About Projects Our Recent Specialty

Cosmo Builders provides clients with the highest standards of workmanship service, and support in the construction industry. To do this, we have craftsmen and tradesmen in a number of specialty construction areas, including plumbing, electrical, HVAC, and more. We pride ourselves on offering superior customer service while maintaining the highest standards in performance of work and the final product.

Cosmo Builders is the best residential and commercial construction company in Northern Virginia and Washington DC, but you don’t have to take our word for it. Here we offer proof, with examples of satisfied customers and galleries of our work. Click a construction specialty to learn more about these services.