Basement Finishing in Thiensville

Professional Basement Finishing & Remodeling in Thiensville, WI

Turn unused square footage into livable space with help from Steadfast Construction. We finish basements in Thiensville with comfort, safety, and custom function in mind—whether it’s a media room, kids’ play space, guest suite, or home gym.


Our team starts with what matters most: moisture protection, insulation, proper HVAC, and code-compliant framing and egress. Then we add the finishes and features that make your lower level truly feel like home.

An empty sun room with lots of windows and doors leading to a deck.

Why Choose Steadfast for Your Thiensville Basement

01

Design + Build Planning

Efficient layouts, clear scheduling, and finish selection guidance.

02

Moisture Management First

Vapor barriers, sump, and drainage addressed before finishing.

03

Comfort & Code

We install to local standards and for year-round usability.

04

Optional Upgrades

Soundproofing, bars, bath additions, built-ins, and more

See lower-level transformations completed across Thiensville and surrounding communities.

Get Inspired: Check out this blog!

Finishing basements in Thiensville, Mequon, Grafton, Cedarburg, Bayside, and Fox Point.

FAQs

Can you build a guest suite in my basement?

Yes—we can add bedrooms, bathrooms, and private entrances if needed.

How long does a basement remodel take?

Most Thiensville basement projects take 5–8 weeks based on scope and materials.

Will my basement feel like the rest of the house?

Yes. We ensure consistency in flooring, lighting, trim, and layout flow.

Start Your Thiensville Basement Remodel

Let’s transform your lower level into one of your favorite spaces.