Having a three-season room in your home is a luxury well worth the investment. Big, beautiful windows allow for lots of sunlight while keeping the weather outside where it belongs.
Midwest Builders can build a custom three-season room for your Iowa home. We use high-quality materials that will make your room extremely low-maintenance. Our windows and insulation are the best on the market and will provide a stable environment for your three-season room. No matter your style, we can complete your vision and match your home perfectly. Call us today for more information!
Every three-season room from Midwest Builders is designed to make the most of spring, summer, and fall, with features built for comfort and durability:
Because every home and project is different, our team will walk you through exactly which materials and features make sense for your budget and goals during your free consultation.
If you’re hoping to use your new room year-round, including through Iowa winters, our four-season room page breaks down what it takes to add heating and cooling to the space.
Midwest Builders has been one of Iowa’s most trusted contracting companies since 1954, and our team handles every step of your three-season room project in-house, from initial design through final walkthrough. Based in Des Moines, IA, we serve a 75-mile radius around Des Moines, including Ankeny, West Des Moines, Urbandale, and the surrounding Central Iowa area. We use high-quality, low-maintenance windows and materials on every three-season room we build, and our team is licensed for the state of Iowa and attentive to the needs of its customers — designing each room to fit both your home’s architecture and how your family plans to use the space. Be sure to read our testimonials to learn more about our reputation in the area.
If you want to build a three-season room in Des Moines, IA, and surrounding areas, contact Midwest Builders today to get started with your free quote!

Three-season room costs depend on the size of the addition, window quality, and finishing materials you choose. Midwest Builders offers free, no-obligation quotes so you can get an accurate cost estimate for your specific project.
A three-season room isn’t connected to your home’s heating and air conditioning, making it best suited for spring through fall use. A four-season room ties directly into your home’s HVAC system, so it can be used comfortably year-round, including through Iowa winters.
Most three-season room additions require a building permit, since they’re a permanent structure attached to your home. Midwest Builders is licensed for the state of Iowa and can help guide you through the permitting process.
Timelines vary based on the size of the addition, materials selected, and current project scheduling. Our team can give you a personalized estimate for your three-season room project once we understand the scope during your free consultation.
Yes — a well-built three-season room adds functional living space and curb appeal, which can boost your home’s resale value. It’s typically a more affordable option than a four-season room while still giving you a bright, comfortable space to enjoy most of the year.
Midwest Builders serves 75 miles around Ankeny, Iowa. We are licensed for the state of Iowa, so if you don’t see your service area city listed below, don’t hesitate to contact us as we would be happy to talk to you!
We have been serving all of Iowa for all their patio, window, siding, and garage needs for many years, and we look forward to doing it for years to come. Cities we serve include: