Entry & Patio Door Installation in Somerville, MA

Somerville, MA at a glance

County

Middlesex County, Massachusetts · 47 places we serve there

From our base

About 28 miles east

Building permits

Somerville's building department

Contractor rules

MA Home Improvement Contractor registration (M.G.L. c.142A)

Nearest documented door installation project

Two-Story Addition and Exterior Remodel in Lynnfield, MA

11 mi north of Somerville

Our documented door installation and other work, by distance:

• Needham, MA: porch addition 10 mi southwest
• Lynnfield, MA: addition and exterior remodel 11 mi north
• Lynnfield, MA: addition framing video 11 mi north
• Framingham, MA: client review of our kitchen remodel 18 mi southwest
• Marlborough, MA: client review of our first-floor remodel 23 mi west
• Hudson, MA: client review of our bathroom remodel 24 mi west
• Mansfield, MA: kitchen remodel 25 mi south
• Westborough, MA: client review of our new siding and windows 28 mi west
• Northborough, MA: client review of our deck and small addition 28 mi west
• Salem, NH: pool deck 28 mi north
• Shrewsbury, MA: client review of our kitchen and bathroom remodel 32 mi west

Permits and rules in Somerville, MA

Ask Somerville's building department whether replacing your exterior door needs a building permit. Unlike a window, a door replacement in a pre-1978 home falls under Massachusetts lead-safe rules (454 CMR 22.00) only when it disturbs more than 6 square feet of painted surface in the room or more than 20 square feet outside.

What's included

• Entry doors
• Patio doors (sliding or hinged)
• Sill pan & flashing
• Weatherstripping & trim

Costs and timelines: our entry and patio door installation guide

Distances: straight line, GeoNames data (CC BY 4.0). Updated October 8, 2026.