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GCS did an awesome job insulating our new home. They were on time and very courteous and professional. One of the other trade jobs nock out a piece of insulation and GCS put it back on again. Even though that was not their fault nor there job.

Insulation was blown in in the walls and attic doing an excellent job in all aspects. Very happy with the overall job.

Way to go, GCS.


Juan G

Kennewick, WA
June 2017

Leo and his crew did an awesome job installing my new garage doors. They paid attention to detail, were friendly and courteous. I also had them replace a broken spring on my other door. They showed up on time and did a great job. Hard to find a contractor better than this. I will recommend them to everybody. They are my garage door specialist for life.


Tim H.

Kennewick, WA
September 2017

Top notch quality and service! I couldn't be happier about the final product. They helped out our business in a major way. Our office is now cozy and warm! They even came on a Saturday while we were closed so we didn't have to interrupt our working hours.

Now we can save some serious on our heating bill. We are now a lot more 'green' and we don't have to watch our money floating through our roof anymore.

Thank you!


Kennewick, WA

Leo and his crew provide all of the air sealing and insulation needs for our Energy Star and Built Green certified homes. Work is performed in a very timely manner with great attention to the small details. Our homes consistently meet the rigid air tightness standards as required by Energy Star. Thanks Leo!!

New Tradition Homes

Steve T.

Kennewick, WA
March 2017

We just had our attic insulated and are very excited! They were very professional, efficient and provided high quality work! They even were very consciences and laid plastic flooring protection everywhere they would be walking. Thank you so much! We look forward to improved insulation just in time for the chilly weather.


Kennewick, WA

I just wanted to let you know that, as we have been a customer from the start our your business, we have had great success with the quality of your service and product. You have helped us as a business, fulfill our obligations to our customers.
thanks again,

Roy R

Kennewick, WA
April 2017

GCS is my go to contractor for all of our insulation needs. They always go above and beyond exceeding our expectations consistently. They set the bar pretty high. I would definitely recommend them for any job they do.

Angelo C

Kennewick, WA
March 2017

I have worked several times with Leo and always been pleased with product,price and service.he has the "get er done" attitude.


Kennewick, WA

I have personally been working with Golden Contractor Services as a Jobsite Supervisor with New Tradition Homes since January 2015, thats over 2 years. It has been a pleasure dealing with Leo, Lalo and all of the insulation techs. New Tradition Homes has won the Energy Star Partner of the Year Award 2 years running, the team at Golden Contractor Services has played a very large part in making that possible. We have very stringent building envelope sealing and insulation standards that must be met to work for us. The team at Golden Contractor Services consistently meets and exceeds the standards that we set. We can count on timely, professional, quality service. Golden Construction Services stands behind their product and is willing to get the job done, they know their business. Not only do we have a great working relationship, but I consider them to be my friends.

Thanks for all you do!!

Gene M.

Kennewick, WA
March 2017