JHS Crawlspace Specialist LLC

What They Do

Water DamageMoldMold TestingOdor

• Crawlspace Cleaning
• Vapor Barrier Installation
• Dehumidifier Installs
• CL100 Prep
• Odor Control / Moisture Control
• Encapsulation and Crawlspace Repair
• Moisture Control
• Annual Maintenance Service
• Crawlspace Encapsulation
• Free Crawlspace Inspections

In Their Own Words

JHS Crawlspace Specialist provides crawlspace encapsulation, vapor barrier installation, dehumidifier installation, and moisture & odor control in Spartanburg, Greenville, and surrounding Upstate South Carolina areas. We offer free crawlspace inspections with honest, no-pressure quotes. Our inspections check moisture levels, mold, air quality, vapor barriers, vents, and overall crawlspace conditions. If your home has musty odors, high humidity, or sagging floors, your crawlspace could be the problem. We help homeowners, realtors, and inspectors prepare for CL100 inspections by keeping crawlspaces clean, dry, and properly controlled. Our goal is simple fix the problem the right way and protect your home from the ground up.

Written by the business on its public profile. We have not verified these claims.

Before You Call JHS Crawlspace Specialist LLC

1. Do you take moisture readings every day and will you give me the drying log?
2. Are your technicians certified in water damage restoration?
3. Where do you think the moisture is coming from, and who fixes it?
4. Will you set up containment and negative air, and how will you protect the rest of the home?
5. Do you also do remediation? If so, who checks your work?

Ask for a South Carolina contractor license and look it up with the state Department of Labor, Licensing and Regulation. Also ask for proof of insurance and industry certification for the restoration crew.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• DIY with careWhat to Do in the First 24 Hours After Water DamageAn hour by hour plan for the first day after water damage. Make it safe, stop the source, document, remove water and start drying before mold can start.
• DIY with careSafe DIY Mold Cleanup for Areas Under 10 Square FeetA step by step method to clean up mold under 10 square feet safely, with the gear to buy, what to throw away, why bleach is not the default, and when to stop.
• Call a proMold Testing, When It Is Worth It and How to Read a Lab ReportWhen a mold test is worth paying for, which kind to ask for, why store kits mislead, and how to read spore counts, outdoor controls and a lab report yourself.
• DIY with careGetting Smoke Odor Out of a Home, and Why Ozone Is RiskyHow to remove smoke odor from a home for good. Clean the source, wash fabrics, fix the HVAC, seal what cannot be cleaned, and why ozone generators are risky.