Midtown Home Improvements
Midtown Home Improvements has a 4.2 Google rating from 1,891 reviews.Last checked October 2026
- License checked in state records
- Insurance document checked
- Warranty offered
- BBB accredited
- 36 Years in Business
- Wentzville, MO
Window replacement contractors in O'Fallon, MO
A typical window replacement project runs $5,000 to $20,000. Tell us about yours and compare bids from local pros.
Free to request
- 3 O'Fallon window replacement pros listed
- 4.2 average Google rating, weighted by review count, across 3 pros with reviews
- 236 bid requests in O'Fallon in the last 90 days
How Much Does Window Replacement Cost in O'Fallon, MO?
Typical Range
$5,000 to $20,000
The typical Window Replacement project range is $5,000 to $20,000, a general range for the service. The average quoted price through our platform here is $15,579, based on 60 priced quote requests. Largest project quoted through our platform in O'Fallon: $75,000.
Window Replacement cost figures for O'Fallon
| Figure | Amount and source |
|---|---|
| Typical project range | $5,000 to $20,000Typical project range from our service pricing data. |
| Average of 60 local project requests | $15,579Priced project requests from O'Fallon homeowners on Above Board Pros. |
Window Replacement ROI Trend
Regional ROI by year
54%
59%
58%
70%
65%
70%
| Year | ROI |
|---|---|
| 2020 | 53.5% |
| 2021 | 58.9% |
| 2022 | 57.7% |
| 2023 | 70.3% |
| 2024 | 64.8% |
| 2025 | 69.9% |
Source: Remodeling Cost vs Value data, 2020 to 2025.
What affects window replacement in O'Fallon?
Storm history
From 2016 through 2025, St Charles County recorded 65 hail events of 1 inch or larger, 22 severe hail events of 1.75 inches or larger, 81 damaging-wind events of 58 mph or stronger, and 9 tornado events, per NOAA Storm Events data.
Source: NOAA Storm Events Database, 2016-2025
Climate zone
O'Fallon sits in IECC climate zone 4A, per the 2021 International Energy Conservation Code climate zone map.
Source: 2021 International Energy Conservation Code climate zone map
Licensing
Missouri does not license this trade statewide; check with O'Fallon or the county before hiring.
Source: Missouri Division of Professional Registration, checked September 2026 (opens in a new tab)
Local demand
236 homeowners in O'Fallon asked for window replacement bids in the last 90 days.
Project requests for window replacement in O'Fallon on Above Board Pros, last 90 days.
Window Replacement companies listed for O'Fallon
3 window replacement companies are listed for O'Fallon. They come from public business records and our own checks. Each one shows what we checked and the date where we have one. Listing is not a recommendation.
Homestar Design Remodel
Homestar Design Remodel has a 5.0 Google rating from 32 reviews.Last checked October 2026
- License mentioned on its website
- Insurance mentioned on its website
- Warranty offered
- BBB accredited
- 20 Years in Business
- St. Louis, MO
Chesterfield Fence & Deck Company
Chesterfield Fence & Deck Company has a 4.4 Google rating from 425 reviews.- 58 Years in Business
- Chesterfield, MO
About O'Fallon, MO
- Population
- 93,801
- Source: U.S. Census Bureau, American Community Survey, 2024
- Median household income bracket
- $100,000-$124,999
- Source: U.S. Census Bureau, American Community Survey, 2024
- Median annual property tax bracket
- $3,000 or More
- Source: U.S. Census Bureau, American Community Survey, 2024
- Climate zone
- IECC climate zone 4A
- Source: 2021 International Energy Conservation Code climate zone map
- Storm history
- From 2016 through 2025, St Charles County recorded 65 hail events of 1 inch or larger, 22 severe hail events of 1.75 inches or larger, 81 damaging-wind events of 58 mph or stronger, and 9 tornado events, per NOAA Storm Events data.
- Source: NOAA Storm Events Database
ZIP codes in O'Fallon
63304, 63366, 63367, 63368, 63376, 63385
From our guides
Condensation forms when air carrying moisture touches a surface colder than its dew point and can no longer hold that moisture, so it drops out as liquid water, or as ice once the surface sits below freezing.
From Window Condensation in Winter: Humidity or Bad Seal? Knowing how to hire a home improvement contractor the right way begins before you ever call anyone.
From How to Hire a Home Improvement Contractor in the Midwest Window replacement decisions often come down to double vs. triple pane, and the sales pitch for triple-pane doesn't always match the math. Here's an honest breakdown of where the upgrade makes sense and where it doesn't.
From Double-Pane vs. Triple-Pane Windows: Is the Upgrade Worth It in 2026?
Window Replacement in O'Fallon: common questions
How much does window replacement cost in O'Fallon, MO?
A typical window replacement project runs $5,000 to $20,000. That is a general range for the service, not a quote for O'Fallon, MO. Your price depends on size, materials and access, so compare bids for your specific project.
How many window replacement companies are listed for O'Fallon, MO?
We list 3 window replacement companies that serve O'Fallon, MO. They come from public business records and our own checks, and each listing shows what we checked, with the date where we have one. A listing is not a recommendation.
How does the local climate affect window replacement in O'Fallon, MO?
O'Fallon sits in IECC climate zone 4A, per the 2021 International Energy Conservation Code climate zone map.
How do I get bids for window replacement in O'Fallon, MO?
Describe your project in the bid form on this page. Companies that take this kind of work may contact you with bids. There is no obligation to hire anyone.
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