January 2019

We are entering our 5th year as a member of the Southern Tier Home Builders and Remodelers Association!

Only builders of the highest level of experience and integrity are allowed to participate.  

We are very proud of our relationship with the STHBRA.

Carpenter in Training!

It's never too early to train new help!

"The Thunderbuilt company has done a number of projects for me and I couldn't be happier.  A small family owned business that puts pleasing you ahead of everything else.  What a treat!
You can't go wrong with Thunderbuilt Construction."

                                                                         Betsy Jo

Future Thunderbuilt team member!


Emma DePersis,
age 6 months.
Skills include balancing on couch and chewing on Grampa's Thunderbuilt hat.
Future lead carpenter for Thunderbuilt Construction Co.


Deb, on a Sunday afternoon, writing up a job estimate.

Debra (Deb) DePersis,

Owner-Thunderbuilt Construction


Deb is a professional, interior-finish specialist with over 30 years of experience in construction, painting and wall treatments

Her portfolio includes commercial, residential, professional offices and light industrial settings.
Deb offers a wealth of valuable skills to her clients and provides a high degree of comfort & confidence to new, as well as long-term clients.

William (Bill) DePersis, Project Manager


Bill manages all projects for Thunder Built. He is a hands-on company representative who spends quality time with each and every client. From the beginning stages of each project, through the design and actual build-out, Bill is on-site making sure each client’s expectations are constantly being met or exceeded.

Bill has 30 years experience as a carpenter and furniture builder and has worked in all aspects of the building / remodeling industry. Bill cut his teeth working on the Oakdale Mall and in all IBM facilities as a Union Carpenter. As his career progressed, Bill began custom-building furniture and home furnishings for individual, commercial, residential, industrial and professional clients.

Mike DePersis


Mike, the youngest son of Bill & Deb is a Lead Carpenter for Thunder Built.  Mike manages on-site project teams from start to finish. A fully trained, experienced, Union Carpenter, Mike brings a high degree of drive, energy and  project management skill to every job site.


Jeremy Schmerder


Jeremy has been with Thunder Built Construction for over four  years.

He has a tremendous background in all phases of commercial, residential and industrial construction.  Over the past 20 years he has served as a construction foreman for several of the largest general contractors in the triple cities.   In addition to being able to manage large crews of workers, he controls the flow of machinery, equipment and materials to and through the jobsite.  Always willing to do what's needed regardless of the conditions or environment, Jeremy is a vitally important part of the TBC machine and we are proud to have him on board.

Bill & Deb DePersis of Thunder Built Construction
Thunder Built Construction
127 Main Street
Windsor, NY 13865
(607) 759-3298

Thunder Built Construction

THUNDERBUILT is a Woman-Owned Business serving Upstate NY and Northern PA.

Thunder Built is a general contractor specializing in high quality, residential, commercial and light industrial construction and renovation.

We take pride in meeting or exceeding the needs of our clients, making sure that all projects are completed on time and on budget and that each client is truly satisfied with the results.

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Proud Member of NAHB Remodelers

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Proud Supporter of Windsor Community Revitalization Organization

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