Ontario Commercial Real Estate

Find commercial real estate in Mississauga, the GTA and Niagara

Every listing on this site is commercial: retail, office, industrial, land, businesses for sale and investment properties, drawn from the MLS® System.

Listings updated daily. No registration required to browse.

Recently listed

View all listings

The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose.

Listing information is deemed reliable but is not guaranteed accurate by PropTx. Listing data © 2026 PropTx Innovations Inc. All rights reserved. This website does not provide full access to the MLS® System.

Ontario commercial markets

Mississauga

One of Canada's most active commercial markets. Office corridors along Hurontario, major industrial nodes near the airport, and strong retail demand throughout.

Browse Mississauga listings

Greater Toronto Area

The core of Ontario commercial activity. From Toronto office space to suburban retail plazas and industrial warehousing across Peel, York, Durham and Halton.

Browse Greater Toronto Area listings

Niagara Region

A growing market with strong tourism, food and beverage, and light industrial activity across St. Catharines, Niagara Falls, Welland and the broader region.

Browse Niagara Region listings

Commercial only. No residential noise.

Every listing is commercial

You will never scroll past a condo, a house or a rental apartment here. Source Commercial shows commercial property only, the way a commercial broker searches.

Listings from the MLS® System

Commercial listings are provided through an authorized PropTx IDX data agreement and refreshed daily, with a commercial only filter.

Built by a broker

This site was built by Roy Houshmand, an Ontario commercial broker with over 25 years of experience across the GTA, Mississauga and the Niagara Region.

Commercial 101

Not sure where to start with commercial real estate? These plain language guides cover buying, leasing, investing and the terminology you need to know.

Buying Commercial Property in Ontario

Due diligence, financing, closing costs and what to expect at every step of a commercial purchase.

Read the guide

Leasing Commercial Space

Net versus gross leases, TMI, tenant improvements and what to watch for before you sign.

Read the guide

Buying a Business in Ontario

Asset versus share sales, the NDA, financial statement review and how the closing process works.

Read the guide

Investing in Commercial Real Estate

Cap rates, how to evaluate a multi unit property, financing options and what separates a good deal from a bad one.

Read the guide

Free Seminars and Weekly Newsletter

Learn the commercial market, one Tuesday at a time

Join Commercial Real Estate Weekly for a short market note, a Commercial 101 tip and upcoming seminar dates every Tuesday morning. Or come to a free buyer or seller seminar, in person in Mississauga or online.

See upcoming seminars

Built by a broker, not a tech company.

Roy Houshmand is a broker with iCloud Realty Ltd., Brokerage and the Executive Director of its Commercial Division. He has been active in Ontario real estate for over 25 years, working across the GTA, Mississauga and the Niagara Region, and he teaches commercial real estate to new agents entering the profession.