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Cornerstone Training Institute

American Flag Rochester, NY

Member since 2013

Cornerstone Training Institute

Lead Paint Certification, Asbestos Certification, OSHA/Construction/Safety, Mold Certification, Hazardous Materials, Construction Trade, Business Practices

Cornerstone Training Institute is New York State's most qualified environmental safety firm with a proven history of minimizing risk while maximizing worksite efficiencies and cost savings. We have built our company foundation on lasting partnerships and gladly share our network and expertise with all of our clients. Our team represents the most qualified and experienced specialists in the field of asbestos, lead and OSHA training. Our professional hands on approach will equip you with the skills necessary to handle the demands of all potential safety and environmental hazards.

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4.8   reviews average 533 reviews
45
Upcoming Events
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years in Business
Location/Date(s)Course 
NY - Rochester NYS Mold Abatement Worker Initial View
NY - Rochester NYS Mold Assessor Initial View
NY - Rochester NYS Mold Remediation Contractor Initial View
Webinar Asbestos Contractor/Supervisor Refresher View
NY - Rochester Asbestos Project Designer Initial View
NY - Online Mold Refresher NY View
NY - Rochester Lead Renovators Certification Refresher View
Webinar HAZWOPER 8-Hour Annual Refresher View
NY - Rochester Asbestos Contractor/Supervisor Refresher View
NY - Rochester Asbestos Worker Refresher View
NY - Rochester Asbestos Allied Trades Restricted Handler - Refresher View
NY - Rochester Asbestos Operations and Maintenance Refresher View
NY - Rochester Asbestos Project Designer Refresher View
NY - Rochester Asbestos Worker Refresher Spanish View
NY - Rochester Mold Refresher NY View
NY - Rochester NYS Mold Abatement Worker Initial View
NY - Rochester Asbestos Project Monitor Refresher View
NY - Rochester Lead Renovators Certification Refresher View
NY - Rochester Asbestos Worker/Handler Initial - Spanish View
Webinar Asbestos Operations and Maintenance Refresher View
NY - Rochester Asbestos Contractor/Supervisor Initial View
NY - Rochester Asbestos Project Monitor View
Webinar Asbestos Contractor/Supervisor Refresher View
Webinar Asbestos Project Designer Refresher View
Webinar Asbestos Project Monitor Refresher View
NY - Rochester Lead Renovator Certification Initial View
Webinar Asbestos Building Inspector Refresher View
Webinar Asbestos Management Planner Refresher View
NY - Rochester Asbestos Worker Refresher View
NY - Rochester Asbestos Operations and Maintenance Refresher View
NY - Rochester Asbestos Allied Trades Restricted Handler - Refresher View
NY - Rochester OSHA 10-Hour Construction Industry View
NY - Rochester HAZWOPER Initial - 40 Hours View
NY - Rochester Asbestos Contractor/Supervisor Refresher View
NY - Rochester Asbestos Operations and Maintenance Initial View
NY - Rochester Asbestos Building Inspector Initial View
NY - Rochester HAZWOPER 8-Hour Annual Refresher View
NY - Rochester NYS Mold Assessor Initial View
NY - Rochester NYS Mold Remediation Contractor Initial View
NY - Rochester NYS Mold Abatement Worker Initial View
Webinar Asbestos Contractor/Supervisor Refresher View
Webinar HAZWOPER 8-Hour Annual Refresher View
NY - Rochester Asbestos Project Designer Initial View
NY - Online Mold Refresher NY View
NY - Rochester OSHA 10-Hour Construction Industry - Spanish View
Cornerstone Training Institute Cornerstone Training Institute is New York State's most qualified environmental safety firm with a proven history of minimizing risk while maximizing worksite efficiencies and cost savings. We have built our company foundation on lasting partnerships and gladly share our network and expertise with all of our clients. Our team represents the most qualified and experienced specialists in the field of asbestos, lead and OSHA training. Our professional hands on approach will equip you with the skills necessary to handle the demands of all potential safety and environmental hazards.
100% Verified Reviews
Below are the most recent student reviews for previous Cornerstone Training Institute Courses. All reviews are from people who registered for and attended the course.
Average rating: Average Rating stars out of 5 stars ( 4.8 out of 5 stars - 533 533 student reviews)


Cornerstone Training Institute
review userShawn F.
5 stars out of 5 stars attended on September 15, 2026
Excellent instructor and liked the hands on lessons Excellent instructor and liked the hands on lessons
Cornerstone Training Institute
review userRyan D.
5 stars out of 5 stars attended on September 15, 2026
Mark was knowledgeable and lead a great class! Mark was knowledgeable and lead a great class!
Cornerstone Training Institute
review userArturo C.
5 stars out of 5 stars attended on August 29, 2026
Course was excellent, the instructors were very knowledgeable and experienced and had anecdotal stories. Just what I needed. Course was excellent, the instructors were very knowledgeable and experienced and had anecdotal stories. Just what I needed.
Cornerstone Training Institute
review userKeith G.
4 stars out of 5 stars attended on August 1, 2026
Informational and experience driven which helps to provide a better understanding of the unlimited possibilities that could... Informational and experience driven which helps to provide a better understanding of the unlimited possibilities that could faced in the future. I believe the intent of the course was met and was showcased with expertise!
Cornerstone Training Institute
review userStephen B.
5 stars out of 5 stars attended on June 20, 2026
Excellent class. Highly recommend. Instructor was very knowledgeable. Excellent class. Highly recommend. Instructor was very knowledgeable.
Cornerstone Training Institute
review userSINTHYA R.
5 stars out of 5 stars attended on May 21, 2026
Excellent Excellent
Cornerstone Training Institute
review userkeith H.
5 stars out of 5 stars attended on May 14, 2026
Informative and hands on Informative and hands on
Cornerstone Training Institute
review userAshley T.
5 stars out of 5 stars attended on April 28, 2026
Cornerstone Training instructor provided an outstanding refresher course. I am fond of learning and was very impressed to... Cornerstone Training instructor provided an outstanding refresher course. I am fond of learning and was very impressed to learn new information after years of research in my role. This experience was engaging and easy to understand. Several components of the course had information in it that brings value to myself as an assessor and to the value of Cornerstone and its instructor. I will recommend this company to all of my industry associates.
Cornerstone Training Institute
review userDenis Alfredo C.
5 stars out of 5 stars attended on April 7, 2026
The instructor was fantastic and very knowledgeable and helpful. Great teacher as well! The instructor was fantastic and very knowledgeable and helpful. Great teacher as well!
Cornerstone Training Institute
review userCurtis R.
5 stars out of 5 stars attended on March 21, 2026
All instructors was very knowledgeable and helpful and I would recommend them for anyone that needs help with learning material All instructors was very knowledgeable and helpful and I would recommend them for anyone that needs help with learning material
Cornerstone Training Institute
review userChristian M.
5 stars out of 5 stars attended on March 21, 2026
Great class very informative great learning environment Great class very informative great learning environment
Cornerstone Training Institute
review userRobin R.
5 stars out of 5 stars attended on March 12, 2026
Jesus was a wonderful instructor and kept me fully engaged throughout the entire day and I actually feel like I got so much... Jesus was a wonderful instructor and kept me fully engaged throughout the entire day and I actually feel like I got so much out of the day. Excited to be safe about lead, his passion of safety was inspiring
Cornerstone Training Institute
review userDalton G.
5 stars out of 5 stars attended on March 12, 2026
Very good instructor also knows how to make the class interesting Very good instructor also knows how to make the class interesting
Cornerstone Training Institute
review userJoshua P.
5 stars out of 5 stars attended on February 27, 2026
I was very happy we could take the class the next day that I called to schedule it. The instructor was funny and we had... I was very happy we could take the class the next day that I called to schedule it. The instructor was funny and we had a good time. The office manager Lynn was very helpful to me as this was are first time at this taring establishment. Lynn went above and beyond staying after hours to help us get are certificates she was awesome.
Cornerstone Training Institute
review userRodger S.
5 stars out of 5 stars attended on February 21, 2026
Very good Very good
Cornerstone Training Institute
review userAdnan Y.
5 stars out of 5 stars attended on February 11, 2026
Great Great
Cornerstone Training Institute
review userJesse A.
5 stars out of 5 stars attended on February 11, 2026
The instructor Jesus was absolutely elite. Completely had all the knowledge we needed. His hands on was on point and really... The instructor Jesus was absolutely elite. Completely had all the knowledge we needed. His hands on was on point and really got the class involved. Absolutely the best class I've sat through. Walked away with more understanding than when I did a week long abatement course.
Cornerstone Training Institute
review userRaymond E.
5 stars out of 5 stars attended on January 17, 2026
Cornerstone Training Institute is an excellent training center, featuring a well-structured schedule, hands-on training,... Cornerstone Training Institute is an excellent training center, featuring a well-structured schedule, hands-on training, and instructors with extensive knowledge and backgrounds in the courses they teach. I am currently enrolling additional employees to attend the Asbestos Contractor Supervisor Initial on February 9th and all refresher courses will be at Conerstone as well.
Cornerstone Training Institute
review userOrlando R.
5 stars out of 5 stars attended on January 17, 2026
Very good Very good
Cornerstone Training Institute
review userJanell G.
5 stars out of 5 stars attended on January 15, 2026
Instructor was informative, learned a lot! Instructor was informative, learned a lot!
Cornerstone Training Institute
review userMichael B.
5 stars out of 5 stars attended on December 18, 2025
course was very well prepared and instructor was very knowledgeable about real life applications of the rules and procedures. course was very well prepared and instructor was very knowledgeable about real life applications of the rules and procedures.
Cornerstone Training Institute
review userJames A.
5 stars out of 5 stars attended on December 18, 2025
Mark was excellent -- I have taken the certification in previous years, and his presentation wasn't just a dry boring coverage... Mark was excellent -- I have taken the certification in previous years, and his presentation wasn't just a dry boring coverage of the material. but explained things for people, and gave various experiences etc. Definitely would recommend...
Cornerstone Training Institute
review userJoel M.
5 stars out of 5 stars attended on November 27, 2025
He was very knowledgeable and easy to follow. I will be recommending this company the process was very easy. He was very knowledgeable and easy to follow. I will be recommending this company the process was very easy.
Cornerstone Training Institute
review userRobert M.
5 stars out of 5 stars attended on November 27, 2025
Mark did a fantastic job keeping the NY Mold certification refresher course moving along smoothly. He was very well spoken... Mark did a fantastic job keeping the NY Mold certification refresher course moving along smoothly. He was very well spoken and did a great job getting his points across to us in attendance.
Cornerstone Training Institute
review userSteven L.
5 stars out of 5 stars attended on November 13, 2025
Great class Great class
Cornerstone Training Institute
review userRex P.
5 stars out of 5 stars attended on November 13, 2025
Excellent class very informative. Lots of information packed into a short time but done professionally where you could absorb... Excellent class very informative. Lots of information packed into a short time but done professionally where you could absorb it.
Cornerstone Training Institute
review userAndy K.
5 stars out of 5 stars attended on September 11, 2025
Mark- was a very thorough and Knowledgeable instructor on this topic. Mark- was a very thorough and Knowledgeable instructor on this topic.
Cornerstone Training Institute
review userVanessa D.
5 stars out of 5 stars attended on June 21, 2025
Instructor was very knowledgeable and made the class interesting, would definitely recommend this class Instructor was very knowledgeable and made the class interesting, would definitely recommend this class
Cornerstone Training Institute
review userBarbara W.
5 stars out of 5 stars attended on June 7, 2025
Instructor's did a great job. I enjoyed the course Instructor's did a great job. I enjoyed the course
Cornerstone Training Institute
review userRuss C.
5 stars out of 5 stars attended on May 31, 2025
Instructors were very knowledgeable and thorough. Instructors were very knowledgeable and thorough.
Cornerstone Training Institute
review userHelen J.
5 stars out of 5 stars attended on May 10, 2025
I found the course to be informational. The instructor was very knowledgeable and was able to answer all questions presented... I found the course to be informational. The instructor was very knowledgeable and was able to answer all questions presented to him.
Cornerstone Training Institute
review userMohamed S.
5 stars out of 5 stars attended on May 10, 2025
Excellent class .Thank You Excellent class .Thank You
Cornerstone Training Institute
review userSamir S.
5 stars out of 5 stars attended on May 10, 2025
. .
Cornerstone Training Institute
review userRobert P.
5 stars out of 5 stars attended on April 25, 2025
The instructor was well prepared and was knowledgeable about the subject. The instructor was well prepared and was knowledgeable about the subject.
Cornerstone Training Institute
review userDaniel I.
5 stars out of 5 stars attended on April 25, 2025
Mark Gonzalez is a natural instructor and selected excellent videos as aids to get points across. I would want more of an... Mark Gonzalez is a natural instructor and selected excellent videos as aids to get points across. I would want more of an explanation of next steps/process to submit the refresher. Thank you.
Cornerstone Training Institute
review userCynthia P.
5 stars out of 5 stars attended on March 20, 2025
The class was very interactive and the trainer very knowledgeable. The class was very interactive and the trainer very knowledgeable.
Cornerstone Training Institute
review userEric W.
5 stars out of 5 stars attended on March 15, 2025
The training was excellent. All of the instructors were well seasoned and answered every question that was asked. I will... The training was excellent. All of the instructors were well seasoned and answered every question that was asked. I will be coming back and sending anyone else in need of the trainings they offer to Cornerstone.
Cornerstone Training Institute
review userJames M.
5 stars out of 5 stars attended on March 12, 2025
My Honest review was the class was very informational and the instructor was very in depth and it was a great class overall! My Honest review was the class was very informational and the instructor was very in depth and it was a great class overall!
Cornerstone Training Institute
review userLawton R.
5 stars out of 5 stars attended on February 25, 2025
very knowledgeable, instructed clearly while engaging with the students very knowledgeable, instructed clearly while engaging with the students
Cornerstone Training Institute
review userEDWARD D.
5 stars out of 5 stars attended on January 24, 2025
Great class, great instructor!! Great class, great instructor!!
Cornerstone Training Institute
review usermichael b.
4 stars out of 5 stars attended on December 13, 2024
it was long but informative ... it was long but informative ...
Cornerstone Training Institute
review userJustin R.
5 stars out of 5 stars attended on November 28, 2024
Both instructors were highly educated and explained in depth each and every topic. Highly recommend this course for anybody... Both instructors were highly educated and explained in depth each and every topic. Highly recommend this course for anybody looking to gain knowledge in this field!!
Cornerstone Training Institute
review userBrittany K.
5 stars out of 5 stars attended on September 11, 2024
seemed to know the ny law very well seemed to know the ny law very well
Cornerstone Training Institute
review userDylan Y.
5 stars out of 5 stars attended on August 17, 2024
The course was very informative and Mike was a great instructor. He clearly knew a lot about the field and answered all my... The course was very informative and Mike was a great instructor. He clearly knew a lot about the field and answered all my questions. He was also very personable.
Cornerstone Training Institute
review userBimal P.
5 stars out of 5 stars attended on July 20, 2024
It was excellent. It was excellent.
Cornerstone Training Institute
review userJacqueline L.
5 stars out of 5 stars attended on May 8, 2024
Very informative. Great class. Very informative. Great class.
Cornerstone Training Institute
review userJerami F.
5 stars out of 5 stars attended on April 30, 2024
The in person refresher was well planned out to meet the requirements of the certification renewal. Cornerstone is a great... The in person refresher was well planned out to meet the requirements of the certification renewal. Cornerstone is a great local firm with a very clean and welcoming office.
Cornerstone Training Institute
review userJeffrey P.
5 stars out of 5 stars attended on March 29, 2024
The instructor had a really nice personality and a lot of experience to offer for the refresher. He made the time fly by.... The instructor had a really nice personality and a lot of experience to offer for the refresher. He made the time fly by. He didn’t talk down to us and tried to engage as many of us as he could. Well done!
Cornerstone Training Institute
review userJason S.
4 stars out of 5 stars attended on March 29, 2024
The course was fine and discussion was friendly and the instructor was fine as would be expected The course was fine and discussion was friendly and the instructor was fine as would be expected
Cornerstone Training Institute
review userJohn V.
5 stars out of 5 stars attended on March 1, 2024
The class started promptly on time. The instructor was organized and presented material in a way that everyone could understand... The class started promptly on time. The instructor was organized and presented material in a way that everyone could understand and/or relate to. It was a class where students could ask questions as the course was being delivered. The instructor asked questions to keep everyone involved.
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