Looking for an addition contractor in South St. Paul, MN? Describe your project once and up to five addition contractors who work in South St. Paul and Dakota County get back to you with a quote. It's free and there is no obligation.
South St. Paul is home to about 20,590 people (2024 Census Bureau estimate), a stable community (−0.8% since 2020). With 3,661 people per sq mi, it is a suburban area. Growing families here often add space instead of moving.
South St. Paul at a glance
- Population (Census Bureau estimate, 2024)
- 20,590 (−0.8% since 2020)
- Rank in Minnesota
- 61st of 855 cities and towns
- Land area
- 5.6 sq mi
- Population density
- 3,661 people per sq mi (suburban)
- Type
- City (South St. Paul city)
- Main county
- Dakota County
What to check before hiring in South St. Paul
- Zoning: check South St. Paul's setbacks, lot coverage and height limits first.
- License and permit: in Minnesota, 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 South St. Paul
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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 South St. Paul
How much does an addition cost in South St. Paul, MN?
It depends on size, foundation and finishes. Describe your project: contractors who serve South St. Paul 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 South St. Paul 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.