Looking for an addition contractor in Spring Green, WI? Describe your project once and up to three addition contractors who work in Spring Green and Sauk County get back to you with a quote. It's free and there is no obligation.
Spring Green is home to about 1,573 people (2024 Census Bureau estimate), a stable community (+0.6% since 2020). With 943 people per sq mi, it is a semi-rural area. Growing families here often add space instead of moving.
Spring Green at a glance
- Population (Census Bureau estimate, 2024)
- 1,573 (+0.6% since 2020)
- Rank in Wisconsin
- 297th of 607 cities and towns
- Land area
- 1.7 sq mi
- Population density
- 943 people per sq mi (semi-rural)
- Type
- Village (Spring Green village)
- Main county
- Sauk County
What to check before hiring in Spring Green
- Zoning: check Spring Green'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 Spring Green
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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 Spring Green
How much does an addition cost in Spring Green, WI?
It depends on size, foundation and finishes. Describe your project: contractors who serve Spring Green 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 Spring Green 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.