Dallas Posthumus Re/Max Realtor
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24 firms listed · 16 in St. Thomas · 9 open 24/7 · 15 open weekends · 19 rated 4.5+
Data verified October 16, 2026
The 24 firms listed for St. Thomas, 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.

Of the 24 firms we list here, 16 are in St. Thomas itself and 8 come from London (7, 24 km) and Strathroy (1, 22 km). 21 of the firms on this page have a rating, from 3.6 to 5.0 across 769 reviews; 8 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (89%) and quality (64%). The topics that come up most in reviews of the firms on this page are "communication", "knowledge" and "price". 9 are open around the clock and 15 are open on weekends. 2 show a licence on their websites. 10 have ten or more years of experience, the longest 29 years. 2 offer financing and 1 lists coupons or special offers. We have a website on file for all 24 of the firms on this page; 20 publish a contact page; 16 list a public email and 2 take bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book.
St. Thomas is the base for 16 of the 24 firms shown; the others come from other towns within 30 km. Brokerages cover wide territories, so an office elsewhere is normal. What matters is whether the agent has sold in your neighbourhood, so ask for those addresses.