Business Details
31 Years
experience
Expert Home Remodeling & Building Services
Family-owned and operated since 1995, our team brings over 80 years of combined experience to every project. We specialize in custom home additions, remodeling, decks, porches, windows, and doors, serving the Iowa City area with a commitment to quality and community. Our expertise extends to collaborating with local educational institutions like Kirkwood Community College and the Iowa City Community School District to advance construction education. As active members of the Iowa City Home Builders Association, we maintain leadership roles and contribute to industry standards through participation in councils and committees. Our approach emphasizes safety, professionalism, and personalized service, ensuring each client's vision is realized with precision.We take pride in fostering community relationships through volunteer work, guest lecturing, and partnerships with organizations like Habitat for Humanity. Every project reflects our dedication to excellence, from initial design to final execution, with a focus on enhancing both functionality and aesthetic value. Our team's longevity and deep local knowledge enable us to address unique challenges while maintaining competitive pricing and transparent communication. This combination of experience, community engagement, and technical expertise has earned us a reputation for reliability and innovation in residential construction.
Services
Custom Additions
Remodels
Decks and Porches
Windows and Doors
Details
- Year established: 1995
Highlights and features
- Family-owned with 28 years of local experience
- 80+ years combined team expertise in residential construction
- Active partners with local educational institutions
- Leaders in Iowa City Home Builders Association
- Committed to community through Habitat for Humanity
What people say
Professional, creative, considerate
Great communicator
Beyond compare work
Finest people met
Punctual and courteous
Services
Custom Additions
Transform your living space with tailored additions that enhance functionality and property value. Our expert team designs and constructs seamless extensions matching your home's existing architecture while incorporating modern amenities. From initial concept to final inspection, we ensure minimal disruption to your daily life while delivering durable, aesthetically pleasing solutions that meet evolving family needs.
Remodels
Modernize your space with comprehensive remodeling services that address both aesthetics and functionality. We specialize in kitchen and bathroom transformations, whole-house updates, and structural modifications that improve livability. Our process maintains historical integrity while integrating contemporary features, ensuring your home meets current standards without compromising character.
Decks and Porches
Create inviting outdoor spaces with custom decks, patios, and three-season rooms. We use premium materials to construct durable, low-maintenance structures that withstand Iowa's climate. Our designs maximize usable space while enhancing curb appeal, incorporating features like pergolas, lighting, and weather-resistant finishes for year-round enjoyment.
Windows and Doors
Improve energy efficiency and natural lighting with premium window and door installations. We offer modern replacements that maintain architectural consistency while incorporating advanced insulation technology. Our solutions include specialty windows, sliding doors, and security-enhanced entry systems that boost both comfort and home value.
People
GT Karr
Owner/Operator
GT Karr leads Sueppels with 20+ years in construction management. He teaches ACE classes at Iowa City High School and serves on multiple industry committees. His expertise spans project management, design consultation, and sustainable building practices.
Paul Sueppel
Founder
Retired Iowa City Police Officer Paul Sueppel established the company in 1995. He laid the foundation for our commitment to quality and community service. His legacy continues through ongoing partnerships with local educational institutions.
Rick Lee
Senior Carpenter
Rick Lee brings decades of hands-on experience to our team. Specializing in custom woodwork and structural modifications, he ensures every project meets exacting standards. His craftsmanship contributes significantly to our reputation for quality finishes.
Scott Humphery
Project Manager
Scott Humphery oversees project timelines and client communication. With 15+ years in residential construction, he coordinates teams to deliver projects on schedule while maintaining open communication with homeowners throughout the process.
Jesse Streinz
Lead Installer
Jesse Streinz specializes in window and door installations. Known for meticulous attention to detail, he ensures perfect fits and optimal energy efficiency. Clients consistently praise his professionalism and clear communication during projects.
Questions
What home improvement services do you specialize in?
We focus on custom additions, whole-house remodels, decks/patios, and window/door installations. Our expertise includes both structural modifications and aesthetic upgrades tailored to Iowa City's architectural styles.
How long has Sueppels been in business?
Since 1995, evolving from a siding company to full-service remodeling contractors. Our current team maintains over 80 years combined experience in residential construction across the Iowa City area.
Do you work with local educational institutions?
Yes, we partner with Kirkwood Community College and Iowa City Community School District. GT Karr teaches ACE construction classes at Iowa City High School while managing daily operations.
What community involvement initiatives do you support?
We actively support Habitat for Humanity, guest lecture in local schools, and participate in career days. Our team also contributes to historic preservation and climate action committees in Johnson County.
How do you ensure project quality and communication?
Through dedicated project managers, regular client updates, and a team known for punctuality and professionalism. Our process maintains transparency from initial consultation through final walkthrough.
Reviews (3)
Vaughn Vance
Apr 25, 2019
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GT and his crew have been great to work with! They aim to please the customer, they understand that what they do is for the customers enjoyment and satisfaction. They will do what it takes to help you achieve the look you are wanting even if it means reevaluation. We look forward to the finish of our project and other projects to come!
L. K.
Mar 21, 2018
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When we bought our house we had issues with seal failures in our windows. Sueppel's was the original installer. Called them and they stood behind windows and took care of replacing the windows under warranty (including the labor!). The crew was wonderful, worked quickly and cleaned up when finished. We had them back to do the siding on the our shed. Again the crew was great, kept the area clean and organized and the siding looks great.
Kurt Vanderhoef
Jan 08, 2018
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I had Sueppel's push out the back of my house including the basement which I absolutely love! They were a joy to work with and gave me realistic expectations during the job. They truly went above and beyond after they dug the hole for the new section of foundation. We had a rainstorm and I hadn't even realized how bad it was until I found GT standing in the hole at 2 am in the morning with a sump pump on a stick draining the hole. That's when you know how committed they are to get a job done right the first time.
