About us

A full service remodeling and general contracting business licensed in Washington D.C. and Maryland, GEM Brothers General Contractor LLC is a company dedicated to serving communities across the Baltimore-Washington metropolitan area by providing premier interior and exterior remodeling solutions. We offer custom kitchen, bathroom, and basement remodeling services covering projects of all scopes, from cosmetic makeovers and  fixture upgrades to complete floor-to-ceiling redesigns and high end remodels. Encompassing everything from basement underpinning and framing to waterproofing and egress window installations, our crew provides basement finishing solutions that can turn any unfinished basement into fully usable, dry, well-lit square footage that can lodge our customers’ dream basement space and design ideas.

GEM Brothers General Contractor LLC’s remodeling and home improvement solutions are not limited to property interior spaces. We are experienced installing, updating and upgrading all exterior elements, including roofs, siding, windows, decks, and patios to ensure your home or property is in optimal condition, permanently safeguarded, and functionally and aesthetically enhanced.

GEM Brothers General Contractor LLC is lead by Susana Collazo and Alex Collazo, whose extensive backgrounds in business administration and the construction contracting business  together serve as the bedrock for the firm’s commitment to its customers, to the trade, and to entrepreneurial success. For the Collazo duo, open communication with their customers is key to fulfilling these commitments, and this starts with providing fair, honest, and upfront prices and proposals. In addition to protocol set in place to provide a smooth and transparent process from beginning to end, the team acts proactively to keep clear communication of customers’ expectations and GEM Brothers General Contractor LLC’s processes. Our customers cannot only expect a business set up and developed to create positive customer experiences but a crew equipped to deliver results that meet, and even go beyond, the quality they demand for their homes and commercial properties.