
Photo: Vertical siding nearly finished around the arched windows and the new entry door, Lynnfield, MA
Entry & Patio Door Installation in Winthrop, MA
Waterfront Construction Inc, an owner-led general contractor, offers entry and patio door installation in Winthrop, MA. Winthrop is in Suffolk County, about 34 miles east of our Northborough base. Our closest documented door installation project is in Lynnfield, MA, about 12 miles north.
- Insured
Winthrop, MA at a glance
- County
- Suffolk County, Massachusetts · 4 places we serve there
- From our base
- About 34 miles east
- Building permits
- Winthrop'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
12 mi north of Winthrop
Our documented door installation and other work, by distance:
- Lynnfield, MA: addition and exterior remodel 12 mi north
- Lynnfield, MA: addition framing video 12 mi north
- Needham, MA: porch addition 14 mi southwest
- Framingham, MA: client review of our kitchen remodel 23 mi west
- Mansfield, MA: kitchen remodel 27 mi southwest
- Marlborough, MA: client review of our first-floor remodel 29 mi west
- Hudson, MA: client review of our bathroom remodel 30 mi west
- Salem, NH: pool deck 31 mi north
- Westborough, MA: client review of our new siding and windows 33 mi west
- Northborough, MA: client review of our deck and small addition 34 mi west
- Shrewsbury, MA: client review of our kitchen and bathroom remodel 38 mi west
Permits and rules in Winthrop, MA
Ask Winthrop'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
Free estimate
Tell us about your project
Free and no-obligation. Prefer to talk? Call (508) 816-2726 (Mon–Sat, 7am–6pm).
- Itemized estimates
- 500+ projects completed
- Insured
Distances: straight line, GeoNames data (CC BY 4.0). Updated .
