Looking for an addition contractor in De Pere, WI? Describe your project once and up to five addition contractors who work in De Pere and Brown County get back to you with a quote. It's free and there is no obligation.
De Pere is home to about 25,453 people (2024 Census Bureau estimate), a stable community (+0.2% since 2020). With 2,129 people per sq mi, it is a suburban area. Growing families here often add space instead of moving.
De Pere at a glance
- Population (Census Bureau estimate, 2024)
- 25,453 (+0.2% since 2020)
- Rank in Wisconsin
- 33rd of 607 cities and towns
- Land area
- 12 sq mi
- Population density
- 2,129 people per sq mi (suburban)
- Type
- City (De Pere city)
- Main county
- Brown County
What to check before hiring in De Pere
- Zoning: check De Pere's setbacks, lot coverage and height limits first.
- License and permit: in Wisconsin, 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 De Pere
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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 De Pere
How much does an addition cost in De Pere, WI?
It depends on size, foundation and finishes. Describe your project: contractors who serve De Pere 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 five independent addition contractors who serve De Pere 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.