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Glass French doors in a home at night in Norwalk, CT

Window and Door Installation in Norwalk, CT

Mosquera Construction replaces windows and installs doors in Norwalk, CT, with every opening checked, flashed, and trimmed correctly. One crew from measurement to final trim. Licensed, insured, with free written estimates.

Window and Door Installation in Norwalk, CT

Mosquera Construction installs and replaces windows and doors in Norwalk, CT. Window replacement, new construction windows, entry doors, and patio doors are installed and trimmed by one licensed crew.

New exterior bay window installed by Mosquera Construction in Connecticut

Norwalk housing runs to Victorian-era houses, early 1900s multifamily homes, and postwar capes, much of it built between 1880 and 1955. Openings on these houses have usually moved, so no replacement unit drops in square without adjustment.

Windows in Norwalk tend to be tall Victorian double-hungs, many still on sash weights. The most common request is full-frame replacement where the original sills have rotted.

Every window and door in Norwalk has to handle harbor damp that rots sills and the bottom of door jambs. That decides the flashing, the sill detail, and the trim material.

Window Replacement Done Right in Norwalk Homes

Most drafts and leaks in Norwalk homes come from the opening, not the glass. Sill pan, flashing tape, and house wrap have to lap in the right order.

Insert or full-frame depends on the frame. If the sill and jambs are solid, an insert saves time and trim. If there is rot, full-frame is the right call.

Doors need the same care. Entry and patio doors are hung plumb, level, and square, with the sill sealed so it never takes on water.

Trim finishes the job. Interior casing and exterior brickmold or flat stock are matched to the existing Norwalk house.

Hire a Licensed Window and Door Contractor in Norwalk, CT

Mosquera Construction is a licensed and insured window and door contractor working in Norwalk and the surrounding towns. Twenty years in Connecticut homes, with free written estimates.

Every Norwalk job follows the same four steps: measure and inspect, written scope, remove and install, then test and trim.

Braulio Mosquera runs the estimate and the job site. On Norwalk jobs that means the person who measured the openings is the one installing the units.

Front door with sidelights installed by Mosquera Construction in Connecticut

To start, call (203) 942-9495 or send photos of the windows or doors you want replaced. Estimates on Norwalk window jobs are written, itemized, and free.

  • Licensed Connecticut Contractor
  • Fully Insured
  • 20 Years of Experience
  • Working in Norwalk and Nearby
  • Free Written Estimates

Window and Door Questions from Norwalk Homeowners

Yes. We work in Norwalk and the surrounding towns, including South Norwalk, Rowayton, Silvermine, and Cranbury. If you're right on the town line, call and we'll confirm before scheduling a visit.

It depends on the number of openings, unit type, and what we find behind the trim. We don't quote by phone, because the number would be wrong. The visit and the written estimate are free.

Same-size replacement often doesn't need one, but enlarging an opening or adding a door does. In Norwalk that goes through the City of Norwalk building department. We confirm before scheduling.

It depends on the frame. If the sill and jambs are solid, an insert works. If there's rot or the opening has moved, full-frame is the right call. We'll tell you after we look.

Yes. We swap one opening at a time and close it right away, so heat loss stays minimal. The sealants and flashing we use are rated to cure in cold weather.

It depends on unit lead times, which can run several weeks after ordering. Call (203) 942-9495 and we'll give you an honest schedule once the units are measured.

Why Norwalk Homeowners Choose Us

  1. Licensed and insured window and door contractor working in Norwalk and nearby towns
  2. Every opening inspected and any rot corrected before install
  3. Sill pans, flashing tape, and house wrap lapped correctly
  4. Insert or full-frame chosen after inspection, not by default
  5. Interior and exterior trim matched to the existing Norwalk house
  6. Free written estimates on every Norwalk window and door job
  7. Old units hauled away and the job site left clean

Ready to Replace Windows or Doors in Norwalk?

Send photos of the windows or doors you want replaced. Estimates on window work in Norwalk, CT are written and free.

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