Serving Siouxland Since 1892

If you’re looking for an exterior remodeling contractor in Sioux City, IA and the surrounding area, you won’t find a more reliable company to work with than Mullin Awning & Siding. We’ve been a family owned and operated business serving Siouxland since 1892. High quality products, excellent workmanship, and great customer service are at the heart of all we do. From siding and windows to doors, awnings, shades, gutters, and more; we are here to make your exterior remodel a success. Contact us today to schedule your free estimate!

Our Products & Services

At Mullin Awning & Siding, we’ve seen a lot of manufactures come and go over the decades. We’ve been in the industry long enough to know which products are quality and which products are a temporary fix. We love the companies we work with and know we can stand behind our products. For your protection and peace of mind, we are fully licensed, bonded, and insured.


We truly appreciate our customers, and we are grateful for their continued trust in our company. Check out what they have said about their experience with our team!


Browse through a few of our past projects to see the incredible transformations and for ideas for your upcoming exterior remodeling project!

Free Estimates

We offer free estimates at Mullin Awning & Siding. Our professional sales team will give you an honest and timely quote and give you the space to think the project over. We know remodels are a commitment and want to help you think over all the details. Contact us today for a free estimate!