The Trusted Roseville General Contractor

Do it once. Do it right.

Do it Once.
Do it Right.

At Cobex we offer energy efficient home improvements and products while always maintaining our principles in; integrity, professionalism and reliability. Give us the opportunity to show you what we can do for your home, business or multi-unit property. You will not be disappointed.
Call us now at 916-745-6699 or submit our free estimate request form. What makes us stand out? we prioritize people over profit.

Get 5 % your next project today!

Are you ready to start your next project today?

Our Certifications !

5 star General Contractor on google, yelp, home advisor and guild quality !

Our Popular Services

Custom home build in Folsom California by Cobex.

Lifetime Roofing

We offer multiple different types of Roofing solutions, all with their unique benefits.

Energy Efficient Windows installed by Cobex

Lifetime Windows

Double pane windows are the most effective way to make your home more cozy and energy efficient.

Exterior Paint

Lifetime Painting & Coating

Our paint will not only give your home a fresh look, but will also protect your home and save you money !

Save 30% on solar until the end of the year

New to Cobex?
Read up on the latest from the industry leader In energy efficiency :

What do people have to say about us?

Rose F.
Their team did a fantastic job on replacing the door between my Home and the garage. It had to be “fire rated” quality. They knew all the specs and building codes to ensure the job was done right. Their selection of the door style and all supporting details were outstanding. Their staff has great customer service orientation. When I asked for a recheck of closure, the contractor was out the same day. I am highly satisfied and recommend Cobex for high quality results.
Abbe P.
Bottom line, these gentlemen are top notch! I so appreciate their quick response, punctuality, easy to understand communication, thoroughness of plan, a fair estimate, attention to detail, and the work done to perfection. I will not hesitate to call them for future projects.
Beth M.
There should be more than 5 stars From the owner of the company Vaz to Greg to Victor, Serge Alex and Serge #2 I cannot say enough good things about this company This project was a lot more challenging than any us realized but the end result is fabulous Quality work and well worth the expense
Scarlet J.
I really am happy my family hired Cobex Construction. Surgey and his crew were amazing. We had issues with our insurance not being helpful about replacing our new roof and This company helped in every way and went above and beyond. My parents home looks amazing and we have future plans of hiring them in the future for any of our construction needs and highly recommend. Thanks Again Surgey and everyone at Cobex Construction Group.

Our work

5 star Sacramento general contractor

Who are our product partners?

David DeJong

I have hired Cobex Construction Group for two projects now, the most recent being July of 2019 for a redwood fence project. I could not be more pleased with the results. Working with them was also a pleasure as usual as they kept me up to …

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Response from business owner

Thank you David, it was a pleasure to serve you.

via Google
Bob Lyons

Used this company last year to install rain gutters on my new home. Then I just had them refinish all my front and back handrails. Both jobs were completed to me specifications and on time. Very satisfied with both jobs and highly recommend…

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Response from business owner

Thank you so much Bob! Glad to hear all went well! Thanks Again for your input and recommendations!

via Google
William Campagna

The team did a great job installing patio, front and rear stairs, driveway, irrigation, painting and more.

Response from business owner

Awesome! Sounds like a big project, glad to hear all went well. Thank you William!

via Google

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