Mold inspection in Mill Valley

Quickly locate hidden mold with a trained mold detection dog—no demo or lab testing

We provide fast, non-invasive inspections for homes, condos, and businesses throughout Mill Valley and surrounding areas.

A mold dog and his handler in front of a tree

How a mold dog inspection works

As mold grows, it releases small odor compounds that specially trained dogs—like our dog, Hee-do—can trace directly to the source.

Mold detection dog performing mold inspection in Mill Valley home

CERTIFIED MOLD DETECTION DOG

Our mold detection dog is professionally trained by the top mold dog trainer in the United States, Bill Whistine, and is regularly re-certified to ensure consistent accuracy.

About us

Spaces we inspect

Mill Valley homes often experience conditions that allow hidden moisture issues to develop, including:

  • Hillside construction and drainage challenges

  • Older homes with past leaks or renovations

  • Coastal humidity and fog exposure

  • Crawlspaces and subfloor moisture

  • Previously repaired water damage

A mold detection dog can rapidly scan the entire property and identify areas requiring closer evaluation.

When a mold dog inspection helps

  • 1. When you notice musty odors or suspect hidden moisture.

  • 2. After a water leak, flood, or plumbing issue to locate hidden mold.

  • 3. When ongoing health symptoms raise indoor air concerns at home or work.

  • 4. Before buying or selling a property, to uncover potential hidden mold issues.

  • 5. Before and after mold remediation, to help confirm the original odor source is gone.

  • 6. In commercial spaces or offices to ensure a safe and healthy environment.

Schedule a mold inspection in Mill Valley

To schedule a mold detection dog inspection, fill out the form, and we’ll get back to you soon.

We routinely serve neighborhoods including Tam Valley, Homestead Valley, Strawberry, Alto, and surrounding Mill Valley areas.

Tan mold detection dog wearing a vest and sitting on concrete flooring

Frequently asked questions

Still have questions? Take a look at the FAQ or reach out anytime.

  • Yes. We inspect apartments, condos, and tenant-occupied units throughout Mill Valley. Our mission is to help renters and property owners get accurate answers to their mold questions.

  • Most inspections take between one and three hours, depending on property size, layout, and accessibility.

  • No. You can remain on-site, though we may ask that pets, strong scents, or active cleaning be minimized so the dog can work effectively. We share more details on how to prepare for a successful inspection before our visit.

  • Yes. Renters often request inspections when persistent odors or moisture concerns arise. We regularly work with tenants, landlords, and property managers throughout Mill Valley to help identify potential mold sources.

  • Pricing depends on property size, layout, and accessibility. Most inspections are completed in a single visit, and we provide clear pricing before scheduling so you know what to expect.

  • A trained mold detection dog can quickly scan large areas and locate hidden odor sources that may be missed during visual inspections, air tests, and ERMIs alone. This helps narrow down problem areas before considering invasive testing or repairs.

  • Answer: Yes. Many Mill Valley homes are older or hillside properties that have experienced past leaks, renovations, or moisture issues. Even newer builds can develop hidden mold due to construction materials or poor build quality. Our inspections help locate hidden mold sources without opening walls or damaging finishes, giving you clear, non-invasive results.