Opens in a new tab
Family-Owned Since 1973 • Licensed & Insured • Free In-Home Estimates • Serving All of Waukesha County
New Berlin, WI · Service Area

Basement Remodeling in New Berlin, WI

A typical New Berlin house dates to the early 1970s, and its basement is often ready for a second life. We plan, permit and build lower-level rooms that fit how your family lives today.
Historical Park in New Berlin, Wisconsin
Photo: Awkwafaba, CC BY-SA 3.0

New Berlin Basement Remodeling for 1960s to 1980s Homes

New Berlin grew fast after it became a city in 1959. About 5,300 people lived here in 1950, and nearly 27,000 by 1970. Builders kept going through the 1980s and ’90s, so the housing mix spans several decades. Many of those basements still have original block or poured walls, bare joists and a single light bulb. That’s a blank slate for basement finishing.

Other owners are dealing with a rec room someone built decades ago. Think dark paneling, a sagging drop ceiling and too few outlets. Our basement renovation work strips that out and rebuilds the space properly. If a guest room or teen bedroom is on the list, an egress window usually comes first in the plan.

Permits and Inspections in New Berlin

The city’s Building Inspection permits page lists rec rooms as needing three permits: building, electrical and plumbing. It also notes that plan review can take up to 10 business days. Field visits are handled through the city’s partner, SafeBuilt, according to the New Berlin Inspections page. Larger jobs get rough framing, electrical and plumbing checks, then an insulation inspection before drywall, then a final. We apply for the permits and book each inspection at least a day ahead, as the city asks.

New Berlin’s Rec Room Rules: Ceilings, Plans and Bedrooms

New Berlin publishes a Recreation Rooms guideline for basement projects. It asks for two floor plans at 1/4-inch scale, with every room labeled. Finished ceilings need 7 feet, with 6’4″ allowed under beams and ducts if at least half the area still reaches 7 feet. Houses built before June 1, 1980 may keep 6’4″ ceilings in basement rooms. The guide also says no one may sleep in a finished basement without proper egress, natural light and ventilation. Foam insulation has to be covered by a 15-minute thermal barrier, such as half-inch drywall.

Septic Lots, Big Storms and Dry Basements

Per the housing chapter of the New Berlin comprehensive plan, large lots on the city’s western side use private onsite wastewater systems. Sanitary sewer isn’t available there. On those properties, a basement bathroom needs careful drain planning before we cut any concrete. Water is the other concern. The Wisconsin State Climatology Office logged a preliminary 11.75 inches in New Berlin during the August 9–10, 2025 storm. Before framing, we look at your sump, grading and any past seepage. If something needs fixing, we talk through basement waterproofing first.

What We Build in New Berlin

Lower-Level Projects for New Berlin Homeowners

Every job starts with a visit to your basement. You get a written estimate that lists each part of the work, so nothing is a surprise.

Basement Finishing

Unfinished New Berlin basements become warm, usable rooms with framed and insulated walls, new lighting and outlets. We design around posts and ducts to meet the city's ceiling rules.
Learn about basement finishing →

Basement Remodeling

Finished in the '70s or '80s and showing it? We remove worn paneling and old ceilings, then rebuild with a layout that suits your family now.
Learn about basement remodeling →

Bathroom Additions

A new lower-level bath needs a plumbing permit in New Berlin. On septic lots, we work out the drain route before anything gets cut.
Learn about bathroom additions →

Home Theaters

Basement rooms with few windows are ideal for a big screen. We plan seating, wiring and lighting to the city's electrical guidelines.
Learn about home theaters →

Wet Bars

A sink, fridge and counter downstairs make game nights easier. We cover the plumbing and electrical permits it takes.
Learn about wet bars →

Egress Windows

New Berlin won't allow sleeping in a finished basement without proper egress. We cut the opening, set the well and install the window.
Learn about egress windows →
Common Questions

New Berlin Basement FAQs

Ready to Plan Your New Berlin Basement?

Call (262) 271-6875 to set up a visit. We'll walk the space with you, explain what the city requires, and send a line-by-line estimate at no cost.