Learn the Basics
What's an ADU?
ADUs (Accessory Dwelling Units) are secondary homes on the same lot ; detached, attached, or converted from existing space.
Explore ADU TypesThe ADU Exchange exists to make ADUs Accessible and Affordable to ALL Homeowners.
By simplifying a complex process and aligning homeowners with the right professionals, tools, and resources — at the right time.
Learn the Basics
ADUs (Accessory Dwelling Units) are secondary homes on the same lot ; detached, attached, or converted from existing space.
Explore ADU TypesGet instant answers to the three most critical questions every ADU builder faces
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Don't guess. Our zoning tools check setbacks & bylaws instantly for your exact property.
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See rental projections and ROI analysis before you break ground. Know your returns upfront.
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Follow a step-by-step roadmap used by professional builders. No guesswork, just results.
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DIY Programs, Designs & Feasibility
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Solar • Smart Home • ADA
Resources for municipal officials — zoning frameworks, permitting toolkits, and community impact tools. We never write laws; we help your team manage ADU applications efficiently.
Zoning clarity, feasibility tools, and vetted professionals — before you spend real money.
Start with zoning, feasibility, and cost reality.
Get StartedGet involved before ADU projects are designed and bid.
Apply NowBreaking legislation, financing programs, and construction trends — updated daily from verified New England sources.
Fixed-rate subordinate mortgages for detached and attached ADUs launching spring 2026.
Only 550 ADUs permitted in H1 2025 — less than 1/4 of California's per-capita rate.
All articles sourced from Mass.gov, WBUR, Boston Herald, WBJ & more — verified daily
78% of DIY ADU projects face unexpected setbacks costing an average of $67,000 in delays, redesigns, and permit issues. Know before you build.
Know exactly what you can build, where you can build it, and what it will cost— before you spend a single dollar.
Skip the trial and error
Build it right the first time
Research-backed guidance
Start with essential feasibility insights, or get the complete picture with our comprehensive analysis
Get started with confidence. Know if your project is viable before investing thousands.
Instant zoning compliance check
Size limits & setback requirements
Actionable next steps for your property
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Everything you need to move forward with confidence. The complete roadmap from concept to construction.
Avoid costly mistakes and delays. This report pays for itself 100X over.
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For just $2,500 , unlock the "Brain in Your Pocket" package. Get the roadmap, trade partner network, budget trackers, and expert consulting you need to manage the build yourself.
