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Home Addition Cost Calculator — Rochester MN

Home addition costs in Rochester MN, Minnesota run close to the national average. Square footage, foundation type, and whether you're adding a bathroom or kitchen are the biggest cost drivers in the Midwest region.

Low estimate$25,000
Average$65,000
High estimate$150,000

Addition square footage

Addition square footage 300

Quality Tier

Standard materials, solid craftsmanship

Scope of Work

Labor

Labor portion of total cost 40%

Home Addition Cost in Rochester MN: 2026 Guide

Use the calculator above to get a quick estimate. The guide below explains what drives home addition costs in Rochester MN and what to expect from contractors in Rochester MN.

Typical Home Addition Costs in Rochester MN

Project ScopeLowHigh
Simple room bump-out (100–200 sqft)$8,800$16,200
Standard bedroom addition (200–350 sqft)$25,000$55,000
Master suite with bathroom (350–500 sqft)$55,000$65,000
Full in-law suite or major addition (600–1,000 sqft)$65,000$150,000

What Affects Home Addition Costs in Rochester MN?

Labor rates: Contractors in Rochester MN charge $45–$90/hour for home addition work — close to the national average.

Material costs: Material prices in the Midwest region are close to national average due to local supply, transportation costs, and market demand.

Project complexity: Site conditions, permitting requirements, and non-standard layouts can add 15–30% to total project cost.

Frequently Asked Questions

How much does a home addition cost in Rochester MN?
Home additions in Rochester MN cost $25,000–$150,000 depending on size and scope. A simple bedroom addition (200–300 sqft) runs $25,000–$55,000. A master suite or in-law addition with a bathroom runs $65,000–$150,000.
What is the cost per square foot for a home addition in Rochester MN?
Home additions in Rochester MN cost $150–$400 per square foot fully finished. The Midwest region averages close to national rates due to local labor market. Basic additions run $45/sqft; luxury finishes hit $90/sqft+.
How long does a home addition take in Rochester MN?
A standard bedroom addition (200–400 sqft) takes 2–4 months from permit to completion in Rochester MN. Additions requiring new plumbing or HVAC take 3–6 months. Permitting adds 4–8 weeks upfront.
Is a home addition worth it vs. moving in Rochester MN?
In Rochester MN, home additions often cost less than selling and buying a larger home (especially with closing costs and moving expenses). A $65,000 addition can add $55,000–$65,000 in home value while keeping your current location.

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Estimated cost in Rochester MN

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Range: $0 – $0
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Labor$0
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