Overview
About Us
This residential contractor is a GAF Factory-Certified Contractor. GAF trains and tests thousands of the best roofers in the country and makes sure they're appropriately licensed and insured so they can offer the best warranties.
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.
Customer Reviews

"Matt and his team are top notch. If you're looking for an honest and ethical contractor. Look no further. I recommend Matt and Greiman Construction for all your roof replacement needs."
"I've worked with Greiman Construction on multiple projects. Over time I've realized how much focus Matt and his team put in to offering a great customer experience through integrity, ethics and having a solid reputation. I would recommend Greiman Construction to all my friends and family in Iowa."
"There were fast, quality work, reasonable priced, and cleaned up after themselves."
- "Matt and his team are top notch. If you're looking for an honest and ethical contractor. Look no further. I recommend Matt and Greiman Construction for all your roof replacement needs."
- "I've worked with Greiman Construction on multiple projects. Over time I've realized how much focus Matt and his team put in to offering a great customer experience through integrity, ethics and having a solid reputation. I would recommend Greiman Construction to all my friends and family in Iowa."
- "There were fast, quality work, reasonable priced, and cleaned up after themselves."
- "Ok"
- "The most honest & hardworking of our area contractors, which is saying a lot! (speaking as a former City Administrator of Garner who oversaw numerous contractors during 3 yrs of Housing Rehab)"
- "This was my first time working with this company. I needed to have a roof replaced on my house. All aspects of the job went well with informative, punctual communication through all phases from the quote through completion of the work. The scheduled day of the job went very smooth. The guys had the roof replaced within one day. The cleanup of the property was thorough. I would definitely go with these guys again."
- "Excellent company to work with."

"Very poor communication"
"Customer asked us not to share his/her review."

- "Very poor communication"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "INSTALLERS"
- "GREIMAN CONSTRUCTION SERVICES DISAPPOINT"
- "WE WERE HAPPY BECAUSE"
- "Professional"
- "GREIMAN CONSTRUCTION SERVICES"
- "VERY PLEASANT"
- "HONEST, KNOWLEDGEABLE, QUALITY CONTRACT"
- "PROFESSIONAL CONTRACTOR"
- "PROFESSIONAL"
- "Customer asked us not to share his/her review."
- "DID A VERY GOOD JOB"
- "Customer asked us not to share his/her review."
- "GREAT JOB"
- "PROFESSIONAL & COURTEOUS CONTRACTOR"
- "Scratched our new gutter system by placing ladders against it even after I told them they need to put something between the gutter and ladder."
- "Am very pleased with the contractor and there crew."
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "CONTRACTOR TIME"
- "Customer asked us not to share his/her review."
- "PROFESSIONAL CONTRACTOR"
- "VERY SATISFIED"
- "PROFESSIONAL & VERY GOOD WORK"
- "GREIMAN CONSTRUCTION"
- "GREIMAN CONSTRUCTION SERVICE LC."
- "PROFESSIONAL KNOWLEDGEABLE"
- "PROFESSIONAL/KNOWLEDGEABLE/EXPERTISE"
- "PROFESSIONAL CONTRACTOR EXCEEDED"
- "Customer asked us not to share his/her review."
- "THE CONTRACTOR DID A EXCELLENT JOB"
- "Customer asked us not to share his/her review."
- "Top notch installers!"
- "Customer asked us not to share his/her review."
- "WELL INFORMED VERY PROFESSIONAL"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "PROFESSIONAL"
- "PROFESSIONAL - DID NOT CLEAN WELL"
- "DID WHAT THEY SAID"
- "EVERYTHING WENT WWELL. EXCEPT FOR SIDING"
- "Customer asked us not to share his/her review."
- "PROFESSINAL & KNOWLEDGEABLE CONTRACTOR"
- "GREIMAN CONTRACTOR SERVICES"
- "PROFFESSIOANAL AND KNOWLEDGEABLE"
- "Contractor was very professional"
- "THEY CERTAINLY MET ALL OUR"
- "VERY THOROUGH AND KNEW WHAT"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "CONTRACTOR"
- "IAN BARTLETT WAS VERY PROFESSIONAL"
- "Customer asked us not to share his/her review."
- "CONTRACTOR"
- "Very good job"
- "THEY DID GREAT"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "COMPETANT, COURTEOUS"
- "EXCELLENT SERVICE"
- "PROFESSIONAL KNOWLEDGEABLE CONTRACTOR"
- "Very impressed with the level of professionalism and attention to detail."
- "Customer asked us not to share his/her review."
Awards
Consumer Protection Excellence Award
This award recognizes those contractors that best protect their clients with system selling and enhanced warranties.
Training Excellence Award
This award is for contractors that are committed to training and continuous improvement.