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Best Mold Inspection & Testing near Aspen Hill, MD
These companies serve Aspen Hill from nearby bases in towns including Gaithersburg, Washington, DC and Rockville.
24 companies listed · 8 open 24/7 · 22 open weekends · 23 rated 4.5+ · 5 show a license
Data verified October 18, 2026
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Protect the Investment
- Point
- Honesty
- Home Inspection
“He utilized the latest technology to detect current and prior water damage, he noted several major issues in addition to providing me a detailed get well plan.”
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Masterpro Disaster Recovery LLC
- February
- Mold Remediation
- Basement
“The company is professional, courteous, extremely responsive and is careful of the personal property that is located in the area where they are servicing.”
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Atlas Home Inspection
- Electrical
- Knowledge
- Condo
“Everytime we found him to be well organized, technically quite savvy in the workflow starting from making a reservation, and a perfectionist when it comes to doing home inspections.”
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Ezgreen Air Duct and Dryer Vent Cleaning
- Afternoon
- Johnny Was
- Technician
“Despite the complexities of our basement layout and the intricate nature of the repair job, Johnny demonstrated outstanding problem-solving, patience, and skill.”
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Triangle Legacy Flood Restoration & Carpet Cleaning
- Night
- Morning
- Work
“I've recommend Triangle Legacy family members and friends and everyone have had the same report about their experience with The Guys at Triangle Legacy.”
Listed for homeowners in and around Aspen Hill, MD, these 24 companies test for mold and indoor air problems. Listings show what each one states about sampling, lab work and the environmental tests it offers, plus ratings and quotes from public reviews.
Area overview: Aspen Hill, MD
23 of the 24 companies on this page have a rating, from 4.6 to 5.0 across 5,938 reviews; 17 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (88%), responsiveness (83%) and quality (78%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "knowledge". 8 are open around the clock; 22 are open on Saturdays and 16 on Sundays. The services the companies on this page list most often on their websites are mold remediation (6), air duct cleaning (5), carpet cleaning (4), water damage restoration (4) and air quality testing (3). 5 show a license on their websites; 2 list staff certifications (ASHI and IICRC) and 5 have a BBB rating of A or A+. Domain records put 16 websites of the companies on this page at ten or more years old; the oldest dates from 2002. 9 offer emergency call-outs; 7 give free estimates; 6 are family- or locally-owned and 5 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Is one opinion enough on a damp problem?
Not when the first visit ends with a large removal quote attached. You have 24 companies on this page, so getting a second diagnosis is straightforward. Ask each one what it thinks the water source is. Two independent answers that match is the strongest signal you will get.
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Core Team Inc.
- Scope of Work
- Remediation
- Clean
“We would strongly recommend their services and attention to detail, if you were unfortunately to experience a water leak / penetration situation as we did.”
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Essential Inspection Services
- Learned
- Patient
- Buyers
“It is the first time I have seen an inspection but Inspector Felipe gives me a lot of confidence and it is clear that he has a lot of experience, I recommend him”
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Lodestar Inspection Services
- Educate
- Team
- Buyer
“We were on a tight deadline, and the staff worked diligently to get us scheduled a date that was convenient for us and supportive of busy work schedules.”
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Pro Spex Home & Commercial Inspections Inc.
- Regret
- Educate
- Drywall
“He inspected very thoroughly and showed me through Face Time of what all was going on and very thoroughly explained what issues there were and the effects of them.”
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Alhumd Inspections (Ahmed-Home Inspector)
- Drone
- Roof
- Patient
“His knowledge and professionalism were evident, and his respectful demeanor was appreciated, especially his consideration for cleanliness by wearing shoe covers indoors.”
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Proclean Air Duct & Carpet Cleaning
- Stairs
- Work
- Stains
“Responsive, excellent service, Gerardo was most professional and polite and did a very thorough job.”
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A Veterans Environmental Technology Services Inc.
- Communication
- Company
- Property
“The CEO had a level of integrity that I have only seen in my own parents who are also veterans, so I immediately knew I wanted to work with this company.”
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Top to Bottom Services
- Termite
- Condo
- Radon
“Their inspectors are thorough, knowledgeable and are great at explaining how everything works so that Buyers feel confident with their new home purchase.”
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UCM Upholstery Cleaning
- Furniture
- Brand
- Company
“He also handled the cleaning process meticulously, including cleanup after using the machine, and took care when moving equipment in and out of our house.”
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Indoor Green Solutions
- Communicative
- Company
- Team
“Some of the finishing work could have been done better and ensuring everything got done required some oversight on my part -- but Oren ensured it got done to my satisfaction.”
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Smart Home Inspects
- Results
- Home Inspection
- Questions
“He took the time to walk through our house and clearly explain his recommendations and observations which was invaluable to us as first time home buyers.”
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DC Water Damage Restoration
- Executed
- Skill
- Efficiency
“A sterling example of skill meeting kindness, their approach was nothing short of a masterclass in water damage restoration, blending efficiency with heartfelt concern.”
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Moldgone LLC
- Job
- Inspection
- Team
“The gentlemen did a great job, unfortunately it unearthed another problem we are going to need fixed sooner rather than later, but isn't that how most projects work”
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Superior Damage Restoration
- Happy
- Renovation
- Leak
“Sharon and his team went above and beyond helping me navigate the whole process of a water leak in my bathroom, beyond just the repairs and did a great job.”
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Roberts Radon
- Communication
- Test
- System
“Although not required, we decided to have a mitigation system installed for the buyer of our house by Roberts' installer (Reliable Radon) who matched our best quote and did a top-notch install.”
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RTS Environmental Services
- Report
- Work
- Home
“He was able to look through them and confirmed their was no risk and ran me through the various types of old insulation you'll run into in old houses as well.”
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Clean and Shine Restoration
- Competitive
- Price
- Job
“I recently needed to have two large, old family rugs cleaned; I wanted to donate them somewhere but they needed cleaning first, and a neighbor recommended Clean and Shine.”
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Tulip Carpet Cleaning
- Work
- Stains
- Couch
“They called me with reminders as requested and called me with a leeway time of the technician arriving.”
Why these companies made our list
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