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Find Hidden Mold. Fast. Non-Invasive.

The gold standard in canine mold detection — now serving Montana.

Rex – Certified Mold Detection Dog • Serving Montana & Nearby Areas

Montana Mold Dogs delivers faster, smarter, and completely non-destructive mold detection. Our elite detection dog Rex is fully certified and ready to sniff out hidden mold in your home or business.

No walls opened. No guesswork. Just dog-driven precision.

Book your inspection today. (484) 788-8582

Why Montana Homeowners & Businesses Choose Rex

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Ultra-Accurate Detection

Rex’s nose is 100,000× more sensitive than any human or electronic device. He finds mold hidden behind walls, under floors, and in vents.

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Fast & Non-Invasive

Most homes are fully inspected in just a few hours. No demolition, no mess — just clear results you can act on immediately.

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Professionally Certified

Rex is a certified working detection dog. You get professional-grade results you can act on with confidence.

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Montana Proud

Based in Dillon and serving Montana & nearby areas — Bozeman, Missoula, Billings, Helena, and beyond — with transparent pricing.

Meet Rex — Montana’s Premier Mold Detection Dog

Rex, our certified mold detection German Shepherd

Rex is a working-line German Shepherd and a fully certified mold detection dog.

With unmatched drive and precision, Rex locates mold that traditional methods miss — quickly, quietly, and without damaging your property.

  • ✅ Certified & field-ready
  • ✅ Professionally groomed before every inspection
  • ✅ Works in homes, businesses, and new construction
  • ✅ Pairs perfectly with lab testing and remediation

Book Rex for Your Property →

Follow Rex’s adventures & finds: @rexthemolddog & @mt_mold_dogs

How Canine Mold Detection Works

  1. Schedule your inspection — tell us about your property and any known concerns.
  2. Rex arrives — clean, focused, and ready to work.
  3. The sweep begins — Rex systematically alerts on hidden mold sources without any invasive work.
  4. You get clear findings — so you know exactly where to focus next steps.

Ready to Sniff Out Hidden Mold?

Inspections available now across Montana. Get your personalized quote today.

View Scheduling Options

Serving all of Montana and surrounding areas
Book your inspection today: (484) 788-8582