ADU Building Milwaukee WI Accessory Dwelling Units by Expert General Contractors

Accessory dwelling units - ADUs - are one of the smartest property investments available to Milwaukee homeowners right now. Whether you're looking to house a family member, generate rental income, or create a dedicated work-from-home space, an ADU adds significant value and flexibility to your property. Our general contractors in Milwaukee, WI design and build ADUs of every type, handling everything from Milwaukee zoning approvals to final CO.

Types of ADUs We Build in Milwaukee

Detached ADUs (Backyard Cottages)

A separate structure in your backyard - fully independent with its own entrance, utilities, kitchen, and bathroom. We handle site planning, foundation work, framing, all rough-ins, and interior finishing. We design detached ADUs to complement the architectural character of your existing home and neighborhood.

Attached ADUs (Home Additions)

An addition connected to your primary home but with a separate entrance and living facilities. These share a wall with the main house, which reduces foundation and exterior costs while still delivering a fully private living space.

Garage Conversions

Converting an attached or detached garage into a living space is one of the most cost-effective ADU options in Milwaukee. We handle insulation upgrades, slab modifications for plumbing, window additions for egress and natural light, and full interior finishing.

Basement ADUs

As a complement to our basement remodeling services, we convert lower levels into fully legal ADUs with proper egress, separate entrances, full kitchens, and bathrooms - ideal for multigenerational living or rental income.

Milwaukee ADU Zoning & Permitting

Milwaukee has specific zoning regulations governing ADU placement, setbacks, size limits, and parking requirements. We navigate all of this for you - researching your specific lot's zoning classification, preparing permit applications, and communicating with city reviewers until approval is in hand.

ADU Building Costs in Milwaukee WI

ADU costs in Milwaukee range widely based on type and scope. Garage conversions typically start around $40,000-$70,000. Attached additions run $90,000-$160,000. Detached backyard cottages range from $120,000 to $250,000+. We provide detailed estimates based on your specific property and goals.

Areas We Serve

We build ADUs throughout Milwaukee and surrounding communities including Wauwatosa, Shorewood, Glendale, Oak Creek, West Allis, Greenfield, and Franklin.