Compare Boston bathroom remodel estimates side by side. Call (855) 215-7855 or describe your project once and participating local pros send Risk-Free Estimates. No obligation.
What bathroom remodeling services are available in Boston?
Participating Boston pros handle full remodels of triple-decker, brownstone and single-family bathrooms, condo bathroom renovations, second bathroom additions, basement bathrooms, walk-in showers, tub-to-shower conversions, radiator replacement, bath liners for rental units, fixture replacement and accessibility upgrades. The most common Boston job is the triple-decker bathroom gutted and rebuilt with the stack replaced in scheduled shutoffs. The most common complication is a condo association or a shared stack that sets the calendar.
Full bathroom remodels. The triple-decker or brownstone bathroom: open the plaster, replace the cast-iron stack and galvanized supply, correct the venting, insulate the exterior wall, add an exhaust fan ducted outside, and rebuild in a room that may be five feet wide. In Roslindale, West Roxbury and Hyde Park it is the single-family hall bath brought current.
Triple-decker bathrooms. Dorchester, Roxbury, JP, Southie and Eastie. One stack serves three floors, and the owner usually lives on one of them. Pros plan the stack work and shutoffs in short windows so the other units keep water, and a bath liner over a sound tub is a one-day option for a rental floor.
Condo bathrooms. South End, Back Bay, Beacon Hill, Charlestown, the Seaport. The association's alteration policy, the contractor's insurance certificate, work hours, wet-over-dry rules and scheduled water shutoffs shape the scope. Plumbing in Massachusetts is performed by state-credentialed plumbers, and the estimate should say who.
Second bathrooms. Many Boston houses have had one bathroom per floor since 1910. A half bath under the stairs or a full bath carved from a rear bedroom is a frequent request and a plumbing-path conversation first.
Walk-in showers and tub-to-shower conversions. Requested in West Roxbury, Roslindale, Hyde Park and Brighton and by anyone planning to stay in a house with stairs. Benches, hand-held sprays and grab-bar blocking.
Radiator replacement, bath liners, fixture replacement, floor tiling, accessibility. For a seated bathing option see walk-in tubs.
Why are Boston bathrooms different?
Boston bathrooms are old, small and shared: cast-iron stacks across three floors, lath and plaster, uneven joists, pre-1978 paint and sometimes asbestos tile, condo associations and the Inspectional Services Department. Winters freeze exterior-wall plumbing, summers are humid, and MWRA water from the Quabbin is so soft that scale never enters the conversation.
Stacks shared across floors. In a triple-decker or converted brownstone the stack behind your bathroom serves the other units. Replacing it is a whole-house job and the estimate should say whether it is in scope and how the other floors stay in service.
Lath, plaster and uneven floors. Pre-war walls are plaster on wood lath and framing is rarely plumb. Floors in older houses often slope across the room, which affects curbless showers and linear drains.
Lead paint and asbestos. Painted trim from before 1978 falls under the EPA's renovation rules when disturbed, and Massachusetts has its own lead-safe requirements for homes with children under six. Mid-century floor tile and mastic may contain asbestos and should be tested before demolition.
The cold. Supply lines in exterior walls freeze; remodels move them inboard and insulate and air-seal the wall. Upstairs bathroom air that reaches a cold roof deck feeds ice dams; the fan is ducted through the roof or wall.
Very soft water. Quabbin and Wachusett water is among the softest in the country. Glass stays clear; soft water is slightly aggressive toward old galvanized pipe, one more reason supply lines get replaced.
Permits and districts. Boston's Inspectional Services Department permits plumbing, electrical and structural work. Landmark districts such as Beacon Hill, Back Bay and the South End regulate exteriors, so interior bathroom work rarely needs review, but a new vent through a street-facing wall can. Condo associations add their own approval. Brookline, Cambridge, Somerville, Newton and Quincy issue their own permits.
How much does a bathroom remodel cost in Boston, and how long does it take?
A mid-range full remodel of a Boston triple-decker, brownstone or single-family bathroom typically runs $28,000 to $60,000, including stack and supply work, and a tub-to-shower conversion $11,000 to $24,000. Condo projects add for the association's requirements and run on the building's calendar. Boston is among the most expensive markets in the country. Conversions take two to five working days and full remodels three to six weeks, with permits and association approvals adding three to eight weeks before that.
- Tub-to-shower conversion: $11,000 to $24,000, two to five working days.
- Full remodel with stack and supply replacement: $28,000 to $60,000, three to six weeks of construction.
- Second bathroom added in a triple-decker or single-family: usually $32,000 to $65,000 depending on the plumbing path.
- Stack replacement shared across a triple-decker: $6,000 to $14,000 of the total, scheduled in short shutoffs.
- Condo bathroom: budget extra for the association packet, insurance certificates, elevator and protection, and restricted hours; the calendar stretches more than the price.
- Permit: Boston Inspectional Services Department, filed by the pro. Allow three to eight weeks for permits and any association approval before construction.
Which Boston neighborhoods do we hear from most?
Dorchester, Roxbury and Jamaica Plain, triple-deckers with shared stacks and owner-occupants. South Boston, East Boston and Charlestown, triple-deckers, rowhouses and new condos side by side. The South End, Back Bay and Beacon Hill, brownstone and condo bathrooms with association rules. Roslindale, West Roxbury and Hyde Park, single-family homes ready for walk-in showers and second bathrooms. Brighton and Allston, two-families and condos where durable fast work matters.
How does the bathroom remodel process work in Boston?
The process has four steps: a consultation that traces the stack, checks the floor level, exterior wall and any lead or asbestos-era materials, and collects the association's requirements where there is one, written estimates compared side by side, construction, and a final walkthrough. In Boston the time before construction is the long part: permits and association approvals take three to eight weeks, so allow three months of calendar time for a full remodel.
- Consultation. Submit the form or call. Participating pros that serve your Boston zip code visit, measure, trace the stack and vent, check for lead and asbestos-era materials, and review the association's policy where there is one.
- Design and estimates. Written estimates with scope, materials, what happens to the stack, who the plumber is, and a schedule that includes filing and approval time. Compare them side by side.
- Construction. Conversions take two to five working days. Full remodels run three to six weeks, within the building's hours where rules apply.
- Final walkthrough. Fixtures run, fan tested, inspections signed off, then final payment.
Compare written estimates from participating Boston pros. Call (855) 215-7855 or request Risk-Free Estimates.
Recent projects and reviews in Boston
Frequently asked questions
How much does a bathroom remodel cost in Boston?
Estimates in Boston typically run $28,000 to $60,000 for a mid-range full remodel including stack and supply work and $11,000 to $24,000 for a tub-to-shower conversion. Condo requirements and second-bathroom plumbing paths push the number up. Written estimates from more than one pro are the only reliable number in this market.
I own a triple-decker. Can one bathroom be remodeled without shutting off the other floors?
Yes, a Boston triple-decker bathroom can be remodeled with the other units kept in service. Pros schedule the stack work and shutoffs in short windows and tell tenants in advance. If the whole stack is replaced, expect one longer scheduled shutoff.
What does my condo association need before I can start?
A Boston condo association typically needs its alteration form, a scope description, the contractor's insurance certificate meeting the building's limits, the plumber's information, and sometimes a deposit. Get the policy before the consultation so each pro estimates against the same rules.
Do I need a permit for a Boston bathroom remodel?
Yes for plumbing, electrical or structural changes. Boston's Inspectional Services Department issues it and the pro files it. A cosmetic fixture swap with no plumbing changes generally does not need one.
What about lead paint and asbestos in my 1910s bathroom?
Pre-1978 painted trim falls under the EPA's renovation rules and Massachusetts lead-safe requirements when disturbed, and mid-century floor tile and mastic may contain asbestos and should be tested before demolition. Each pro should say how they handle both in the estimate.
How long will the bathroom be out of service?
Two to five working days for a conversion. Three to six weeks for a full remodel once construction starts. One-bathroom units usually get the toilet back each night.