Find a Top-Rated Window Contractor Near Alton

Quick answer

Who are the top-rated window contractors in Alton, IL?

Alton, IL lists 7 top-rated window contractors from a Google Maps search in and near the city. Stars and review counts were checked October 2026. Open the Google reviews link on each row. A Google rating is not a license check.

Updated

How we rank

Alton hasn't got enough names in a state license file to support this site's usual ZIP breakdown. So the 7 names below come from Google Maps instead, ranked by rating rather than grouped by ZIP. Checked October 2026.

Google Maps ratings checked · How we rank

Updated

Before you call the closest name on the list

Is this business's license address actually near me, or just technically within city limits?

A rating is not a license.

How soon can someone come measure, and how soon after that could the windows actually be installed?

Open the Google reviews link.

Who pulls the permit if this job needs one?

This rank is not an endorsement.

What's the full written scope: material, style, replacement method and count?

Ask for a license number.

Is there a trip charge, and does it change based on distance from their listed address?

Stars on this page were checked.

More on Illinois →

7 top-rated window contractors near Alton

This list is sorted by Google rating weighted against review volume instead of grouped by ZIP the way a license-based page here would be. A top spot here says nothing about a license; confirm the contractor's number with the state before you call.

  1. Rob's Construction

    Window installation service

    Google rating
    4.9 out of 5 on Google
    Reviews
    50
    Area
    East Alton 62024
    Google reviews
  2. Fischer Lumber Co.

    Window supplier

    Google rating
    4.8 out of 5 on Google
    Reviews
    45
    Area
    East Alton 62024
    Google reviews
  3. Lyons Glass Company

    Window installation service

    Google rating
    4.7 out of 5 on Google
    Reviews
    95
    Area
    Alton 62002
    Google reviews
  4. R.P. Lumber

    Window supplier

    Google rating
    4.9 out of 5 on Google
    Reviews
    19
    Area
    Alton 62002
    Google reviews
  5. Twin-Co, Inc.

    Window installation service

    Google rating
    5.0 out of 5 on Google
    Reviews
    8
    Area
    Not listed
    Google reviews
  6. HomePro Services

    Window installation service

    Google rating
    4.7 out of 5 on Google
    Reviews
    11
    Area
    Not listed
    Google reviews
  7. Renown Remodeling

    Window installation service

    Google rating
    3.4 out of 5 on Google
    Reviews
    15
    Area
    East Alton 62024
    Google reviews

2 ZIP codes with listings

Where Alton's window contractors are actually based

Alton's 7 window contractors are spread across 2 ZIP codes.

The busiest single ZIP is 62024, carrying 3 of them.

Check your own ZIP first before assuming the closest option is whoever's listed at the top of Alton's page.

6200262024

Data: Google Maps listings, checked 2026-10-02.

12 mi to Florissant, the nearest city on this site

Nearby cities if Alton comes up short

Florissant is the closest other city on this site to Alton, about 12 miles away.

Worth a look if Alton's own ZIP-by-ZIP lists are thin for the trade you need.

Data: U.S. Census Bureau, 2026 TIGER/Line Gazetteer County Subdivision file (Connecticut only); U.S. Census Bureau, 2026 TIGER/Line Gazetteer Files (places, counties, ZCTAs, states).