Adding a room to your home is a significant investment. Whether you need a master suite, sunroom, home office, or in-law suite, choosing the right contractor is essential. We’ve compiled this list of ten reputable room addition contractors in the Kansas City area based on publicly available data to help you make an informed decision. We encourage you to contact multiple contractors and get quotes before making your final choice.
1. Coulston Construction
Coulston Construction is a well-established contractor specializing in room additions throughout the Kansas City area. With over 500 completed room additions, they offer a wide range of services including second-story additions, sunrooms, in-law suites, and master suite expansions. Their website emphasizes their commitment to preserving yard space by building upward when possible, and they’re known for their creativity in maximizing living space. Something commonly mentioned among all of their reviews is how friendly and neighborly this company is.
Why They Made the List
Their extensive portfolio of completed additions demonstrates significant experience in working with homeowners, dealing with permits, and work that stands the test of time. Client testimonials highlight their budget-conscious approach, attention to detail, and ability to complete projects on schedule. They offer free consultations and serve the entire Kansas City metro area. Bob Coulston, the founder, explains his philosophy is focused on serving the community long-term… whether someone needs a lightbulb replaced, or wants a new sunroom put in, his team is happy to help with it all.
Phone: (816) 365-9308
Email: bob@coulstonconstruction.com
Website: coulstonconstruction.com
Service Area: Kansas City, MO Metro Area
2. T-Mac Construction
T-Mac Construction offers comprehensive room addition services in the Kansas City area. Their specialties include sunrooms, home offices, bump-out additions, and four-season rooms. The company focuses on seamless integration with existing structures and places a strong emphasis on compliance with local building codes and regulations.
Why They Made the List
T-Mac stands out for their diverse range of room addition options and their focus on creating additions that blend naturally with existing home architecture. Their commitment to building code compliance gives homeowners peace of mind, and they provide multiple contact options for easy communication.
Phone: (816) 997-9090
Email: info@t-maccompanies.com
Website: t-macconstruction.com
Service Area: Kansas City, MO
3. Gercken Construction Services
Gercken Construction Services has been serving Kansas City and Liberty, Missouri for years, specializing in room additions for growing families. Their services include adding new bedrooms, bonus rooms, bathrooms, and multi-purpose spaces. The company emphasizes transparent communication, keeping clients informed at every stage of the construction process.
Why They Made the List
Gercken’s focus on client communication and their experience serving the Liberty and Kansas City areas makes them a reliable choice. Their emphasis on using modern construction techniques suggests they stay current with industry best practices. Some of their reviews express concern on the timeline of recent projects.
Phone: (816) 781-7491
Website: gerckenconstruction.com
Service Area: Liberty, MO / Kansas City Area
4. Kansas City Remodel
Kansas City Remodel distinguishes itself as the only nationally accredited remodeling company in the Kansas City area. They offer a comprehensive range of services including custom kitchens, bathrooms, basements, room additions, and deck repairs. The company emphasizes professionalism, customer care, and strict compliance with industry standards.
Why They Made the List
Their national accreditation sets them apart, indicating adherence to industry-wide standards and best practices. The company’s broad service offering means they can handle complex projects that may involve multiple types of work. Their coverage of Kansas City and Johnson County provides flexibility for homeowners on both sides of the state line.
Phone: (913) 808-5518
Website: kansascityremodel.com
Service Area: Kansas City, MO & Johnson County, KS
5. ProDeck Solutions
ProDeck Solutions specializes in custom house additions with a particular focus on outdoor-indoor living spaces. Their offerings include sunrooms, conservatories, garage conversions, and bump-out additions. The company provides a variety of design options aimed at enhancing both the functionality and aesthetic appeal of homes.
Why They Made the List
ProDeck’s specialization in transitional spaces like sunrooms and conservatories fills a specific niche in the market. Their focus on design variety gives homeowners more options to customize their additions. The company provides multiple contact methods, making them accessible to potential clients.
Phone: (888) 70-PRODECK
Email: mail@prodecksolutions.net
Website: prodecksolutions.net
Service Area: Kansas City, MO
6. All-Pro Renovations LLC
All-Pro Renovations LLC takes a technology-forward approach to room additions, utilizing industry-leading construction software to streamline their building process. They offer a standardized building methodology designed to make construction easier for homeowners to understand and follow. The company provides free estimates, competitive pricing, quality materials, and financing options for qualified customers.
Why They Made the List
All-Pro’s use of modern construction software indicates a commitment to organization and efficiency. Their standardized process can be reassuring for first-time addition clients. The availability of financing options makes them accessible to homeowners who may need payment flexibility.
Phone: (913) 354-2380
Website: all-proserviceskc.com
Service Area: Kansas City Metro Area
7. Winston Brown Remodeling
Winston Brown Remodeling serves a broader regional area including Topeka, Lawrence, and Kansas City. Their website features an extensive gallery of completed room addition projects, providing valuable inspiration for homeowners considering expansion. The company’s portfolio demonstrates versatility across different addition types and architectural styles.
Why They Made the List
Their comprehensive project gallery is a valuable resource for homeowners in the planning stages. The regional coverage means they can serve clients across a wider area. Their demonstrated variety in completed projects suggests adaptability to different home styles and client preferences.
Phone: (785) 271-1661
Website: winston-brown.com
Service Area: Topeka, KS (Serving KC Metro)
8. Top Shelf Home Builders
Top Shelf Home Builders focuses on high-end custom homes and luxury remodels, including premium room additions. They employ a seamless design-build process, meaning they handle both the architectural design and construction phases in-house. This approach can lead to better coordination and communication throughout the project.
Why They Made the List
Their design-build model offers advantages for homeowners who want a single point of contact for their entire project. Their focus on high-end work indicates attention to quality and detail. For homeowners seeking premium additions with custom features, Top Shelf may be an ideal fit.
Website: topshelfhomebuilders.com
Service Area: Kansas City, MO & Johnson County
9. Jericho Home Improvements
Jericho Home Improvements has established itself as Kansas City’s largest custom remodeler, with over 10,000 kitchen and bathroom remodels completed since 2009. They employ a team of master craftsmen and project managers to ensure high-quality results. While their primary focus is on kitchens and bathrooms, their extensive remodeling experience translates well to room addition projects.
Why They Made the List
Their scale of operations (10,000+ projects) demonstrates significant experience and established systems. The emphasis on master craftsmen suggests a commitment to quality workmanship. They’re particularly well-suited for additions that include kitchen or bathroom components.
Website: homeimprovementskansascity.com
Service Area: Kansas City Metro Area
10. Martanne Construction
Martanne Construction focuses on creating high-quality room additions that blend seamlessly with existing homes. Their approach emphasizes exceptional craftsmanship and meticulous attention to detail. The company works closely with clients from the initial design concept through the final touches.
Why They Made the List
Martanne’s emphasis on seamless integration addresses one of the biggest concerns homeowners have with additions—making the new space look like it was always part of the home. Their client-focused approach throughout the project lifecycle suggests strong communication and personalized service.
Website: martanneconstruction.com
Service Area: Kansas City, MO
Tips for Choosing a Room Addition Contractor
- Get multiple quotes: Contact at least 3-4 contractors to compare pricing, timelines, and approaches before making a decision.
- Check references and reviews: Ask for references from past clients and look for online reviews to gauge customer satisfaction.
- Verify licensing and insurance: Ensure the contractor is properly licensed in Missouri or Kansas and carries adequate liability insurance and workers’ compensation.
- Review their portfolio: Look at photos of completed projects similar to what you’re planning to assess their quality and style.
- Get everything in writing: Ensure all project details, timelines, payment schedules, and warranties are documented in a formal contract.
- Understand the permit process: A reputable contractor should handle building permits and inspections—ask about their process.
- Discuss communication expectations: Establish how often you’ll receive updates and who your main point of contact will be.
- Ask about subcontractors: Find out if they use subcontractors for specialized work like electrical, plumbing, or HVAC.
