Basement Finishing
Basement Bathrooms in Northern Virginia
Adding a bathroom to a basement usually means running new plumbing to a space that wasn't originally built for it. Basement Battalion handles those plumbing runs — including a sewage ejector system where required — plus the tile, vanity, and fixture installation for a full or half bath.
Licensed, Insured & Bonded
VA DPOR #2705187519
Since 2019
Kenney Construction, Inc.
Hours
Monday – Saturday, 8:30 AM – 6:00 PM
(703) 731-9208
Call for an estimate
What's typically included
- New plumbing runs for a below-grade bathroom
- Sewage ejector systems, when required
- Full or half bath layouts
- Tile, vanity, and fixture installation
Basement Bathrooms cost
Typical Northern Virginia reference ranges from our cost guide. They are a starting point, not a quote; your price depends on scope, materials and site conditions.
Basement Bathrooms
Adding a full or half bath to a basement, including new plumbing runs.
$15,000–$35,000
See the full cost guide for more services, or request an estimate below.
How a basement bathrooms project works
- 01
Consult
Review goals, pain points, budget priorities, and the existing space.
- 02
Design
Develop the layout plan, material direction, and project scope.
- 03
Select
Finalize flooring, fixtures, lighting, and finishes.
- 04
Build
Complete framing, rough-ins, installations, and finish work.
- 05
Complete
Review final details, address closeout items, and turn over the finished space.
Before you start
- Moving walls, plumbing or electrical can require structural review and permits. The written scope should say who handles them.
- Fixture, appliance and material choices drive lead times, so confirm selections early to keep the schedule on track.
- Scope and finish level set most of the price. The cost guide shows typical ranges before you request an estimate.
Basement Bathrooms questions
How much does basement bathrooms cost?▸
The typical Northern Virginia reference range is $15,000–$35,000. Adding a full or half bath to a basement, including new plumbing runs. Your price depends on scope, materials and site conditions. Request an estimate for a number specific to your project.
Who actually does the work?▸
Basement Battalion is a division of Kenney Construction — the same licensed, insured, and bonded company (VA DPOR #2705187519) handles the work, not a subcontracted third party.
What areas do you serve?▸
Herndon, Reston, Great Falls, McLean, Vienna, Ashburn, Sterling, Aldie, Oakton, Chantilly, Centreville, and South Riding, Virginia.
What are your hours?▸
Monday – Saturday, 8:30 AM – 6:00 PM.
Do you provide written estimates?▸
Yes — every project gets a written scope so you know what's included before work starts.
What's an egress window and do I need one?▸
Any basement bedroom needs a code-compliant egress window for emergency exit. If you're finishing a room as a bedroom, an egress window is required, not optional.
Can an unfinished basement be turned into a bathroom or bar?▸
Yes — both require new plumbing runs to the space, which we handle as part of the project. A basement bathroom may also need a sewage ejector system depending on your plumbing layout.
What's involved in finishing a basement?▸
Framing, insulation, drywall, electrical, flooring, and finishes, plus any specific spaces you want — a bathroom, a bar, a home gym, or an entertainment room. We scope the full project before work starts.
How do I request a basement estimate?▸
Call (703) 731-9208 or submit the online estimate form and we'll follow up to schedule a time.
More answers on our FAQ page.
Where we do basement bathrooms
Basement Battalion provides this service across Northern Virginia:
- Basement Bathrooms in Herndon
- Basement Bathrooms in Reston
- Basement Bathrooms in Vienna
- Basement Bathrooms in Great Falls
- Basement Bathrooms in McLean
- Basement Bathrooms in Oakton
- Basement Bathrooms in Chantilly
- Basement Bathrooms in Ashburn
- Basement Bathrooms in Sterling
- Basement Bathrooms in Aldie
- Basement Bathrooms in Centreville
- Basement Bathrooms in South Riding
More basement finishing services
- Full Basement Finishing
- Basement Bars & Entertainment Spaces
- Egress Windows
- Basement Flooring
- Basement Electrical & Lighting
Request an Estimate
Prefer to talk? Call (703) 731-9208.