About 5 mi from our Waltham shop
Bathroom remodeling in Lexington, MA
Most Lexington bathroom remodels need only trade permits through OpenGov; a new street-facing window in a historic district needs a certificate first.
Bathrooms are the least regulated room in town as far as Lexington's local bylaws go. The work runs on building, plumbing and electrical permits filed online through the town's ViewPoint Cloud system, and the Building Office lists separate inspector lines for plumbing and electrical, so we book each trade's rough and final inspections as the job moves.
Two local wrinkles come up. A bathroom added under a sloped roof has to respect the half-story rule, which limits the area with five feet of headroom to 40% of the floor below, and a dormer to fit a shower can't run more than half the roof's length. And if the house is on one of the four Mass Ave historic districts, replacing a visible bathroom window with a different style needs the Historic Districts Commission's sign-off.
Lexington rules that apply
What Lexington requires for bathroom remodeling.
- 1
Historic district certificates
In the Battle Green, Hancock-Clarke, Munroe Tavern and East Village districts, most exterior changes visible from a public way, including additions, demolition and new construction, need a certificate from the Historic Districts Commission before a building permit issues. In-kind repairs and work not visible from the street are generally exempt.
Source: Lexington Historic Districts Commission: Design Review Guidelines, 2019 (PDF)
- 2
Fossil-fuel-free bylaw
Since March 21, 2024, Lexington issues no building permits for new construction or major renovation that installs new on-site fossil fuel infrastructure. Major renovation covers gut jobs over 50% of the home and residential additions over 1,000 square feet, with waivers possible from the Building Commissioner.
Source: Town of Lexington: Fossil Fuel Free Demonstration Program
Our bathroom remodeling work.
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Photos from our jobs around Greater Boston.
Questions
Bathroom remodeling in Lexington, answered.
Does a Lexington bathroom in the attic count as a half story?
It can, and then the area with five feet or more of headroom is limited to 40% of the second floor. Any dormer added for it can't exceed half the length of that roof slope.
Bathroom remodeling near Lexington.
Where this information comes from
- Lexington Historic Districts Commission: Design Review Guidelines, 2019 (PDF)
- Town of Lexington: Fossil Fuel Free Demonstration Program
- Town of Lexington: Building Office
- Lexington Building Dept.: Zoning By-Laws to Consider for Residential Construction (PDF)
- Lexington: Gross Floor Area Calculation worksheet, new construction (PDF)
- Lexington Building and Zoning: Proposed Plot Plan Requirements (PDF)
- Lexington: Fence and Retaining Wall Regulations (PDF)
- Lexington: Review standard for basements near seasonal high groundwater (PDF)
- Lexington Historical Commission: Demolition Delay
- Town of Lexington: Current Neighborhood Conservation Districts
- Town of Lexington: Buildings & Development (energy codes)
- Lexington Tree Committee: Tree Bylaw Rules & Regulations Quick Start Guide
- Town of Lexington: Accessory Dwelling Units (ADUs)
- Lexington Conservation Commission: Wetland Protection Code Rules, amended 2021 (PDF)
- Harvard Magazine: The Modern Revolution (2015)
Rules change. These are summaries of Lexington's and Massachusetts' published rules as of our last check, not legal advice; your project's permits are confirmed with the town when we file them.
Free estimate
Planning bathroom remodeling in Lexington?
We'll come out, measure, listen, and send a written estimate. The visit is free and there's no pressure to sign.
Call 617-934-1875