Who We Are
Cosmo Builders provides a wide variety of services to meet all of your Northern Virginia commercial or residential construction and remodeling needs. There is no need to look for additional contractors to handle the different parts of your project, we do it all. From electrical to plumbing, from foundations to paint, Cosmo Builders is your one stop for a stress-free, all-encompassing commercial construction project in Alexandria, Arlington, and DC.This is not a complete list of services, so contact us if you need a project that isn’t listed here. We handle everything from design to finishing touches for residential and commercial construction in NoVA and DC.Contact us today to get started with an estimate for complete construction services for your residential or commercial remodeling or new construction.
our story
About Us
Cosmo Builders was founded in 2007 in Afghanistan. We have served big clients including Governmental Contracting for US Military, United States Department of Defense (DoD), and USAID. In over 21 years as prime contractor, we have successfully delivered over 94 construction projects to our clients. We have completed projects from military training facilities and medical centers to domestic driveways, luxury home renovations and building new residential and governmental facilities.
Our core values of trust and reliability have informed everything we do. We’re delighted to have received tremendous opportunities from the US Military, NATO, and the international community. With 14 years’ experience, we’ll continue to bring our expertise to the Northern Virginia and DC construction industry.
Cosmo Builders is a fully insured & licensed (Class A RBC Residential Building Contractor/General Contractor/Construction Manager, Home Improvement/Salesman, and Commercial & Residential Contractor in Virginia and DC.
More Than a Contractor
A Construction Partner You Can Trust
Every construction project is a significant investment. Whether you're remodeling your family home, expanding your living space, building a new home, or renovating a commercial property, you deserve a contractor who values your investment as much as you do.
At Cosmo Builders, we believe successful projects are built on more than quality materials—they're built on trust, communication, accountability, and careful planning.
Our team works closely with homeowners, business owners, architects, engineers, designers, suppliers, and local building departments to help keep projects organized from concept through completion. We focus on providing clear communication, realistic expectations, professional project management, and quality workmanship throughout every phase of construction.
From obtaining permits and coordinating inspections to managing schedules, budgets, subcontractors, and final quality reviews, we strive to make the construction process straightforward and stress-free.
Whether your project is a kitchen remodel, bathroom renovation, home addition, basement finishing, custom home, commercial renovation, tenant improvement, or complete design-build project, our goal remains the same—to deliver quality results while earning your confidence every step of the way.
Our Promise to Every Client
- Professional guidance from consultation through project completion.
- Honest communication and transparent project planning.
- Skilled craftsmanship using quality materials.
- Code-compliant construction that meets applicable local requirements.
- Respect for your property, your budget, and your timeline.
- A commitment to building lasting relationships through dependable service.
We measure our success not only by the projects we complete, but by the trust we earn from homeowners, business owners, property managers, and clients who confidently recommend Cosmo Builders to their family, friends, neighbors, and colleagues.
Building Homes. Building Businesses. Building Trust.
Awards & Recognition
Recognition Earned Through Quality, Service & Professionalism
At Cosmo Builders, we believe recognition is earned through dedication, quality workmanship, and a commitment to serving clients with integrity.
Our historical construction experience includes projects supporting the U.S. Army, U.S. Department of Defense (DoD), USAID, government agencies, and private-sector clients. We are proud to have contributed to projects that supported those who serve our country and communities. The appreciation certificates, awards, and professional recognitions displayed here reflect years of hard work, accountability, leadership, and successful project delivery.
As you explore our historical project photos and certificates, you may recognize familiar locations, organizations, or even projects connected to your own service or career. These milestones represent the experience and values that continue to guide Cosmo Builders today.
Historical Projects • U.S. Army • DoD • USAID • Awards • Appreciation Certificates • Past Performance
Built on Experience. Inspired by Service. Trusted to Deliver
Past Performance
Although a newer addition to Northern Virginia and the DC area, Cosmo Builders has a long history of success working with the United States on projects in the public sector overseas. We have successfully delivered over 94 Construction projects as prime contractor for US Army, US Agency for International Development (USAID), NATO, and Afghanistan’s government over a span of 14 years.
Our overseas business is the foundation of our company, and it fortifies our work here in the United States. Our continued success overseas has allowed us to expand our business to move into the US markets of Northern Virginia and DC.
Please see our work Exterior Construction website.
we’re delighted to invest in our portfolio with local remodeling and building new construction projects throughout Northern Virginia and DC.
Please have look to our global outlook Construction website for our history.
Historical Project Portfolio & Photo Gallery
Our Experience Speaks for Itself
Explore a collection of residential, commercial, infrastructure, and institutional projects successfully completed throughout our history. These project photographs highlight our commitment to quality workmanship, effective project management, regulatory compliance, and successful project delivery.
Real Projects. Proven Results. Decades of Experience.
Historical Project Portfolio & Photo Gallery
More Than 100 Successfully Delivered Projects — Our Work Speaks for Itsel
Real Projects. Proven Results. Built on Trust.
Discover how Cosmo Builders has grown over the years by exploring our historical project portfolio, showcasing more than a decade of residential and commercial construction, remodeling, renovation, and design-build projects. View project photos, awards, appreciation certificates, and past performance that reflect our commitment to quality craftsmanship and professional service.
Explore Our Construction Services
Whether you're planning a home renovation or a commercial construction project, Cosmo Builders provides professional design-build solutions backed by quality craftsmanship, experienced project management, and trusted service throughout Northern Virginia.
Residential Remodeling & Home Construction
Transform your home with custom remodeling, additions, kitchens, bathrooms, basements, roofing, decks, and new home construction.
Explore 10+ Years of Projects, Photos & Services
Learn More
Commercial Construction & Remodeling
From office renovations and tenant improvements to restaurants, retail spaces, medical offices, warehouses, and commercial build-outs, Cosmo Builders delivers reliable commercial construction solutions designed for your business.
Explore Commercial Projects, Renovations & Construction Services
Learn More
Mission
We build on a foundation of trust with our clients, employees, vendors, and partners. We hire the right people by maintaining the highest level of safety, integrity, and innovation. We strive to bring innovation to commercial contracting, with low but effective costs and environmentally sound practices to deliver successful and sustainable projects.
Vision
Our dream is to be a well-known commercial contractor in the US, renowned for professionalism, environmentalism, and customer satisfaction.
Financing
Fund your project as soon as tomorrow!
Cosmo Builders has partnered with Hearth so we can help you find financing options that best fit your construction needs. Complete this quick financing request to see what loan options you pre-qualify for. Seeing options won’t affect your credit score! Click here to apply
Let’s Build a Partnership
Here at Cosmo Builders, we love working with local businesses, Homeowners, and Investor. We often have need of vendors, Subcontractors, suppliers, and other services offered by companies in the Northern Virginia and DC areas. If you are a locally owned and operated business offering construction materials, heavy equipment rental, or construction and office supplies, we welcome you to contact us to partner directly. We also love to support local small businesses offering products and services of interest to our customers. If you enjoy giving back to your community, we want to help you grow!
Call us today!
We ‘re always looking for develop new relationship with clients, business partners and team.
Give us a call at 703-835-1831 or Email bid@cosmobuilders.com
Learn More About Cosmo Builders
Cosmo Builders is well established across the internet as a prime commercial contractor. We are listed on several websites with general contractor listings, all with excellent reviews and testimonials. You can find us on the following construction and home improvement sites:
You can learn more about us, our goals, our current projects, and more by following us on Instagram and
Facebook. We also post videos regularly on our YouTube channel, where you can learn about our process and helpful tips for a successful commercial construction or remodeling project.
