Windward StreetFor Sale
3 Beds2 Baths1,100 ft²

St. Catharines

$659,900

116 Windward Street

105 Glenridge AvenueFor Sale
8 Beds3 Baths2,000 ft²

St. Catharines

$998,880

105 Glenridge Avenue

39 Cumming StreetFor Sale
4 Beds2 Baths1,500 ft²

St. Catharines

$499,999

39 Cumming Street

FRONT PHOTOFor Sale
4 Beds2 Baths700 ft²

St. Catharines

$399,000

178 Pelham Road

48 Nello StreetFor Sale
6 Beds3 Baths700 ft²

St. Catharines

$464,000

48 Nello Street

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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.

Niagara real estate insights

Read the latest from the Davids & DeLaat blog to learn more about buying in St. Catharines and across Niagara.

Talk to the #1 real estate team in St. Catharines

Have a question about homes for sale in St. Catharines? The Davids & DeLaat team works in the local market every day—and has for over 30 years—earning our reputation as the best real estate team in St. Catharines.

Tell us what type of properties you're looking for, and you will instantly get a personalized shortlist of St. Catharines properties based on your preferences. Plus, we'll notify you immediately every time a new listing hits the market that matches your criteria. Our real estate search feed is updated every 15 minutes, so you will be the first to know about the newest properties as soon as they hit the St. Catharines MLS.

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