“Jon Koski of Restoration Builders has done our new and remodel commercial and residential construction for years. Quality workmanship, Reliability and Honesty might best describe Jon and his work ethic.”
- Castro Valley
"Restoration Builders Inc. did a great job installing my Pella windows. Jon and his crew are top notch and highly recommended”
- Richmond
"I would use Restoration Builders again in a heart beat! They were on time, installed the French doors to perfection and cleaned up after themselves."
- San Francisco
“Jon and his team were extremely professional and great to work with. He was able to replace all six of my windows up on the second floor all in 1 day! I highly recommend him and we look forward to working with him again on our next construction project.”