
3 Bedroom Apartments for Rent in St Catharines, ON (120 Rentals)


70 Roehampton

378 Vine

165 Ontario

St. Lawrence Village

Regency Towers

Crown Tower Apartments

158 Ontario

Oakdale Heights

Linden Court
Renting with Roommates: Realistic Expectations for Shared Lease
Sharing a lease? Learn how to set clear expectations with your roommates on routines, bills, and cleaning to ensure a successful and peaceful shared living arrangement.

29 James St

33 Ontario St

23 Augusta Ave

90 Rochelle Dr

21 Centre St

25 Meadowbrook Crescent

43 Dunvegan Rd

43 Dunvegan Rd

16 Melbourne Ave

16 Melbourne Ave
Roommate Matching: Finding the Right Fit and Avoiding Pitfalls
When searching for a roommate, follow this list of essential steps and set clear expectations to create a solid foundation for a harmonious living situation.

54 Bogart St

54 Bogart St

27 St George St

27 St George St

21 Kirk St

21 Kirk St

21 Kirk St

21 Kirk St

32 Edmund St

32 Edmund St
Renting Smart: Lease Basics Every Renter Needs
Demystify Your Rental Lease. Learn the basics about renting, deposits, and tenant/landlord responsibilities. Rent smart and avoid surprises. | Renter University at ApartmentHomeLiving.com

16 Melbourne Ave

16 Melbourne Ave

16 Melbourne Ave

16 Melbourne Ave

16 Melbourne Ave

78 Haynes Ave

78 Haynes Ave

78 Haynes Ave

78 Haynes Ave

18 Bonavem Dr
How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide
Finding the right apartment starts with three things: location, cost, and amenities. Get the insider perspective from a real estate professional on how to nail all three.

21 Clearview Heights

21 Clearview Heights

51 Haynes Ave

51 Haynes Ave

6 Leeson St

6 Leeson St

49 Bendingroad Crescent

49 Bendingroad Crescent

65 Dorchester Blvd

65 Dorchester Blvd
The Art of the Rental Viewing: What to look for during a property tour
Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.
St Catharines, ON Local Guide

How much does it cost to rent an apartment in St Catharines?
| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| St Catharines Studio Apartments | $1,420 | $850 | $1,700 |
| St Catharines 1 Bedroom Apartments | $1,657 | $575 | $2,415 |
| St Catharines 2 Bedroom Apartments | $1,948 | $1,189 | $2,760 |
St Catharines 3 Bedroom Apartments | $2,252 | $1,850 | $2,524 |
| St Catharines 4 Bedroom Apartments | $1,099 | $1,099 | $1,099 |
Browse Top Apartments in St Catharines
See all Apartments in St CatharinesExplore St Catharines
St Catharines, ON Local Guide
- St Catharines Neighborhoods
- Nearby Cities
St Catharines 3 Bedroom Apartment Units with Current Availability by Neighborhood
Availability Confirmed As of: June 23, 2026There are currently 21 available 3 Bedroom apartment units from neighborhoods all over St Catharines, ON that range in price from $1,850 to $11,510. North District, Central District and South Louth Western Hills are the neighborhoods that currently have the most 3 Bedroom availability. Here is today's list of the top neighborhoods in St Catharines with the most available 3 Bedroom apartments:
| Neighborhood | Available Units | Median Price | Min Price |
|---|---|---|---|
| North District | 11 | $2,349 | $1,850 |
| Central District | 4 | $2,099 | $1,850 |
| South Louth Western Hills | 3 | $2,324 | $2,050 |
| East District | 2 | $2,095 | $2,050 |
| Marsdale | 1 | $6,930 | $2,350 |
Largest Available St Catharines 3 Bedroom Apartments
The largest available 3 Bedroom apartment unit in St Catharines, ON is found at Briarfield Estates - South in the North District neighborhood and is 1,824 square feet priced from $2,699. Crown Tower Apartments in the Central District neighborhood has the second largest 3 Bedroom, which is sized at 1,336 square feet and currently listed start at $2,350. Here is today’s list of the largest available 3 Bedroom units in St Catharines:
| Apartment Listing | Model Name | Square Footage | Priced From |
|---|---|---|---|
| Briarfield Estates - South | 3 Bedroom | 1,824 Sq Ft | $2,699 |
| Crown Tower Apartments | 3 Bedroom | 1,336 Sq Ft | $2,350 |
| Lakeshore Valley | 3 Bedroom | 1,200 Sq Ft | $2,499 |
| 165 Ontario | 165 Ontario - Plan B | 1,180 Sq Ft | $2,399 |
| 378 Vine | 378 Vine - Plan E | 1,122 Sq Ft | $2,399 |
| St. Lawrence Village | 3 bed 1 bath B 49 Leaside | 1,087 Sq Ft | $2,195 |
| 375 Scott St | 3 bedroom | 1,000 Sq Ft | $2,799 |
| 614 Lake | 614 Lake St - Plan B | 960 Sq Ft | $2,349 |
| 99 Church St | 3 Bedroom | 900 Sq Ft | $2,399 |
Cheapest Available St Catharines 3 Bedroom Apartments
As of June 23, 2026 the lowest priced 3 Bedroom apartment unit in St Catharines, ON is the 3 Bed Promotional Price For First 8 Months* Model starting from $2,099 at 165 Ontario in the Central District neighborhood. The second most affordable St Catharines 3 Bedroom is the 3 Bed Promotional Price* Model at 378 Vine starting at $2,099 in the North District neighborhood. The average price for all 3 Bedroom apartments in St Catharines is currently $2,252. Here is today’s list of the cheapest available 3 Bedroom options in St Catharines:
| Apartment Listing | Model Name | Priced From |
|---|---|---|
| 165 Ontario | 3 Bed Promotional Price For First 8 Months* | $2,099 |
| 378 Vine | 3 Bed Promotional Price* | $2,099 |
| 614 Lake | 3 Bed Promotional Price For First 7 Months* | $2,149 |
| St. Lawrence Village | 3 bed 1 bath B 49 Leaside | $2,195 |
| Crown Tower Apartments | 3 Bedroom | $2,350 |
| 99 Church St | 3 Bedroom | $2,399 |
| Lakeshore Valley | 3 Bedroom | $2,499 |
| Briarfield Estates - South | 3 Bedroom | $2,699 |
| 375 Scott St | 3 bedroom | $2,799 |
Real Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University
From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.
Read ArticleQuick Rent Budget Calculator
How much rent can you afford?
The common "Rule of Thumb" is that rent should be no more than 30% of your income. How much is that? Enter your monthly income and click "Calculate My Budget" to find out.
Remember the 3 Rules of Real Estate:Location, Location, Location!
Explore St Catharines, ON Rentals by Map
See the most popular apartments and homes in St Catharines, ON
Frequently Asked Questions about 3 Bedroom St Catharines Apartments
What is the Cheapest apartment in St Catharines with 3 Bedroom?
Currently the most affordable 3 Bedroom in St Catharines is at 165 Ontario listed at $2,099.
How much is the average rent for a 3 Bedroom St Catharines Apartment?
The average rent for a 3 Bedroom Apartment in St Catharines is $2,252.
What is the largest available 3 Bedroom St Catharines Apartment for rent?
Today's apartment with the most square footage in St Catharines is a 1,824 square feet unit starting from $2,699 at Briarfield Estates - South.
What is the average size for St Catharines 3 Bedroom Apartments for rent?
The average size for a 3 Bedroom rental in St Catharines is currently 0 sq ft.
Expert Rental Resources
The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.
Articles, How-To's, and Tips

Apartment Occupancy Rates: Renter Attraction vs Renter Retention
Written by: Robin Stewart
There’s a tenet in marketing about client or customer attraction and retention. Studies and data have consistently shown it costs less to keep a current customer than to attract a new one.

How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide
Written by: Robin Stewart
Evaluating rental properties for clients draws many parallels to house-hunting. Whether an apartment, loft, townhouse, or other rental, finding the right place means finding “home” for your client.

Pet-Friendly Renting: Everything You Need to Know Before You Move
Written by: Christine Leonard, Esq.
For so many of us, pets are the best companions and a big part of our lives. For this reason, a pet-friendly house or apartment is often a very important - and nonnegotiable - part of a move.

Creative Ways Developers Reimagine Retail Spaces as Residential Units
Written by: Robin Stewart
Adaptive reuse is when a commercial property is converted and repurposed. The real estate industry has embraced a growing number of these projects.