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Find Second story addition builders in Eagan

Avatar for Mad City Windows & Baths

Mad City Windows & Baths

4.78(
3,019
)
Approved Pro

Mad City Windows & Baths

4.78(
3,019
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
2386 local quotes requested

We are the premier home improvement company in Madison, Green Bay, Milwaukee & throughout Wisconsin with years of experience and countless home improvement projects to prove it. We’re locally owned and operated so we know what works best in this climate and we choose quality products designed with Wisconsin area homeowners in mind. Whether you need replacement windows, vinyl siding, bathrooms, or metal roofing our professional installers will leave your home looking great.

"From the beginning with Andrew explaining the project, through the completion, we were impressed with everyone we met at Mad City. The project was done earlier than expected and it was amazing to see it completed. I have recommended Mad City to others and I would definitely use them again. MC88509LC"

Sonja B on November 2025

We are the premier home improvement company in Madison, Green Bay, Milwaukee & throughout Wisconsin with years of experience and countless home improvement projects to prove it. We’re locally owned and operated so we know what works best in this climate and we choose quality products designed with Wisconsin area homeowners in mind. Whether you need replacement windows, vinyl siding, bathrooms, or metal roofing our professional installers will leave your home looking great.

"From the beginning with Andrew explaining the project, through the completion, we were impressed with everyone we met at Mad City. The project was done earlier than expected and it was amazing to see it completed. I have recommended Mad City to others and I would definitely use them again. MC88509LC"

Sonja B on November 2025


Avatar for Bonfe Builders

Bonfe Builders

4.75(
4
)
Approved Pro

Bonfe Builders

4.75(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
316 local quotes requested

Bonfe Builders is here to help with your remodeling and roofing needs. Call or click for a quote today!

"Great job and very clean"

Scott T on November 2024

Bonfe Builders is here to help with your remodeling and roofing needs. Call or click for a quote today!

"Great job and very clean"

Scott T on November 2024


Avatar for Sentri Homes

Sentri Homes

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Sentri Homes

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
918 local quotes requested
2 years of experience

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.


Avatar for MJ Remodeling

MJ Remodeling

4.00(
3
)

MJ Remodeling

4.00(
3
)
Customers say: Terrific value
39 years of experience

10 employees. Uses subs for roofing & gutters.

10 employees. Uses subs for roofing & gutters.


JC's Remodeling Co

3.67(
3
)

JC's Remodeling Co

3.67(
3
)
Customers say: Quick response
16 years of experience

Additional e-mail - jfugate@jcsremodeling.com.

Additional e-mail - jfugate@jcsremodeling.com.


Avatar for Allstar Construction

Allstar Construction

4.32(
41
)

Allstar Construction

4.32(
41
)
Customers say: Terrific value
47 years of experience

Allstar Construction is your area expert for roofing, siding, windows, gutters, stone and masonry work, and other exterior construction services. We work with homeowners, builders and architects, housing associations and commercial building owners. Allstar is certified as a Slate Crafter Specialist, GAF Master Elite Contractor and Owens Corning Preferred Contractor. The company is also a member of the Better Business Bureau, National Association of Home Builders, and Twin Cities Building Association. Some of the brands we work with include: • James Hardie Siding • Alside Vinyl • GAF Timberline Shingles • Anderson Windows and Doors • Duration Shingles • Eagle Windows • Mastic by PlyGem Siding • Marvin Windows and Doors • DaVinci Roofscapes • EZ Breeze Deck Enclosures • InsideOut Underdecking

"This is the most outstanding company I have ever done business with. We had them help repair water damage. From the constant communication to the professionalism of the cruise I can’t say enough good things about this company their work and work ethic are top notch."

Renee Z on March 2024

Allstar Construction is your area expert for roofing, siding, windows, gutters, stone and masonry work, and other exterior construction services. We work with homeowners, builders and architects, housing associations and commercial building owners. Allstar is certified as a Slate Crafter Specialist, GAF Master Elite Contractor and Owens Corning Preferred Contractor. The company is also a member of the Better Business Bureau, National Association of Home Builders, and Twin Cities Building Association. Some of the brands we work with include: • James Hardie Siding • Alside Vinyl • GAF Timberline Shingles • Anderson Windows and Doors • Duration Shingles • Eagle Windows • Mastic by PlyGem Siding • Marvin Windows and Doors • DaVinci Roofscapes • EZ Breeze Deck Enclosures • InsideOut Underdecking

"This is the most outstanding company I have ever done business with. We had them help repair water damage. From the constant communication to the professionalism of the cruise I can’t say enough good things about this company their work and work ethic are top notch."

Renee Z on March 2024


Home Techniques, Inc.

No reviews yet

Home Techniques, Inc.

No reviews yet
23 years of experience

Our company is staffed by an electrical engineer, two experienced IT professionals and experienced carpenters, cabinet makers and computer geeks. We use subcontractors on rare occasions when specific licensing is required, such as plumbing and commercial electrical.

Our company is staffed by an electrical engineer, two experienced IT professionals and experienced carpenters, cabinet makers and computer geeks. We use subcontractors on rare occasions when specific licensing is required, such as plumbing and commercial electrical.


Stockwell Homes

No reviews yet

Stockwell Homes

No reviews yet
8 years of experience

Stockwell Homes is a full-service interior design and remodeling firm based in Edina, MN specializing in residential and commercial remodeling and furnishing. We not only design thoughtful spaces, but effectively manage the design process from concept to completion. Working with closely held tradespeople, we take a systematized approach in order to thoughtfully plan and execute every detail. We strive to alleviate the burden of home furnishing and remodeling by facilitating selections, handling procurement and providing project oversight throughout the construction process.

Stockwell Homes is a full-service interior design and remodeling firm based in Edina, MN specializing in residential and commercial remodeling and furnishing. We not only design thoughtful spaces, but effectively manage the design process from concept to completion. Working with closely held tradespeople, we take a systematized approach in order to thoughtfully plan and execute every detail. We strive to alleviate the burden of home furnishing and remodeling by facilitating selections, handling procurement and providing project oversight throughout the construction process.


Sunflake Electrical and Remodeling

4.00(
4
)

Sunflake Electrical and Remodeling

4.00(
4
)
Customers say: Quick response
13 years of experience

We are a small, locally owned electrical and building contractor. We specialize in residential and small commercial remodels and new construction. We charge a great rate, provide timely service, and even take credit cards for easy payment options! Additional DBA - Easy Home Offer LLC.

"Sunflake did a great job getting my 1940s home up to code for rental certification. They had great suggestions to keep it affordable and everything turned out great. Would highly recommend."

John K on September 2021

We are a small, locally owned electrical and building contractor. We specialize in residential and small commercial remodels and new construction. We charge a great rate, provide timely service, and even take credit cards for easy payment options! Additional DBA - Easy Home Offer LLC.

"Sunflake did a great job getting my 1940s home up to code for rental certification. They had great suggestions to keep it affordable and everything turned out great. Would highly recommend."

John K on September 2021


ROBERTS' RESIDENTIAL REMODELING, INC

4.86(
7
)

ROBERTS' RESIDENTIAL REMODELING, INC

4.86(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

10 EMPLOYEES. USES SUBS FOR ELECTRICAL, PLUMBING, MASONRY, & CONCRETE WORK. COST DETERMINED BY THE JOB. NO TRAVEL CHARGES. ADDITIONAL SERVICE AREAS: RICE & SIBLEY COUNTIES.

10 EMPLOYEES. USES SUBS FOR ELECTRICAL, PLUMBING, MASONRY, & CONCRETE WORK. COST DETERMINED BY THE JOB. NO TRAVEL CHARGES. ADDITIONAL SERVICE AREAS: RICE & SIBLEY COUNTIES.

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FAQs for second story addition building service projects in Eagan, MN

For many homeowners, building up is worth the expense because it provides the extra bedrooms or living areas that can’t be accommodated within the existing footprint. A larger, updated home often commands a higher resale price, recouping a sizable share of the project cost while allowing you to stay in the neighborhood you love. Run the numbers with a real estate agent and contractor to ensure the expected return and day-to-day benefits align with your goals.

Whether it makes more sense to build up or out depends on your lot, budget, and local code. Building up preserves yard space and involves less foundation work, but you may need to vacate the home during construction. Building out avoids staircases and can proceed while you stay put; however, it encroaches on the yard and may face setback limits. Compare both options with your contractor before making a decision.

A structural engineer will first inspect the existing foundation for cracks, footings, and load capacity. Depending on the findings, the crew may pour new concrete footings, install steel or concrete piers, add reinforced beams, or tie additional rebar into the slab. These upgrades redistribute the weight of the new floor and bring the structure up to code. Your contractor will outline the specific reinforcement plan and timeline once the engineering report is complete.

The Eagan, MN homeowners’ guide to second story addition building services

From average costs to expert advice, get all the answers you need to get your job done.