DAVIDS&DeLAAT

St. Catharines • Niagara Region

Semi-Detached Homes with In-Law Suite (Under $500K) for Sale in St. Catharines, Ontario

7 active listings matching your search

Explore semi-detached homes featuring an in-law suite priced under $500k 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 semi-detached homes in St. Catharines

View all St. Catharines listings →

Related St. Catharines searches

Same search in nearby cities

Frequently asked questions

How often is the list of Semi-Detached Homes with In-Law Suite Under $500K in St. Catharines updated?

Listings refresh automatically every hour from the live MLS feed. The newest semi-detached homes for sale in St. Catharines appear at the top of this page.

What does the Under $500K price range typically get you in St. Catharines?

Pricing in St. Catharines varies by neighbourhood, age and lot size, but at Under $500K you can usually expect semi-detached homes that fit a mainstream family budget. Reach out for a custom shortlist.

How do I find semi-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.

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 a St. Catharines expert

Have a question about semi-detached homes with in-law suite under $500k in st. catharines? The Davids & DeLaat team works deals across Niagara every week — tell us what you're looking for and we'll send a personalised shortlist within one business day.

By submitting, you consent to be contacted in response to your inquiry. See our Privacy Policy.