Best Real Estate Agents in Cornwall, ON
21 firms listed · all 21 in Cornwall · 1 open 24/7 · 15 open weekends · 16 rated 4.5+
Data verified October 21, 2026
Exit Realty Seaway
Diego Delgado
Troy Vaillancourt
Team Bissonnette
The Kovinich Group
The 21 firms listed for Cornwall, ON are brokerages and agents. Their licence claims, the neighbourhoods they name and the property types they handle come from their own websites, with ratings and quotes taken from public reviews.

Area overview: Cornwall, ON
All 21 firms we list here are in Cornwall itself. 18 of the firms on this page have a rating, from 4.0 to 5.0 across 301 reviews; 2 have 50 or more reviews and 16 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (79%) and quality (62%). 1 is open around the clock; 15 are open on Saturdays and 13 on Sundays. Domain records put 5 websites of the firms on this page at ten or more years old; the oldest dates from 1997. 1 offers emergency call-outs; 1 offers financing or payment plans and 1 gives free estimates. We have a website on file for 19 of the firms on this page; 16 publish a contact page; 10 list a public email and 1 takes bookings online. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book.
How many listed agents publish a website?
A website is listed for 19 of the 21 firms here. Use it to check recent sold listings rather than the profile photo. Look for the brokerage name and licence details, which have to appear on advertising, and for properties sold in the neighbourhoods you care about.