ADU Resources & Support
Tools, guidance, and other information to support you throughout your ADU project.
Our ADU Tools
Get expert support and resources to plan and build your ADU.
Look up your address to see what might be possible on your property.
Estimate costs, potential rental income and affordability for your ADU.
Massachusetts ADU Programs
Receive an incentive payment to help off set the cost of a Feasibility Study.
Low-interest loans to help homeowners finance the construction of an ADU.
Loans to help make homes safer and more accessible for aging in place.
Earn Incentives for building energy-efficient homes, including ADUs.
Learn and Find Inspiration
Official Guidance and Other Resources
Rules & Property
Local and Regional Resources
Boston Homeowners
Find city-specific programs, guides and support for ADU projects in Boston.
Pioneer Valley Homeowners
Access local information, programs and experts in the Pioneer Valley Region