ADU Builder in
Fairfax Station, VA
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What Our Clients Say
Self-Contained ADU Services in Fairfax Station, VA
Serving Fountainhead, Station Manor, Crosspointe, and surrounding estate communities, we craft high-end, self-contained secondary residences designed for private multi-generational living.
Detached ADU (Backyard Cottage)
A 100% standalone 2nd home built in your backyard — featuring private kitchen, bath, and utility setups. Ideal for Fountainhead, Station Manor & Crosspointe lots to maximize rental income.
Garage Conversion ADU
Transform an existing detached or attached garage into a fully conditioned, legal studio or 1-bedroom ADU apartment with separate exterior access.
Basement ADU (Lower-Level Unit)
Convert your walkout or daylight basement into a legal secondary residential unit complete with legal egress, private kitchen, bath, and separate entrance.
Attached ADU (In-Law Wing)
An independent residential wing attached to the primary home — equipped with its own private entrance, kitchenette, and living quarters for aging parents or family.
Custom Architectural ADU Design
In-house architectural plans, 3D renderings, and site layouts custom-tailored to Fairfax Station lot topography, setback limits, and HOA covenants.
Fairfax Station Permitting & Zoning
We manage 100% of City of Fairfax Station Department of Planning & Zoning approvals, lot coverage reviews, building permits, and inspections end-to-end.
What is an ADU — Independent Living vs. Standard Home Addition
An Accessory Dwelling Unit (ADU) in Fairfax Station is a fully independent, self-contained secondary home situated on a single-family estate lot. Distinct from standard home additions, a legal ADU features its own private entryway, a custom kitchen or kitchenette, private full bath, and dedicated living space.
The City of Fairfax Station allows 4 distinct ADU typologies: Detached backyard cottages, attached residential wings, garage conversions, and basement units. We handle 100% of City of Fairfax Station zoning compliance, setback verification, and building permit filings for complete peace of mind.
Key ADU Benefits for Fairfax Station Homeowners:
WHY US
Why Fairfax Station Homeowners Choose US Home Design Build
We are dedicated ADU builders with over a decade of hands-on experience across Northern
Virginia communities.
Fairfax Station ADU Specialists
We know the City of Fairfax Station's zoning ordinances, historic district requirements, and building codes inside out.
Full Design-Build Service
One unified team from concept to keys. Architectural design, engineering, permits, and quality construction — all under one single contract.
Transparent Pricing
No hidden charges or surprise invoices. We provide detailed line-item estimates upfront before any construction begins.
4.9★ Google Reviews
Dozens of 5-star ratings from satisfied homeowners across Northern Virginia. Our reputation is built on integrity and craftsmanship.
We Handle All Permits
Local permitting can be stressful. We handle all zoning approvals, architectural submissions, and inspections with local jurisdictions.
Virginia Class A Licensed
Fully licensed, bonded, and insured in Virginia. We build strictly to Virginia Residential Code with comprehensive structural warranties.
HOW IT WORKS
Our Fairfax Station ADU Construction Process
Building an ADU in Fairfax Station is seamless when you partner with the right team. Here’s our proven 5-step roadmap from initial concept to turnkey handover.
1
Free Feasibility
We evaluate your Fairfax Station lot, discuss your design vision, and check zoning setbacks at zero cost.
2
Design & 3D Plans
Custom floor plans, photorealistic 3D renderings, and transparent pricing tailored to your property.
3
Permits & Approvals
We prepare engineering packages and manage all City of Fairfax Station permit submissions seamlessly.
4
Quality Construction
Expert trades build your Fairfax Station ADU to Virginia code with weekly updates and clean worksites.
5
Turnkey Handover
Final municipal inspection, certificate of occupancy, and walkthrough. Your ADU is ready to enjoy or lease.
ALEXANDRIA COMMUNITIES
Fairfax Station Neighborhoods We Serve
US Home Design Build builds custom ADUs across all major neighborhoods in the City of Fairfax Station, VA. Contact us for a free zoning assessment in your area:
Ready to Build Your Fairfax Station ADU?
Join hundreds of Northern Virginia homeowners who trust US Home Design
Build. Request your free, no-obligation consultation today.








FAQ
Fairfax Station ADU — Frequently Asked Questions
Everything you need to know before building an accessory dwelling unit in Fairfax Station, VA.
Are Accessory Dwelling Units (ADUs) legal in Fairfax Station, VA? +
Yes! The City of Fairfax Station updated its zoning ordinance to allow both detached backyard ADUs and interior ADUs (basement/garage conversions) on qualifying single-family lots, subject to setback and lot coverage regulations.
How much does it cost to build an ADU in Fairfax Station? +
ADU costs in Fairfax Station typically range from $120,000 to $280,000 depending on the type (garage conversion vs. new standalone detached cottage), square footage, site utility hookups, and finish selections.
Do I need a building permit to build an ADU in Fairfax Station? +
Yes. Every legal ADU requires site plan review, zoning compliance verification, building permits, and trades permits (electrical, plumbing, HVAC) from the City of Fairfax Station Department of Planning & Zoning. US Home Design Build handles 100% of permit filings on your behalf.
Can I rent out my Fairfax Station ADU for passive income? +
Yes. Long-term residential leasing is permitted under Fairfax Station ADU rules, providing homeowners with strong recurring rental cash flow in desirable neighborhoods like Fountainhead, Station Manor, and Crosspointe.
How long does the entire ADU design-build process take? +
The entire process usually takes 4 to 7 months from initial architectural drafting and permit approval through foundation, framing, and final occupancy inspection.
Why choose US Home Design Build for my Fairfax Station ADU? +
We are local Northern Virginia design-build specialists with over a decade of experience, a 100% permit approval rate, transparent fixed pricing, and a 10-year structural warranty.
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