24/7 · Live phone (314) 947-3419

Gateway/Tools

Tools.

Three things, free, decision-quality. Skip the lead-gen quizzes, skip the sales call, get the answer in under a minute.

Call (314) 947-3419

Three tools

Free, fast,
St. Louis-specific.

Tool · 30 seconds

Mold decision tool

Three questions to decide whether you need professional mold testing, can skip testing and go straight to remediation, or should wait and monitor.

Use the tool

Tool · carrier-specific

Claim documentation checklist

Pick your insurer and cause of loss; the checklist adjusts to match what that carrier asks for first. Bring this list to your adjuster call.

Use the tool

Guides · 10 carriers

Insurance carrier guides

How we work with each major US homeowners insurer: State Farm, Allstate, USAA, Liberty Mutual, Farmers, Travelers, Nationwide, Progressive, American Family, Erie.

Browse the guides

Tools by situation

Skip the tool, jump to the work.

The tools above are for thinking it through. Below: where to go when you’re ready for a quote, a crew, or carrier-specific paperwork.

Active water event

Mold concern

Claim paperwork

Where you are

Already in it?

Skip the tools. Call us. Live phone, twenty-four seven.

Call (314) 947-3419

Serving the entire Greater St. Louis metro, twenty-four seven.

24/7 emergency

(314) 947-3419

Service area

Greater St. Louis Metro
(MO & surrounding)

Sister company

AirSense Environmental, indoor air quality & radon mitigation

© 2026 Gateway Water and Mold. All rights reserved.

Carrier names and trademarks referenced on this site are the property of their respective owners. Gateway Water and Mold is not affiliated with, endorsed by, or a preferred contractor for any insurance carrier. We work alongside policyholders and their carriers on restoration claims; policyholders retain the right to choose their own restoration contractor.