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Find Mold & toxic material testers in Katonah

Avatar for Clawback, Inc.

Clawback, Inc.

4.96(
238
)
•Approved Pro

Clawback, Inc.

4.96(
238
)
•Approved Pro
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
10 years of experience

Clawback is an environmental assessment company. We inspect and test for mold, asbestos, air, water and radon gas. Good to know: *The average inspection time takes between 30 and 45 minutes to complete. Radon testing requires a drop off of testing equipment and 48hrs to complete. *For convenience on the day of your inspection and prior to our appointment I will provide you with an on the way call / text to confirm my ETA. *Your mold assessment will include a thorough inspection for mold and moisture throughout your home from the basement to the attic. All fee's for inspection service(s) are as follows: Mold Inspection: $350.00 includes inspecting your home for mold and moisture. Mold sampling fee is $75.00 per sample. Asbestos Sampling: $350.00 + $95-$120 per sample. Radon Testing $250.00, Air Service Testing $500.00, (includes two samples). Water Testing $275.00. **All fee's for assessments and testing are due at time of inspection.

"we are so happy to have found Clawback, and Gary was truly a Gem! He call me promptly came out to our home the same day, explained the process, informed us of turnaround time and answered all our many we had upon review of final testing results. He has a great sense of humor and through it all his professionalism and over 20 years of experience is worth the price. We would definitely hire this pro again!"

sharon r on June 2025

Clawback is an environmental assessment company. We inspect and test for mold, asbestos, air, water and radon gas. Good to know: *The average inspection time takes between 30 and 45 minutes to complete. Radon testing requires a drop off of testing equipment and 48hrs to complete. *For convenience on the day of your inspection and prior to our appointment I will provide you with an on the way call / text to confirm my ETA. *Your mold assessment will include a thorough inspection for mold and moisture throughout your home from the basement to the attic. All fee's for inspection service(s) are as follows: Mold Inspection: $350.00 includes inspecting your home for mold and moisture. Mold sampling fee is $75.00 per sample. Asbestos Sampling: $350.00 + $95-$120 per sample. Radon Testing $250.00, Air Service Testing $500.00, (includes two samples). Water Testing $275.00. **All fee's for assessments and testing are due at time of inspection.

"we are so happy to have found Clawback, and Gary was truly a Gem! He call me promptly came out to our home the same day, explained the process, informed us of turnaround time and answered all our many we had upon review of final testing results. He has a great sense of humor and through it all his professionalism and over 20 years of experience is worth the price. We would definitely hire this pro again!"

sharon r on June 2025

Avatar for Certified Mold Removal Inc.

Certified Mold Removal Inc.

3.93(
46
)
•Approved Pro

Certified Mold Removal Inc.

3.93(
46
)
•Approved Pro
Customers say: Super punctual
38 local quotes requested
31 years of experience

Certified Mold Removal has been providing expert licensed and certified mold inspection, testing, removal and remediation services Since 1995! Not All Mold is Dangerous! Don't Let Other Companies Scare You! Call now and we can have a licensed and certified mold inspector at your home today!

"I paid this company $600 to test the air in my detached garage. The results showed Cladosporium, which many professionals told me is extremely common. What happened next was one of the most uncomfortable experiences I’ve ever had with a home-service company. They sent me a remediation proposal for over $45,000, and in my personal opinion the scope, tone, and sheer intensity of the warnings felt completely disproportionate to the situation. The estimate was filled with pages of dramatic health claims that, to me, came across as fear tactics rather than professional guidance. When I asked questions, the owner was extremely rude and dismissive on the phone. The whole thing felt pushy and uncomfortable. After leaving an honest review, things escalated in a way that shocked me. The owner contacted me and offered a refund only if I signed a notarized disclaimer that he drafted. I personally found that very unusual, and I chose not to sign anything. What concerned me even more was what happened next: after I declined to sign the document, a negative review suddenly appeared online about my wife’s business — at our home address — claiming she had done work for him and stolen $600 from him. In my experience, this was completely untrue. My wife has never worked for him in any capacity. In my personal opinion, it felt retaliatory and deeply unprofessional. I ended up getting several second opinions from other mold professionals, all of whom felt the quote I received was excessive for what was found. Based on my experience with the customer service, the tone of the estimate, and the way things unfolded afterward, I would strongly recommend that other homeowners get multiple quotes before agreeing to anything. In my personal view, the way this situation was handled was alarming, unprofessional, and not in the best interest of the customer."

Andy S on December 2025

Certified Mold Removal has been providing expert licensed and certified mold inspection, testing, removal and remediation services Since 1995! Not All Mold is Dangerous! Don't Let Other Companies Scare You! Call now and we can have a licensed and certified mold inspector at your home today!

"I paid this company $600 to test the air in my detached garage. The results showed Cladosporium, which many professionals told me is extremely common. What happened next was one of the most uncomfortable experiences I’ve ever had with a home-service company. They sent me a remediation proposal for over $45,000, and in my personal opinion the scope, tone, and sheer intensity of the warnings felt completely disproportionate to the situation. The estimate was filled with pages of dramatic health claims that, to me, came across as fear tactics rather than professional guidance. When I asked questions, the owner was extremely rude and dismissive on the phone. The whole thing felt pushy and uncomfortable. After leaving an honest review, things escalated in a way that shocked me. The owner contacted me and offered a refund only if I signed a notarized disclaimer that he drafted. I personally found that very unusual, and I chose not to sign anything. What concerned me even more was what happened next: after I declined to sign the document, a negative review suddenly appeared online about my wife’s business — at our home address — claiming she had done work for him and stolen $600 from him. In my experience, this was completely untrue. My wife has never worked for him in any capacity. In my personal opinion, it felt retaliatory and deeply unprofessional. I ended up getting several second opinions from other mold professionals, all of whom felt the quote I received was excessive for what was found. Based on my experience with the customer service, the tone of the estimate, and the way things unfolded afterward, I would strongly recommend that other homeowners get multiple quotes before agreeing to anything. In my personal view, the way this situation was handled was alarming, unprofessional, and not in the best interest of the customer."

Andy S on December 2025

Avatar for Expediant Environmental Solutions, LLC

Expediant Environmental Solutions, LLC

4.35(
362
)
•Approved Pro

Expediant Environmental Solutions, LLC

4.35(
362
)
•Approved Pro
Customers say: True professional
287 local quotes requested
31 years of experience

Expediant Environmental is committed to excellence and continues to be an outstanding business with over 25 years of experience. Our company prides itself on an outstanding record of quality service. We specialize in your whole home as a system approach. So when it comes to mold removal, insulation, or waterproofing we never forget to make sure it does not have a negative effect on another function of your home. Wet Crawl Space? Expediant offers CleanSpace encapsulation system to control moisture and dampness in the crawl space. We are an authorized Contractor Nation installer. Radon problem? That's no problem for us. Got bed bugs or rodents? We can make them disappear! Expediant offers a wide variety of services to meet all your pest control needs from preventative maintenance to treatment of active problems. See our website! www.Expedianthomesolutions.com

"Highly recommend, great work! "

Bill P on October 2025

Expediant Environmental is committed to excellence and continues to be an outstanding business with over 25 years of experience. Our company prides itself on an outstanding record of quality service. We specialize in your whole home as a system approach. So when it comes to mold removal, insulation, or waterproofing we never forget to make sure it does not have a negative effect on another function of your home. Wet Crawl Space? Expediant offers CleanSpace encapsulation system to control moisture and dampness in the crawl space. We are an authorized Contractor Nation installer. Radon problem? That's no problem for us. Got bed bugs or rodents? We can make them disappear! Expediant offers a wide variety of services to meet all your pest control needs from preventative maintenance to treatment of active problems. See our website! www.Expedianthomesolutions.com

"Highly recommend, great work! "

Bill P on October 2025

Avatar for Environmental Assessments & Solutions, Inc.

Environmental Assessments & Solutions, Inc.

4.98(
109
)
•Approved Pro

Environmental Assessments & Solutions, Inc.

4.98(
109
)
•Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
34 years of experience

Locally owned and operated mold and indoor environmental testing and consulting services company serving NYS, CTS, and NJS since 1992. With over 31 years experience and over 50,000 inspections completed. Court qualified and experienced. Independent and Unbiased inspections with no eyes on the clock. Weekend and evening appointments at no extra charge. ANGI's super service award winner 9 years in row 2017-2025!** We NEVER conduct abatement/remediation services*** Please CALL us for a FREE phone consultation today!

"Charles was fantastic. Would recommend!"

eddie e on April 2025

Locally owned and operated mold and indoor environmental testing and consulting services company serving NYS, CTS, and NJS since 1992. With over 31 years experience and over 50,000 inspections completed. Court qualified and experienced. Independent and Unbiased inspections with no eyes on the clock. Weekend and evening appointments at no extra charge. ANGI's super service award winner 9 years in row 2017-2025!** We NEVER conduct abatement/remediation services*** Please CALL us for a FREE phone consultation today!

"Charles was fantastic. Would recommend!"

eddie e on April 2025

Avatar for World Class Environmental, LLC

World Class Environmental, LLC

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

World Class Environmental, LLC

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
19 local quotes requested
2 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Procyon

5.00(
5
)
•Approved Pro

Procyon

5.00(
5
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
28 local quotes requested

We can offer Mold Testing and Remediation. Water Damage. Smoke Damage. Fire Damage. Our owner is on site for all jobs! Call today we work flawlessly with your insurance company.

"I can’t say enough good things about Procyon. When a sudden flood in my basement occurred, their team responded with urgency and professionalism, arriving promptly and fully prepared. They quickly assessed the situation and got to work immediately. They ensured that every bit of moisture was taken care of, preventing any future mold or structural issues. I was especially impressed by their attention to detail. They didn’t just focus on removing the water, they also followed through with thorough drying, disinfecting, and post-remediation inspections to ensure my basement was safe and sound. They communicated with me every step of the way, which gave me peace of mind throughout the entire process. Thanks to their efforts, what could have been a disaster turned into a manageable situation. I highly recommend Procyon for anyone in need of reliable and effective remediation services. Their dedication, expertise, and customer care were second to none."

Chloe C on February 2025

We can offer Mold Testing and Remediation. Water Damage. Smoke Damage. Fire Damage. Our owner is on site for all jobs! Call today we work flawlessly with your insurance company.

"I can’t say enough good things about Procyon. When a sudden flood in my basement occurred, their team responded with urgency and professionalism, arriving promptly and fully prepared. They quickly assessed the situation and got to work immediately. They ensured that every bit of moisture was taken care of, preventing any future mold or structural issues. I was especially impressed by their attention to detail. They didn’t just focus on removing the water, they also followed through with thorough drying, disinfecting, and post-remediation inspections to ensure my basement was safe and sound. They communicated with me every step of the way, which gave me peace of mind throughout the entire process. Thanks to their efforts, what could have been a disaster turned into a manageable situation. I highly recommend Procyon for anyone in need of reliable and effective remediation services. Their dedication, expertise, and customer care were second to none."

Chloe C on February 2025

Avatar for Phase 1 Restoration Inc.

Phase 1 Restoration Inc.

4.79(
19
)
•Approved Pro

Phase 1 Restoration Inc.

4.79(
19
)
•Approved Pro
Customers say: Quick response
39 years of experience
Free onsite estimate

Phase 1 Restoration, Inc. possesses and utilizes the acumen to evaluate our client’s requirements and initiate a course of action necessary to achieve intended targets, incorporating the client’s schedule, budget, operational needs and future plans into consideration.

"Phase 1 did a fantastic job. They arrived on time and worked well to remove the asbestos from our basement."

Peter S on July 2025

Phase 1 Restoration, Inc. possesses and utilizes the acumen to evaluate our client’s requirements and initiate a course of action necessary to achieve intended targets, incorporating the client’s schedule, budget, operational needs and future plans into consideration.

"Phase 1 did a fantastic job. They arrived on time and worked well to remove the asbestos from our basement."

Peter S on July 2025

Avatar for Bulovas Restorations Inc

Bulovas Restorations Inc

5.00(
1
)

Bulovas Restorations Inc

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Bulovas Restorations is a full service Property Damage & Disaster Restoration company. We are Certified by the IICRC for Water Damage Restoration, Mold Remediation and Fire Damage Restoration. Our reputation is built on customer satisfaction and restoration expertise. Through communication and industry innovation we have become leaders in our field while successfully servicing thousands of customers. We service Long Island (Nassau County, NY; Suffolk County, NY, the Hamptons & East End) and the New York City areas. We provided 24 Hour Disaster Response Services dealing with Water Damage Restoration, Mold Removal and Fire Damage Restoration Why Choose Us? Prompt Project Completion High Quality Work Locally Owned & Operated Full Service Restoration Contractor 24/7 Emergency Service Certified Technicians Fully Licensed & Insured Insurance Claims Specialists Same Day Service Most Up-to-Date Equipment & Procedures 30 Minute Response Time

Bulovas Restorations is a full service Property Damage & Disaster Restoration company. We are Certified by the IICRC for Water Damage Restoration, Mold Remediation and Fire Damage Restoration. Our reputation is built on customer satisfaction and restoration expertise. Through communication and industry innovation we have become leaders in our field while successfully servicing thousands of customers. We service Long Island (Nassau County, NY; Suffolk County, NY, the Hamptons & East End) and the New York City areas. We provided 24 Hour Disaster Response Services dealing with Water Damage Restoration, Mold Removal and Fire Damage Restoration Why Choose Us? Prompt Project Completion High Quality Work Locally Owned & Operated Full Service Restoration Contractor 24/7 Emergency Service Certified Technicians Fully Licensed & Insured Insurance Claims Specialists Same Day Service Most Up-to-Date Equipment & Procedures 30 Minute Response Time

Avatar for Stateline Home Inspection

Stateline Home Inspection

4.77(
13
)

Stateline Home Inspection

4.77(
13
)
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers

My goal is to make you aware of costly defects and safety concerns for you and your family prior to your purchase. I do not sub out - I perform all inspections personally. I will email you a thorough, easy to read report with photos. If you wish I will also email report to your attorney and realtor. I am available 7 days a week.

My goal is to make you aware of costly defects and safety concerns for you and your family prior to your purchase. I do not sub out - I perform all inspections personally. I will email you a thorough, easy to read report with photos. If you wish I will also email report to your attorney and realtor. I am available 7 days a week.

Everett-Kayser Painting & Decorative Finishes

No reviews yet

Everett-Kayser Painting & Decorative Finishes

No reviews yet
29 years of experience

Everett-Kayser Painting & Decorative Finishes is a high-end painting service that covers both Fairfield & Litchfield Counties in CT as well as surrounding areas. We currently have 4 employees that are all professionals within their craft. Everett-Kayser Inc. is fully licensed & insured. We have clients that are contractors, interior designers, commercial entities and, of course, the homeowner. We pride ourselves on service and do offer free estimate services. You are welcome to visit our website at www.everett-kayser.com.

Everett-Kayser Painting & Decorative Finishes is a high-end painting service that covers both Fairfield & Litchfield Counties in CT as well as surrounding areas. We currently have 4 employees that are all professionals within their craft. Everett-Kayser Inc. is fully licensed & insured. We have clients that are contractors, interior designers, commercial entities and, of course, the homeowner. We pride ourselves on service and do offer free estimate services. You are welcome to visit our website at www.everett-kayser.com.

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FAQs for mold & toxic material test projects in Katonah, NY

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Katonah, NY homeowners’ guide to mold & toxic material tests

From average costs to expert advice, get all the answers you need to get your job done.

See all articles