A Family owned business, RBI was started in 2013 by brother-in-laws Jon Koski and Dave Adamis.  Together they set out to leverage their 20+ years of construction industry experience and build a business characterized by four key components:

  1. Working with clients on a personal level

  2. Understanding and placing the client's goals and objectives first

  3. Ensuring clear communication throughout the project

  4. Achieving total client satisfaction


Restoration Builders Inc. is located in Hayward, CA and serves all over the Peninsula, North Bay, East Bay, and more! Call today to see if we serve your area!

  • Full & Large Scale Remodels

  • New Additions

  • Window & Door Replacement

  • Turnkey Solutions

  • Tenant Improvements (TI)

  • New Construction

  • Property Maintenance

  • Window & Door Replacements





"Given the quality of work that your men displayed in installing the door along with your responsiveness, I will be sure to recommend your services as well as hire your firm for my next project."

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“Thanks to Jon and Restoration Builders we have two beautifully installed replacement sliding doors. Jon and his assistant completed the job in a single day and made sure the job was done right! We will be happy to recommend your company to our friends or for our future window or door needs. THANK YOU!”

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"Your crew was excellent! My home looks absolutely wonderful. Your guys were professional, respectful and very tidy. I am very very pleased to have worked with you. If you have any interest in a bathroom redo, I would love to talk to you about it."

"Professional, respectful and highly proficient in several aspects of general contracting, including door and window installation and carpentry. A great firm with excellent customer service and great value for your money!"


"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."

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"Restoration Builders Inc. did a great job installing my Pella windows. Jon and his crew are top notch and highly recommended”


To form a team dedicated to providing outstanding customer service.  We will provide a professional approach to constructing exceptional quality projects which meet budget, schedule goals, and exceed customer expectations.


Family business that strives to be your go-to contractor by delivering quality work and exemplifying strong work ethics, reliability, safety, and efficiency to each of our projects and to build relationships with our customers and treat them with value and respect.


Restoration Builders, Inc.

2251 Claremont Ct.

Hayward, CA  94545



Tel: 925.580.5943 

We install Pella products!

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If you have any further questions, or are interested in any of our services, please feel free to contact us today and we will be happy to be of assistance!

Click here to find us on Yelp!


To apply for a Carpenter/Window Installer position with Restoration Builders, please send a resume to:


Get a free quote: 925.580.5943

CSL #985449

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