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Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 9am - 5pm Saturday 9:30am - 4pm Sunday 10:30am - 3:30pm

Cosmo Builders

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United States
McLean, VA
Cosmo Builders

We offer residential and commercial construction & Remodeling services to Northern Virginia and DC

Cosmo Builders – Home Remodeling, Home Builder & Commercial Contractor in McLean, VA

For over 15 years, Cosmo Builders has been a trusted home builder, home remodeling contractor, and commercial renovation company serving McLean, VA, Northern Virginia, and Washington, DC. We specialize in delivering high-quality construction, remodeling, and renovation services for both residential and commercial

projects. Cosmo Builders is a fully licensed Class A Residential Building Contractor (RBC) in Virginia and an insured General Contractor in Washington, DC, providing reliable services with strong project management and attention to detail. Our Services
Residential Construction & Remodeling
Custom Home Building & New Construction (McLean, VA)
Full Home Remodeling & Renovations
Kitchen & Bathroom Remodeling
Basement Finishing & Remodeling
Home Additions & Expansions
Roofing, siding, and exterior upgrades
Decks, railings, and outdoor living spaces
Flooring, painting, electrical, and plumbing

Commercial Construction & Renovation
Restaurant remodeling and build-outs
Retail store renovations and tenant improvements
Office remodeling and workspace upgrades
Hotel and hospitality renovations
Interior and exterior commercial construction
Why Choose Cosmo Builders
15+ years of experience in construction and remodeling
Licensed and insured contractor in VA & DC
Strong reputation for quality workmanship and reliability
Clear communication and organized project management
Cost-effective solutions without compromising quality

Our approach focuses on planning, design, and execution, ensuring every project is completed efficiently and to the highest standards. We work closely with each client to understand their vision and deliver spaces that are functional, durable, and built to last. Our Mission

At Cosmo Builders, we believe a home or business space should reflect your lifestyle, needs, and long-term goals. Whether it’s a new home build in McLean, a home addition in Arlington, a kitchen remodel in Alexandria, or a commercial renovation in Washington, DC, our goal is to deliver results that exceed expectations. Get Started

We understand that starting a construction or remodeling project can feel overwhelming. That’s why our team is here to guide you every step of the way. Call us today at 703-835-1831
Message us for a free consultation and estimate

04/17/2026

We just upgraded an old bathroom into a modern, luxury space!

From outdated to beautiful, functional, and relaxing — this is what we do every day at Cosmo Builders.

No matter the size of your bathroom, we turn it into a warm, comfortable, and stylish space you’ll love. 🛁

Custom Design
Help with Material Selection
Full Bathroom Remodeling
Luxury Finishes & Modern Look
Small or Large Bathrooms — We Do It All

Easy, Stress-Free Process:

Free Consultation & estimate
Design & Planning
Material Selection
Any type of Remodeling

We don’t just remodel — we create spaces that feel like home.

We offer:
• Bathroom Remodels
• Additions
• Expansions

Call today for your FREE estimate & consultation at 703-825-1831
Cosmo Builders

04/16/2026

Just Completed in McLean, VA – Ready for Market!

We recently finished a full interior upgrade project in McLean to help our client prepare their home for sale—and the results speak for themselves

Scope of Work:
Interior Painting (fresh, modern look)
Bathroom Remodeling with detailed finishes
Fixtures Replacement (updated & stylish)
Carpet Replacement (clean & new flooring)
Lighting replacement

The goal? Create a clean, updated, move-in-ready home that attracts buyers and helps sell faster and at a higher value

At Cosmo Builders, we work closely with homeowners and real estate agents to prepare properties before listing—focused on ROI-driven remodeling that makes a real difference in the market.

If you're planning to sell your home in McLean or the DMV area, we can help you:
Increase property value
Improve buyer appeal
Sell faster with confidence

Call us today at 703-835-1831 for a free consultation
Let’s get your property market-ready the right way.

04/15/2026

Cosmo Builders Roofing | Local Contractor You Can Trust (DMV Area)

Looking for a reliable and affordable roofing contractor near you? Cosmo Builders is your local roofing expert, delivering high-quality work at better pricing than large companies—without cutting corners.

Shingle Roofing
Metal Roof Installation
Flat Roof Systems
Roof Leak Repair & Emergency Service
Full Roof Replacement

We’re proud to be a GAF Certified roofing contractor and install CertainTeed roofing systems, ensuring durability and long-term protection for your home.

Local pricing. Honest estimates. No hidden costs.
Serving homeowners across Northern Virginia & DMV area

Call Cosmo Builders today for your FREE roofing estimate & consultation

03/13/2026

Spring Construction Special – Home Additions & Garage Additions (Northern Virginia)

Thinking about adding more space to your home this year? Cosmo Builders is offering a limited-time 25% OFF Labor & Project Management for new Home Addition and Garage Addition projects.

Offer Valid: March 13 – May 20, 2026
Promo Code: COSMOOFFER2026

Whether you want a room addition, a garage addition, or a custom home extension, our experienced team can help with the entire process from planning to construction.

✔ Home Additions
✔ Garage Additions
✔ Room Extensions
✔ Structural Construction
✔ Permit Guidance & Project Planning
✔ Full Construction Management

To help you get started, we also offer:

• Free Consultation
• Free Project Estimate
• Preliminary 3D Design Plan to visualize your new space

Cosmo Builders is a Class A Licensed & Insured Contractor serving homeowners across Fairfax, Herndon, Reston, McLean, Vienna, Arlington, Alexandria, Lorton, and throughout Northern Virginia.

If you're planning a home addition, garage addition, or major home renovation, we would be happy to discuss your project.

📞 Call or Text: 703-835-1831
🌐 https://cosmobuilders.com

⭐ See our Google reviews from local homeowners:
https://share.google/35bhMgobr0q5RYfQl

02/03/2026

Professional Interior & Exterior Painting Services

Looking for a reliable painting contractor in McLean VA or Fairfax VA?
Cosmo Builders is here to help bring new life to your home or business.

We provide clean, high-quality interior and exterior painting services. From single rooms to full house painting, our team focuses on detail, durability, and customer satisfaction.

Interior painting
Exterior house painting
Trim, doors, windows, closet & walls
Surface prep & light repairs
Residential & commercial projects

We use quality paint, protect your space, and finish on schedule.

Serving McLean, VA | Fairfax, VA | Northern Virginia
Message us today for a free painting estimate

Local • Professional • Trusted

11/20/2025

Nothing makes us prouder than a satisfied customer! Take a look at this finished stone paver installation — clean, durable, and built to last. Cosmo Builders is your trusted team for outdoor construction. ”
• “A beautiful finish for a wonderful client! These stone pavers add both style and strength to the property. Another project completed with 5-star satisfaction.

11/19/2025

Cosmo Builders Plumbing Services in the DMV

Cosmo Builders provides complete plumbing services for residential and commercial projects across the DMV area. Our certified and licensed plumbers handle everything from rough plumbing to final fixture installation, as well as simple repairs. We pull permits, complete full plumbing installations, and make sure your project passes county inspections. Every plumbing job includes a two year labor warranty.

If you want one general contractor who can take care of your entire construction project, we offer cost effective service, faster timelines, and reliable results. Our team delivers high quality plumbing work for restaurant kitchens, bathrooms, ground plumbing, and full remodels.

Visit our plumbing photo album to see how our team works and the results we deliver. Whether you need new plumbing, a remodel, commercial installation, or repairs, Cosmo Builders is ready to help.

Call today to schedule an appointment and receive an estimate.
703-835-1831
Email: [email protected]

Cosmo Builders. Skilled, reliable, and committed to quality.

11/18/2025

Upgrade Your Floors with Cosmo Builders – Competitive Prices Across DMV

Looking to upgrade your home or business space with beautiful new floors?
Cosmo Builders is offering hardwood, laminate, luxury vinyl plank (LVP), waterproof flooring, and carpet replacement at some of the most competitive prices in the DMV area.

We work with all budgets, from high-end finishes to standard options, and we bring the samples directly to you. Choose any color, style, or design, and our team will handle everything from removal to installation, often in just one day.

Pricing

Hardwood, laminate, LVP, and waterproof floors starting at 3 dollars per square foot
Carpet replacement starting at 3.10 dollars per square foot

Why Choose Cosmo Builders

Fast and professional installation
Competitive pricing
Wide selection of materials
We bring samples to your home
Serving the entire DMV area

Your new floors are one day away. Improve your space with comfort, quality, and a clean new look.

Call now to schedule your appointment. 703-835-1831
Cosmo Builders – Your trusted local remodeling team.

View our Google Business Profile:
https://maps.app.goo.gl/593ASjmCnUB92AnP9

See photos, reviews, services, and book your appointment with Cosmo Builders.

11/08/2025

COMMERCIAL FRAMING & CONSTRUCTION SERVICES – COSMO BUILDERS

Looking to expand your business, remodel your space, or build something new?
Cosmo Builders has you covered — from design to permits to construction, all under one roof!

We specialize in commercial framing for all types of projects:
Additions, extensions, and structural support
Metal and wood framing — any grade or size
New construction, remodels, and business expansions
Office buildouts, retail, and restaurant projects

Serving the DMV area (DC, Maryland, Virginia) with quality, precision, and care.
Our expert crew delivers strong, code-compliant structures built to last — every time.

Check out our Metal Framing Album to see how our team is doing a great job for our amazing clients!

Call us today to book your FREE appointment! 703-835-1831
Let’s make your next commercial project a success.

www.cosmobuilders.com

View our Google Business Profile:
https://maps.app.goo.gl/593ASjmCnUB92AnP9

See photos, reviews, services, and book your appointment with Cosmo Builders.

11/04/2025

Design • Permitting • Construction — All Under One Roof

At Cosmo Builders, we make the building process simple and stress-free. From your first idea to approved plans and the start of construction, our team guides you every step of the way.

We have licensed architects and certified engineers who help you design your project based on your space, budget, and modern style. Our permitting team takes care of county submissions, communicates with reviewers, and gets your plans approved without hidden fees or long delays.

We proudly serve the DMV area — Northern Virginia, Washington DC, and Maryland — offering complete design-build services for homeowners, developers, and business owners. Whether you’re planning a kitchen remodel, home addition, or a new custom build, we handle everything under one roof.

Our services include architectural design, 3D floor plans, structural and MEP engineering, budgeting, site plans, and full permitting support. With over 100 approved projects, we bring real local experience and reliable results to every build.

Let’s turn your vision into a space you’ll love.

Call or text 703-835-1831
Visit www.cosmobuilders.com

Email [email protected]

Address

1765 Greensboro Station Place Tower 1, Suite 900
McLean, VA
22102

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	9am - 5pm
Saturday	9:30am - 4pm
Sunday	10:30am - 3:30pm

Telephone

+17038351831

Website

http://www.cosmobuilders.com/

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