Looking for an addition contractor in Cape Girardeau, MO? Describe your project once and up to three addition contractors who work in Cape Girardeau and Cape Girardeau County get back to you with a quote. It's free and there is no obligation.
Cape Girardeau is home to about 40,818 people (2024 Census Bureau estimate), a growing community (+3.2% since 2020). With 1,395 people per sq mi, it is a suburban area. Growing families here often add space instead of moving.
Cape Girardeau at a glance
- Population (Census Bureau estimate, 2024)
- 40,818 (+3.2% since 2020)
- Rank in Missouri
- 17th of 938 cities and towns
- Land area
- 29 sq mi
- Population density
- 1,395 people per sq mi (suburban)
- Type
- City (Cape Girardeau city)
- Main county
- Cape Girardeau County
What to check before hiring in Cape Girardeau
- Zoning: check Cape Girardeau's setbacks, lot coverage and height limits first.
- License and permit: in Missouri, additions are built by licensed contractors under a permit.
- Structure: second stories need an engineer to check the existing house.
- Price drivers: size, foundation, roof tie-in, plumbing and finishes.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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NAHB
Official information and guidance.
Services available in Cape Girardeau
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Room addition
Ground-floor addition with foundation, framing, roof and finishes.
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Second-story addition
New floor over the existing house, with structural engineering.
Frequently asked questions in Cape Girardeau
How much does an addition cost in Cape Girardeau, MO?
It depends on size, foundation and finishes. Describe your project: contractors who serve Cape Girardeau reply with a quote.
How long does it take?
Often a few months, plus design and permits.
Does an addition raise property taxes?
Usually, since it increases the assessed value.
Which addition contractors will contact me?
Up to three independent addition contractors who serve Cape Girardeau and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.