Greenwich's Highest-Rated Fiber Cement Installers, by Google

A Google rating is what got these 8 fiber cement siding contractors near Greenwich onto this list, since a state filing isn't something this site has for this city yet. 50.6 inches of rain falls on Greenwich most years, exactly the kind of moisture load a cement-based board is formulated to shrug off.

Google Maps ratings checked · How we rank

50.6 innormal precipitation a year

What Greenwich's climate asks of an exterior wall

A formulation built for Greenwich's climate focuses on moisture resistance and paint adhesion first, ahead of the heat and hurricane concerns a southern zone deals with instead.

Data: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020 (annual/seasonal and monthly, by station) (1991-2020), from the nearest NOAA station 3.8 mi away.

Wildfire and hurricane risk near Greenwich

Wildfire risk in Western Connecticut Planning Region rates Very Low; hurricane risk rates Relatively High, per FEMA's county-level data.

Whichever hazard dominates near Greenwich, ask an installer how the specific product and installation are rated for it, not just what the base material is made of.

Strong wind
Relatively High
Hail
Relatively Low
Hurricane
Relatively High
Wildfire
Very Low

Data: FEMA, National Risk Index for Natural Hazards - County-level table, v1.20 (v1.20, December 2025).

8 top-rated fiber cement siding contractors in and near Greenwich

Review count works like a multiplier here: a 5.0 from a dozen reviewers can still rank under a 4.7 built on a few hundred. That math has nothing to do with licensing, so look up the contractor's license or registration number with the state before you commit.

  1. Thermo-Seal Windows, Siding And Roofing

    Siding contractor

    Google rating
    5.0 out of 5 on Google
    Reviews
    144
    Area
    Rye 10580
    Google reviews
  2. Gunner Roofing

    Siding contractor

    Google rating
    4.8 out of 5 on Google
    Reviews
    646
    Area
    Stamford 06902
    Google reviews
  3. Ideal Siding Westchester

    Siding contractor

    Google rating
    4.9 out of 5 on Google
    Reviews
    60
    Area
    Harrison 10528
    Google reviews
  4. North East Home Improvement

    Siding contractor

    Google rating
    5.0 out of 5 on Google
    Reviews
    27
    Area
    Greenwich 06830
    Google reviews
  5. Signature Exteriors

    Siding contractor

    Google rating
    4.8 out of 5 on Google
    Reviews
    84
    Area
    Stamford 06902
    Google reviews
  6. Jimmy A&N Construction Corp.

    Siding contractor

    Google rating
    4.8 out of 5 on Google
    Reviews
    22
    Area
    Port Chester 10573
    Google reviews
  7. Ideal Siding Fairfield

    Siding contractor

    Google rating
    5.0 out of 5 on Google
    Reviews
    8
    Area
    Stamford 06902
    Google reviews
  8. Greenwich Roofs

    Siding contractor

    Google rating
    5.0 out of 5 on Google
    Reviews
    7
    Area
    Riverside 06878
    Google reviews

Fiber cement questions worth asking before you sign

  1. Is this product factory-primed or factory-finished, and if primed, will painting happen inside the manufacturer's required window?
  2. What ground clearance and roofline clearance will the crew actually leave, and does it match the manufacturer's published minimums?
  3. How will the crew control silica dust when cutting, and what equipment are they using outdoors versus indoors?
  4. If this home is in a fire hazard zone, is the specific product and assembly rated for it, not just the base material?
  5. What does the substrate warranty cover, separately from any paint or finish warranty?
  6. Is this formulation built for {city}'s climate zone, or a generic nationwide version?

More on Connecticut →

Other Connecticut cities with fiber cement pros

All cities in Connecticut →