570.837.1414 | [email protected] | "Specializing In Custom Design"
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Evan Barnes

Evan Barnes

Tom, there was a miscommunication somewhere down the line between final sign offs and the approvals drawings for the roof design on SN-15598. I noticed it late last night and called Bryan. He talked me off a ledge and said he would figure it out first thing this morning. He assembled the engineers and they all worked at it VERY VERY hard and got EVERYTHING done and resolved in an extremely fast and professional manner. There will always be bumps in the road, but when they are handled in a manner like this it reaffirms my decision to build with you all. Please make sure the team knows everyone at Mod One appreciates their hard work today!

Evan Barnes
Modular One

Our Office

Custom Building Systems LLC has a firm belief that every family deserves the opportunity to own a home. To accomplish this, we offer an extensive selection of floor plans, from ranches and capes, to large two stories and contemporary models. Complete customization of construction allows you to build a home to suit your needs and specifications.


[email protected]

200 Custom Avenue
Middleburg, PA 17842

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    Office Hours

  • MON8AM–4:30PM
  • TUE8AM–4:30PM
  • WED8AM–4:30PM
  • THUR8AM–4:30PM
  • FRI8AM–4:30PM
  • SATClosed
  • SUNClosed
Custom Building Systems