Designed for Luxury

Built to Last.

Design/Build Firm in Southeastern Wisconsin

At Renz Construction, luxury isn’t just upscale finishes or grand designs—it’s an attitude. It’s a place where premium products, quality craftsmanship, and a tailored approach converge to craft a custom home.

Custom

Designs

Sprawling spaces that embody your distinct vision and way of life. Your ideas, needs, and desires help us shape your dream home design.

Quality

Craftsmanship

A commitment to excellence ensures we execute everything, from framing to finish carpentry, with meticulous attention to detail and superior craftsmanship.

Exceptional

Service

Excellent communication and personalized service ease the building process. We promise a client-focused, design-build experience built on transparency and trust.

Services

Serving Lake Country, Waukesha County, and all of Southeastern Wisconsin, since 2008.

Premier

Custom Homes

Distinct, well-built homes that reflect unique lifestyles and discerning tastes. We build homes with quality, care and a personalized touch and maintain transparency throughout the process.

Home Remodels

& Additions

Transform and revitalize a cherished home with a full- or partial remodel or addition.

Kitchen & Bathroom

Remodels

Rejuvenate a kitchen or bathroom with a fresh look, updated fixtures, and modern amenities.

Luxurious

Lower Levels

Increase living space with functional lower-level living spaces designed for the entire family.

Upscale Garages, Sheds

& Exteriors

Enhance appearances and functionality with updated entryways and custom garages and sheds.

Get to Know Us

Introducing Greg and Wendy, the husband and wife team behind Renz Construction. Wendy and Greg personally oversee each project to build premium homes that meet the highest of standards. Greg’s always on the jobsite, working with the team. Wendy keeps projects on track, scheduling and ordering materials, maintaining budgets and timelines, while helping homeowners with the finer details. Both aim for transparency and open communication to make building a home enjoyable and stress-free.

Get Inspired

Discover our portfolio of completed homes.