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Boundless Tiny Homes

ADU Guides &
Local Updates

What you need to know about building an ADU or tiny home in Madison, WI and Dane County — zoning updates, permitting guides, and real project insights.

Featured
Live in Your Home. Rent the Backyard. Mount Horeb Now Allows ADUs.
Zoning Update Latest
Live in Your Home. Rent the Backyard. Mount Horeb Now Allows ADUs.
The Village of Mount Horeb passed its first ADU ordinance in March 2026 — a meaningful change for homeowners who've been waiting to add a second unit. For
March 24, 2026
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All Posts — 40 Articles
Two ADUs on One Lot: Madison's Updated Rules and How to Use Them
Local
Two ADUs on One Lot: Madison's Updated Rules and How to Use Them
March 17, 2026Read →
Mini-Split vs. Radiant vs. Forced Air: The Right HVAC for a Wisconsin ADU
Construction
Mini-Split vs. Radiant vs. Forced Air: The Right HVAC for a Wisconsin ADU
March 5, 2026Read →
Designing an ADU for a Parent: The Specific Details That Matter
Design
Designing an ADU for a Parent: The Specific Details That Matter
February 19, 2026Read →
Detached vs. Attached ADU at Resale: Which One Actually Adds More Value?
Finance
Detached vs. Attached ADU at Resale: Which One Actually Adds More Value?
February 5, 2026Read →
How Much Rental Income Can an ADU Generate in Madison, WI?
Finance
How Much Rental Income Can an ADU Generate in Madison, WI?
January 15, 2026Read →
Can an HOA Block You From Building an ADU in Madison?
ADU Regulations
Can an HOA Block You From Building an ADU in Madison?
January 6, 2026Read →
Cottage Courts in Madison: What Ordinance 90557 Actually Allows
Local
Cottage Courts in Madison: What Ordinance 90557 Actually Allows
December 15, 2025Read →
What the ADU Permit Process Actually Looks Like in Dane County
ADU Process
What the ADU Permit Process Actually Looks Like in Dane County
December 9, 2025Read →
Can You Sell Your ADU Separately From Your House in Wisconsin?
Finance
Can You Sell Your ADU Separately From Your House in Wisconsin?
December 2, 2025Read →
ADU vs. Home Addition: Which One Makes More Sense for Your Property?
ADU Education
ADU vs. Home Addition: Which One Makes More Sense for Your Property?
November 13, 2025Read →
The Real Permitting Timeline: Madison vs. Fitchburg vs. Middleton vs. Verona
ADU Process
The Real Permitting Timeline: Madison vs. Fitchburg vs. Middleton vs. Verona
November 4, 2025Read →
The Dane County ADU Checklist: Everything You Need Before You Start
ADU Process
The Dane County ADU Checklist: Everything You Need Before You Start
October 14, 2025Read →
ADU vs. Duplex: What's the Difference and Which One Can You Actually Build?
ADU Regulations
ADU vs. Duplex: What's the Difference and Which One Can You Actually Build?
October 2, 2025Read →
Madison’s Latest Housing Updates Could Make ADUs Even Easier
Local
Madison’s Latest Housing Updates Could Make ADUs Even Easier
September 13, 2025Read →
Two ADUs, one property: Madison landlords take note!
Local
Two ADUs, one property: Madison landlords take note!
September 13, 2025Read →
ADU Rental Income and Taxes: What Madison Landlords Need to Know
Finance
ADU Rental Income and Taxes: What Madison Landlords Need to Know
September 2, 2025Read →
Navigating Madison’s ADU Permit Process with Confidence
ADU Process
Navigating Madison’s ADU Permit Process with Confidence
August 28, 2025Read →
ADU Insulation and Building Envelope Standards for Wisconsin's Climate
Construction
ADU Insulation and Building Envelope Standards for Wisconsin's Climate
August 5, 2025Read →
How ADUs Affect Your Homeowner's Insurance — and What You Must Disclose
ADU Process
How ADUs Affect Your Homeowner's Insurance — and What You Must Disclose
July 22, 2025Read →
Tree Removal and ADU Placement: Madison's Urban Forestry Rules
ADU Regulations
Tree Removal and ADU Placement: Madison's Urban Forestry Rules
July 8, 2025Read →
What Triggers an Impact Fee on an ADU in Madison?
ADU Process
What Triggers an Impact Fee on an ADU in Madison?
June 19, 2025Read →
ADU Parking Requirements Across Dane County: Where You Need It and Where You Don't
ADU Regulations
ADU Parking Requirements Across Dane County: Where You Need It and Where You Don't
June 3, 2025Read →
Can You Airbnb Your ADU in Madison? Short-Term Rental Rules Explained
Local
Can You Airbnb Your ADU in Madison? Short-Term Rental Rules Explained
May 21, 2025Read →
Shared Utilities vs. Separate Meters: What ADU Owners in Madison Need to Decide
ADU Process
Shared Utilities vs. Separate Meters: What ADU Owners in Madison Need to Decide
May 6, 2025Read →
ADU Addresses in Madison: How the 911 Registration Process Works
ADU Process
ADU Addresses in Madison: How the 911 Registration Process Works
April 18, 2025Read →
ADU Foundation Options in Wisconsin: Slab, Frost Wall, or FPSF?
Construction
ADU Foundation Options in Wisconsin: Slab, Frost Wall, or FPSF?
April 4, 2025Read →
Why Hiring a General Contractor for Your ADU in Madison Might Be a Costly Mistake
ADU Process
Why Hiring a General Contractor for Your ADU in Madison Might Be a Costly Mistake
March 10, 2025Read →
Discover a Smarter Alternative to Assisted Living: ADUs Keep Your Loved Ones Close and Costs Low
ADU Benefits
Discover a Smarter Alternative to Assisted Living: ADUs Keep Your Loved Ones Close and Costs Low
March 7, 2025Read →
Madison’s New Zoning Laws Make It Easier to Build ADUs—Here’s What It Means for You
Local
Madison’s New Zoning Laws Make It Easier to Build ADUs—Here’s What It Means for You
February 27, 2025Read →
Will an ADU Boost Your Property Value? Here’s What Madison Homeowners Need to Know
ADU Benefits
Will an ADU Boost Your Property Value? Here’s What Madison Homeowners Need to Know
February 13, 2025Read →
7 Steps to Legally Build an Accessory Dwelling Unit (ADU) in Madison, WI in 2025
Local
7 Steps to Legally Build an Accessory Dwelling Unit (ADU) in Madison, WI in 2025
January 7, 2025Read →
Boundless Tiny Homes Teams Up with UWM to Advance ADU Design
Local
Boundless Tiny Homes Teams Up with UWM to Advance ADU Design
December 11, 2024Read →
Top 5 Reasons Madison, WI is the Perfect Location for Your ADU or Tiny Home
Local
Top 5 Reasons Madison, WI is the Perfect Location for Your ADU or Tiny Home
October 16, 2024Read →
Hidden Costs and Headaches: The Risks of Pre-Fab ADUs or Tiny Homes and Why Madison Needs On-Site Construction
Local
Hidden Costs and Headaches: The Risks of Pre-Fab ADUs or Tiny Homes and Why Madison Needs On-Site Construction
October 9, 2024Read →
Why ADUs Are the Perfect Solution for Madison’s Housing Shortage
Local
Why ADUs Are the Perfect Solution for Madison’s Housing Shortage
October 3, 2024Read →
ADU zoning Made Simple: How to Get Your ADU or Tiny Home Approved in Madison
ADU Process
ADU zoning Made Simple: How to Get Your ADU or Tiny Home Approved in Madison
October 1, 2024Read →
Top 5 ADU Design Trends for 2024: Maximize Your Space and Style
ADU Design
Top 5 ADU Design Trends for 2024: Maximize Your Space and Style
September 29, 2024Read →
How an ADU Can Boost Your Property Value in Madison
ADU Benefits
How an ADU Can Boost Your Property Value in Madison
September 15, 2024Read →
Breaking Down the Best ADU Financing Options for Homeowners
Financing
Breaking Down the Best ADU Financing Options for Homeowners
August 30, 2024Read →
Will an ADU Add Square Footage to My House?
ADU Benefits
Will an ADU Add Square Footage to My House?
August 16, 2024Read →