Additions Custom Home Contractor
Serving Fairfax County / Prince William County

A home addition adds space, comfort, and resell value when done correctly.

Post Designers & Builders are Northern Virginia home owners home addition experts. Add a finished basement with an in-law suite.

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Additions • Bump Out • Pop Up • Second Story • Wing Addition • In-law Suite

Home Additions

As you consider your home improvement project, the process may seem daunting at times. There are so many decisions to make.As a trusted custom home builder and licensed contractor, we have developed procedures and a Project Builder Guide Book to help you throughout the design and building process. Our guide will walk you through the whole process, including:

  • Initial Evaluation
  • Design Agreement
  • Plans Creation
  • Going to Contract
  • Submitting for Permits
  • Pre-Construction Meetings
  • Start of the Job
  • Walk Through with Electrician
  • Progress Meetings
  • Final Walk Through

2nd story side addition, rear addition, 4-car garage, new kitchen, great room with stone fireplace and cathedral ceiling. New master bathroom suite. For more photos CLICK HERE.

in law suite addition

before adding garage

after detached garage

Quality Home Improvement Builder at Affordable Prices Call us today and let us start creating the home you want.

Additions are our specialty with architectural services, design services, permits, finished basements, kitchens, bathrooms additional floors, garages and more.

Serving Northern Virginia and Parts of Maryland


Post Designers & Builders provides permit ready/set architectural plans
or will work with you on your own concept.
Licensed, Bonded, Insured