Dane County's
ADU Experts
We design, permit, and build Accessory Dwelling Units for homeowners throughout Dane County. ADUs are not a side project — they are all we do.
What's An ADU?
An ADU — Accessory Dwelling Unit — is a fully independent living space on your property with its own entrance, kitchen, and bathroom. ADUs deliver flexibility: they increase property value, accommodate aging loved ones, or generate rental income.
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ADU Solutions Designed for Real Properties
No two properties, or families, are exactly alike. That's why we have multiple ADU types, each designed to address common site conditions, zoning constraints, and homeowner goals across Dane County.
A fully independent structure on your lot. Maximum privacy and flexibility for family, guests, or rental use.
Shares a wall with your home. Efficient where lot space is constrained by setbacks or zoning.
Built above or replacing a garage. Maximizes vertical space while preserving parking and access.
Practical poolside living — storage, entertaining space, or a fully independent guest suite.
Dedicated, permanent workspace built to full ADU spec — with conversion potential if your needs change.
Get Your Move-In Ready ADU with Our Boundless System in just 4–6 Months
Building ADUs involves complex coordination with local zoning, utility access, and permitting. We've developed a proven process that keeps your project moving with transparency and predictable timing.
We start by understanding your goals and evaluating your property to confirm feasibility, placement, and overall fit — so there are no surprises down the line.
Work with our team to design your ADU using our proven system — whether that's one of our efficient base plans or a thoughtfully customized layout tailored to your needs.
You'll receive clear, upfront pricing based on real site conditions and design decisions, allowing you to move forward with confidence.
Our permitting team handles plan preparation and submissions, managing the approval process end-to-end while keeping things moving efficiently.
From foundation to final finishes, we manage the entire construction process — typically completing your ADU in 4–6 months. We do a final walkthrough to make sure everything is perfect, then hand over your keys.
Full Turnkey Construction & Finishes All Included
Built on-site at your property using top-notch materials and craftsmanship — custom-built to match your existing home's aesthetic.
Why Choose Boundless Tiny Homes Over a General Contractor?
"General Contractors" treat ADUs as side projects — leading to delays, hidden costs, and poor communication. We're different because we specialize in small homes, ensuring a smooth, transparent, and efficient process from start to finish.
Dane County Homeowners.
Real Projects. Real Feedback.
Built in Madison.
Built for Wisconsin.
See If an ADU Is Right for Your Property
Start with a comprehensive ADU feasibility review tailored to your parcel, zoning, and goals — with no ambiguity or hidden costs.
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Frequently Asked Questions
Straight answers to the questions we hear most. If yours isn't here, we're one call away.