Des Moines, Iowa

Home Addition Des Moines
Basement Finishing
That Creates Real Space

Sitting on an unfinished basement and not using it? At Bump Out Addition Des Moines, we finish basements into livable, functional spaces — family rooms, home offices, guest bedrooms, and more — built right for older Des Moines homes that are overdue for an upgrade.

Finished basement home addition in Des Moines Iowa
100+ Projects Completed
5+ Years in Des Moines
98% Customer Satisfaction
$0 Estimate Fee
Our Expertise

Professional Basement Finishing in Des Moines

Most unfinished basements in Des Moines homes have bare concrete walls, exposed pipes, leaking floors, and zero insulation. They're damp, cold, and completely off limits for everyday living. Basement finishing changes that — turning wasted square footage below ground into a room your family actually wants to use.

We work with both new and quality aftermarket materials — flooring tiles, drywall, insulation, lighting, and fixtures — so the finished result fits your budget and holds up through Iowa's wet springs and cold winters. Every basement we finish is built to stay dry, stay warm, and look great for years.

Start Your Project
Basement finishing renovation in progress Des Moines Iowa
How It Works

Our 5-Step Basement Finishing Process

01
Initial Consultation

We begin by understanding your vision, needs, and budget — at no cost to you. We assess the current condition of your basement and talk through how you want to use the finished space.

02
Design Planning

Together we create a plan that maximizes the space — including moisture control, insulation, flooring, electrical, and egress — with material options in both new and aftermarket to fit your budget.

03
Permits & Approvals

Our team navigates all local Des Moines regulations and permits required for your basement finishing project so everything is done by the book from the very first day.

04
Construction

We handle everything from waterproofing and framing to flooring, drywall, electrical, and finish work — ensuring minimal disruption to your daily life while delivering a space that's ready to use.

05
Final Walkthrough

Once the project is complete, we walk through every detail to ensure you are completely satisfied before we consider the job done.

Completed basement finishing project with luxury vinyl flooring Des Moines Iowa
When You Need Us

Common Reasons Homeowners Choose Basement Finishing

  • Wasted Unfinished Space

    An unfinished basement is often the largest unused room in the house. Finishing it properly doubles your livable square footage at a fraction of the cost of a full home addition.

  • Aging Infrastructure

    Older Des Moines homes often have basements with leaking floors, cracked walls, outdated electrical, and no moisture control. Finishing the basement is the right time to fix those problems properly.

  • Life Changes

    A growing family, a teenager needing their own space, or the need for a dedicated guest room can make basement finishing a real priority — not just a someday project.

  • Wear & Tear

    A basement with ongoing moisture issues, damaged flooring, or failing walls benefits far more from a full finishing project than repeated small repairs that never fully address the underlying problems.

Full-Service Solutions

Repair, Replacement & Maintenance Options

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Repairing Existing Structures

Before we finish, we address what's already broken — leaking floors, cracked walls, water infiltration, and outdated electrical. Building over existing problems never works. We fix them first.

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Replacing Old Features

Old flooring, windows, fixtures, and insulation can be replaced with energy-efficient alternatives as part of the finishing project. We work with new and quality aftermarket materials to fit your budget without cutting corners.

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Routine Maintenance

We advise on how to keep your finished basement in top shape year after year — managing moisture, protecting flooring, and maintaining fixtures through Iowa's wet springs and cold winters so your investment holds up long term.

★★★★★
"Our basement was just a damp storage area we avoided. Bump Out Addition Des Moines fixed the moisture issues, finished it out, and now we have a family room and a guest bedroom down there. It completely changed how we use the house."

— Mark & Diane F., Polk City, IA

Get Started Today

Stop Ignoring Your Basement
and Start Using It

Contact us today for a free estimate and let's start planning your basement finishing project in Des Moines. We'll come out, look at what you have, and give you a straight answer on what it takes.