Top Rated General Contractor in Loudoun County, VA
General Contracting in Loudoun County, VA
At Mosaic Design & Build, we offer expert general contracting services in Loudoun County, VA,blending craftsmanship, precision, and a deep understanding of local needs. For over eight years, we’ve been helping homeowners and businesses bring their visions to life—whether it’s a custom dream home, a modern kitchen upgrade, or a fresh look for your commercial space.
We’re more than just contractors—we’re your neighbors, and we care about every project like it’s happening in our own backyard. From concept to completion, we manage every detail so you don’t have to.
Proudly Recognized for Excellence by Leading Industry Organizations
What We Offer
Our Expert Contracting Services
From small updates to large-scale builds, our services are designed to fit your space, budget, and style.
Building a home from scratch is a big decision we make the process smooth and rewarding. We collaborate closely with you from initial designs to final walk-through, ensuring your new home reflects your personality, needs, and long-term goals.
Looking to breathe new life into your home? We tackle everything from major overhauls to focused renovations. Whether it’s modernizing your kitchen, opening up your living space, or upgrading your bathroom, we bring creative solutions and skilled hands to every square foot.
Your business space should support your brand and operations. We’ve helped local shops, offices, and service providers transform outdated layouts into welcoming, functional environments that customers and employees love.
Need more room but love your location? Add valuable square footage with additions that feel like part of the original structure. Whether it's a sunroom, home office, or a second-story expansion, we handle design, permits, and construction without disrupting your routine.
We specialize in bathroom remodels designed for comfort, style, and lasting function. From smart layouts to timeless finishes and durable materials, we create spaces that work beautifully for everyday life.
Why Choose Us
Why Choose Mosaic Design & Build
Trusted in Loudoun County for 8+ years, we deliver licensed, high-quality builds with local expertise, proven results, and reliable workmanship.
We’ve seen it all, built it all, and keep getting better.
We’re local, so we know the regulations, permits, and climate challenges inside and out.
Your home and your investment are protected.
How We Help
Our Process: Clear, Organized, and Built Around You
We start by understanding your goals, budget, and timeline—whether that’s via phone, Zoom, or in-person.
We draft blueprints, secure permits, and help you select materials that fit your vision and lifestyle.
Our pros get to work, staying on schedule and keeping your site clean and safe and will update about the progress.
You’ll join us for a detailed inspection to make sure everything looks and works exactly as it should.
How to Budget for a Home Addition in Northern Virginia
When planning a home addition in Northern Virginia, understanding the financial landscape is crucial for a successful project. Begin by researching the average cost of house addition projects in your area—typically ranging from $100 to $300 per square foot depending on materials and design choices. For those considering expanding vertically, it’s essential to evaluate the cost for 2 story additions, which can significantly impact your budget due to structural considerations; typically, these projects average between $200 and $400 per square foot. To gauge an accurate addition cost per square foot, factor in local labor rates, permits, and any potential disruptions during construction. Additionally, be mindful of specific costs associated with room additions or specialized spaces like home offices or master suites; understanding the nuances of each will help you refine your budgeting strategy further. As you calculate the overall cost of an addition to a house, consider both direct expenditures as well as contingencies for unforeseen expenses that often arise during construction. By breaking down these components into manageable segments—such as estimating total expenditure based on desired square footage—you’ll gain clarity on what constitutes reasonable expectations within your predetermined budget limits while also preparing for the distinct challenges unique to second-story home additions costs in this region.
What Our Clients Are Saying
Areas We Serve
We’re Loudoun-based and proud to serve nearby communities with the same level of care:
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Herndon
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Chantilly
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Leesburg
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Round Hill
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Gainesville
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Haymarket
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Woodbridge
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Manassas
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Herndon
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Chantilly
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Leesburg
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Round Hill
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Gainesville
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Haymarket
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Woodbridge
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Manassas
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Great Falls
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McLean
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Vienna
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Oakton
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Fairfax
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Burke
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Sterling
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Reston
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Great Falls
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McLean
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Vienna
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Oakton
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Fairfax
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Burke
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Sterling
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Reston
Frequently Asked Questions
Yes, we’re fully licensed and insured for all residential and commercial work.
Kitchen or bathroom remodels typically run 3–6 weeks. Additions and custom builds can vary based on scope and weather.
We manage every permit and inspection so you don’t have to chase paperwork or worry about compliance.
Only top-rated, brand-name materials—chosen for durability, function, and style.
Often, yes. We schedule work in phases to minimize disruption. We’ll walk you through what to expect.
Yes. We stand behind our work with labor warranties and honor manufacturer warranties on materials.
Call us or fill out our quick online form. We provide free, no-pressure estimates tailored to your project.
We accept credit cards, checks, and offer financing options to qualified clients.