Bathroom Remodeling Contractor in Washington, DC
Bathroom Remodeling Services We Offer in Washington, DC
From rowhouse master bathrooms and hall baths to English basement bathroom additions and condo unit renovations, DMV-GC Group's DLCP-licensed team handles the full range of bathroom renovation needs across the District.
Bathroom Remodeling in DC Rowhouses — What's Different
DC's residential fabric is built on the rowhouse — narrow, deep homes typically 14–20 feet wide, built in tight blocks across every neighborhood. Bathrooms in these homes were usually added in the 1920s–1940s, carved out of existing bedroom space. They tend to be compact, and they come with a specific set of considerations that don't apply to newer construction.
🏠 What DC Rowhouse Bathroom Renovations Typically Involve
- Small footprints — most original rowhouse bathrooms are 35–55 sq ft. Layout optimization within a tight space — efficient storage, correct fixture sizing, and smart tile choices — matters more here than anywhere else.
- Cast iron drain stacks — most DC rowhouses have original cast iron plumbing stacks running vertically through the home. These are durable but sometimes need section replacement if corroded. Our plumbers inspect and advise during the consultation.
- Galvanized supply lines — older rowhouses often still have galvanized steel supply pipes that restrict water pressure. A bathroom renovation is the best opportunity to replace galvanized with copper or PEX in the affected area.
- Older electrical — many DC rowhouses have electrical panels and wiring that predate modern bathroom code requirements (GFCI protection, dedicated circuits for certain appliances). Our licensed electricians assess and update during renovation.
- Party walls — shared structural walls with neighboring rowhouses limit where plumbing can be relocated. Our plumbers and structural team assess party wall conditions before any layout change is finalized.
- Knob-and-tube wiring — present in some older DC rowhouses, especially in NW and NE neighborhoods. Must be assessed by a licensed electrician before renovation begins — and bathroom GFCI requirements must be met in the updated space.
English Basement Bathroom Additions in DC Rowhouses
One of the most common — and most valuable — bathroom projects DMV-GC Group completes in Washington, DC is adding a full bathroom to an English basement unit. An English basement (also called a garden-level or lower-level unit) is a semi-below-grade level in a DC rowhouse that is increasingly converted to a separate rental unit or in-law suite. A bathroom is essential to make these units functional and legal as rental spaces.
The central challenge in a below-grade bathroom addition is drainage. Unlike an above-grade bathroom where gravity carries wastewater to the drain stack naturally, a below-grade bathroom may sit below the level of the main sewer line — meaning gravity drainage isn't possible without additional engineering.
🔧 How Below-Grade Bathroom Drainage Works in DC Rowhouses
- Gravity drain (preferred) — if the basement floor elevation is above the street sewer line, standard gravity drainage can be used. Our plumbers verify this with a sewer elevation assessment at your specific property.
- Ejector pump system — if the basement floor is below the sewer line, an ejector pump (macerator pump) is required. The ejector pump grinds waste and pumps it up to the main drain stack under pressure. DMV-GC Group installs ejector systems as a standard part of below-grade bathroom additions when needed.
- Permit requirements — all below-grade bathroom additions in DC require DOB plumbing permits, and the drainage approach must be specified in the permit drawings. We handle all of this in-house.
- Trenching for floor drain — connecting a basement bathroom drain to the existing drain stack often requires cutting through the concrete basement floor to run new drain lines. DMV-GC Group's crew handles concrete cutting and patching as part of the bathroom addition scope.
- Waterproofing — below-grade bathrooms require especially robust waterproofing given the moisture conditions at or near grade. We apply a continuous membrane system to all shower and wet areas.
Bathroom Renovation Types Most Common in Washington, DC
Rowhouse Hall Bath
The shared bathroom on the upper floor of a DC rowhouse — typically the home's original bathroom. New tile, tub or shower conversion, updated vanity and fixtures. Most common renovation in DC.
Rowhouse Master Bath
Many DC rowhouse owners carve a master en-suite from adjacent bedroom or closet space. Walk-in shower, custom tile, and a double or floating vanity are the typical scope.
English Basement Addition
Adding a full bathroom to a DC rowhouse's English basement unit — one of the highest-ROI projects in DC real estate. Requires below-grade plumbing assessment and often an ejector pump system.
Condo / Co-op Bath
Bathroom renovations in DC's condo and co-op buildings — requires building management coordination (COI, elevator scheduling, work-hour compliance) and sometimes co-op board approval.
Tub-to-Shower Conversion
Converting an underused tub to a walk-in shower is extremely popular in DC rowhouses where bathroom space is limited. Maximizes usable shower space in a compact footprint.
Powder Room
Half-bath additions or refreshes in DC rowhouses and condos. Often the most visible bathroom in the home for guests — a design-forward powder room adds real value in any DC home.
Bathroom Renovations in DC's Historic Districts
Many of DC's most desirable rowhouse neighborhoods — Capitol Hill, Georgetown, Dupont Circle, Logan Circle, Kalorama, and others — are designated historic districts where exterior changes require review by the Historic Preservation Review Board (HPRB). Interior bathroom renovations that don't affect the home's exterior typically don't require HPRB review. However, bathroom additions that would require changes to exterior walls, windows, or rear facades may trigger the process.
Why Washington DC Homeowners Choose DMV-GC Group
DC's bathroom renovation market has a persistent problem: contractors who advertise in DC but only hold Maryland licenses, are unfamiliar with DC's DOB permit process, and haven't worked on the specific construction type — century-old rowhouses with cast iron drains, galvanized supply, and shared party walls — that dominates the DC residential market.
DMV-GC Group holds a proper DLCP license, employs licensed plumbers who understand below-grade drainage and DC drain stack configurations, and has navigated the DC DOB permit process across multiple projects and neighborhoods. When you hire us for a DC bathroom renovation, you're getting a team that actually knows DC construction — not a Maryland contractor guessing their way through it.
🏡 Washington DC Bathroom ROI: An English basement bathroom addition in a DC rowhouse — enabling legal rental of the basement unit — is one of the highest-ROI projects available to DC homeowners, frequently returning 100–130% of the renovation cost in added property value and rental income potential. A master bathroom renovation in a DC rowhouse typically returns 65–80% of its cost in immediate property value.
Serving Washington DC Neighborhoods for Bathroom Remodeling
Capitol Hill
DC's largest historic district — rowhouses from the 1880s–1920s. Hall bath renovations, master en-suite carve-outs, and English basement bathroom additions are the most common projects. HPRB review applies to exterior changes.
Georgetown
DC's oldest neighborhood with strict historic preservation requirements. Interior bathroom renovations are straightforward; any exterior-affecting additions require HPRB coordination, which we manage.
Petworth / Park View
Active renovation market with classic rowhouse stock. Full bathroom gut renovations and English basement additions are extremely common here as homeowners modernize their homes.
Dupont Circle / Logan Circle
Dense historic rowhouse and condo neighborhoods. Bathroom renovations range from condo unit remodels to rowhouse master en-suite conversions, with historic district review for some exterior work.
Columbia Heights / Mount Pleasant
Mix of rowhouses and apartment buildings. Full bathroom gut renovations and English basement additions are common renovation investments in these neighborhoods.
Brookland / Trinidad / NE DC
Growing renovation market. Full bathroom modernizations and English basement bathroom additions are increasingly common as homeowners invest in these neighborhoods.
Bathroom Remodel Cost in Washington, DC
Here is a realistic cost breakdown for bathroom remodeling in Washington, DC. DC costs are comparable to or slightly above Montgomery County given the additional permit process complexity and older construction considerations:
| Bathroom Type / Scope | Typical Cost Range | What's Included |
|---|---|---|
| Powder Room Remodel | $8,000 – $18,000 | New vanity, tile, fixtures, mirror, lighting |
| Rowhouse Hall Bathroom Refresh | $12,000 – $24,000 | New tile, vanity, tub/shower surround, fixtures, lighting |
| Hall Bathroom Full Gut Renovation | $24,000 – $45,000 | Complete demo, new layout, custom tile, vanity, all fixtures, DOB permits |
| Tub-to-Shower Conversion | $8,000 – $20,000 | Demo, drain relocation, waterproofing, tile shower, glass enclosure |
| Master Bathroom Renovation | $32,000 – $65,000 | Walk-in shower, vanity, custom tile, heated floor, all plumbing & electrical |
| Master Bathroom Full Luxury Renovation | $65,000 – $110,000 | Custom cabinetry, spa shower, freestanding tub, large-format tile, premium fixtures |
| English Basement Bathroom Addition | $18,000 – $40,000 | Below-grade plumbing assessment, ejector pump if needed, full bathroom build-out, DOB permits |
| Condo / Co-op Bathroom Renovation | $14,000 – $45,000 | New tile, vanity, fixtures, building coordination (COI, elevator, work hours) |
Our Bathroom Remodeling Process in Washington, DC
Free In-Home Consultation & Systems Assessment
We visit your DC home, assess your existing bathrooms, evaluate plumbing supply type and drain stack condition, check electrical for any knob-and-tube concerns, and — for basement bathroom additions — assess sewer elevation to determine the drainage approach. No cost, no obligation.
Historic District Determination
We confirm whether your property is in one of DC’s historic districts and whether your project scope would trigger HPRB review. Interior bathroom renovations rarely do — but additions affecting exterior walls may, and we address this upfront.
Custom Design & Material Selection
Our designers develop a layout optimized for your specific bathroom footprint — a 40 sq ft rowhouse bath needs a fundamentally different approach than a 120 sq ft master suite. We guide you through tile, fixture, vanity, and glass enclosure selections calibrated to your space and budget.
DC Department of Buildings Permit Processing
We file all required DOB permits — building, plumbing, and electrical. For English basement additions, we specify the drainage system in permit drawings. For condo projects, we submit all required building management documentation simultaneously.
Demo, Plumbing & Electrical
Our licensed plumbers handle all drain and supply work — including ejector pump installation, cast iron stack repairs, and galvanized pipe replacement where needed. Licensed electricians update all bathroom electrical to current DC code including GFCI protection throughout.
Waterproofing, Tile & Final Finishes
Continuous waterproofing membrane is applied before any tile — non-negotiable on every bathroom project. Our certified tile setters complete all floor, wall, and shower tile. Vanity, fixtures, mirror, lighting, and glass enclosure complete the project before our final walkthrough and 1-year warranty activation.
What Washington DC Homeowners Say About DMV-GC Group
"We added a bathroom to our English basement on Capitol Hill to make it a legal rental unit. DMV-GC Group assessed the sewer line, installed an ejector pump, and built a beautiful bathroom that makes the basement a fully functional apartment. It rented the first week we listed it."
"Our Petworth rowhouse hall bathroom was original 1920s — tiny and dated. DMV-GC Group did a full gut renovation, converted the tub to a large walk-in shower, and it went from embarrassing to our favorite room in the house. They handled the DOB permit without us having to do anything."
"We're in a co-op in Dupont Circle and were nervous about getting board approval and managing the building requirements. DMV-GC Group had clearly done this before — they prepared all the documentation, scheduled the elevator, and there wasn't a single complaint from the building. Beautiful bathroom."
"When they opened up our Georgetown bathroom wall they found the galvanized pipes had basically closed off from corrosion — our water pressure was terrible. They replaced everything and now the shower actually works properly. And the renovation itself is stunning — large format marble tile throughout."
⭐ 4.9-star rated with 97+ verified reviews across Google, Houzz, and Angi. DMV-GC Group is a DLCP-licensed bathroom remodeling contractor trusted by DC homeowners from Capitol Hill to Georgetown to Brookland.
Serving Washington DC and Surrounding Areas for Bathroom Remodeling
Also serving Chevy Chase, MD — directly across the DC line
DMV-GC Group completes bathroom renovations throughout Chevy Chase, MD, which borders Washington DC's Chevy Chase neighborhood. Whether your property is in the District or just across the line in Maryland, we hold the proper license for either jurisdiction. View our full bathroom remodeling service page →