Every week we pick a few of the best investment properties available right now in Hamilton, Burlington, Niagara and the towns around them, run the numbers, and say why we like each one. This week we've got 3 of them.
- Welland duplex, both units already rented
- Durand fourplex, down $400,000 since last year
- Fourplex with newer wiring, plumbing and windows (St. Catharines)
Welland duplex, both units already rented
Watt Avenue, Welland · $589,900 · 2 units
No photos on this one. It is not listed, so you are hearing about it first.
- Rents today: $3,545 a month.
- About 7.2% gross on the asking price.
Both units have tenants paying rent, so you are not starting from empty. The landlord pays hydro, gas and water here, so get the utility bills before you run your numbers. If those bills hold up, this is a Welland rental you can buy and keep running from day one.
Durand fourplex, down $400,000 since last year
188-190 Caroline Street, Hamilton · $1,099,000 · 4 units · 7 bed · 5 bath · taxes $7,785 a year · 100+ years old

- Down $100,000 from $1,199,000 when it listed.
- Was asking $1,499,000 in 2025. Down $400,000 since then.
- Rent, our estimate: about $7,400 a month on today's asking rents nearby.
- About 8.1% gross on the asking price.
The expensive work is behind it. The parapet walls and chimney were rebuilt and the water line was upgraded to copper. All four tenants pay their own hydro, and there is parking for four cars at the back. With one 3-bedroom, one 2-bedroom and two 1-bedrooms, no single move-out empties your income, and that makes it a long hold you can walk to Locke Street from.
See this listing, with every photo

Fourplex with newer wiring, plumbing and windows
108 Queenston Street, St. Catharines · $599,900 · 4 units · 6 bed · 4 bath · taxes $3,709 a year

- Down $50,000 from $649,900 when it listed.
- Was asking $699,900 in 2025. Down $100,000 since then.
- Rents in the listing: $4,930 a month.
- About 9.9% gross on the asking price.
Every unit is self-contained with its own entrance, and the units are separately metered. The wiring, plumbing, windows and siding have been updated, and some units have their own laundry. It is $100,000 under last year's asking, a fully rented fourplex in central St. Catharines where the big systems are already done.
See this listing, with every photo

Split a St. Catharines house, get 62% more rent
Asking rents, last six months: in St. Catharines a 1-bedroom plus a 2-bedroom bring $3,800 a month, against $2,350 for one 3-bedroom house. That gap only counts for you if the second unit is legal, so check that first on any house you look at.
Want to talk about one of these? Message us and your agent will reach out. If you got this week's email, just reply with the one you want to see.
Prices and details come from the listing and can change. Rent figures are what the listing says or our estimate from nearby asking rents. Not financial advice.
