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🏠 The Department Store for ADUs

Your ADU Journey Starts Here

Everything you need to plan, finance, permit, and build your Accessory Dwelling Unit — organized, accessible, and designed for homeowners like you.

💡 Our Mission

Why THE ADU EXCHANGE LLC Exists

To make ADUs Accessible and Affordable to ALL Homeowners.

Building an ADU shouldn't require insider knowledge, endless Google searches, or expensive consultants. We believe every homeowner deserves access to the same tools, professionals, and resources — organized in one place, at the right time, guiding you from dream to done.

💡 The Journey

Learn About The ADU Journey HERE

Researching and building an ADU can be Complex and Time Comsuming for ANY Homeowners. We are here to simplify the steps and fast track the entire process for you.

Click here to get started for free.

🧰 Start Your Journey
🏪 The Departments

Everything You Need, All in One Place

Each department exists to solve a specific challenge in your ADU journey

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Find a Trade

The Builder's Workshop

Building an ADU requires skilled hands — from architects and general contractors to electricians, plumbers, and finish carpenters. We connect you with verified, ADU-experienced professionals who understand the unique challenges of accessory dwelling construction.

✓ Design ✓ Build ✓ Accessories ✓ Supplies
Explore Trades →
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The Bank Vault

Financing Made Simple

ADUs require capital, but financing options can be confusing. HELOCs, construction loans, FHA 203k, cash-out refinance — we help you understand your options and connect with lenders who specialize in ADU financing for Massachusetts and Rhode Island homeowners.

✓ Banks ✓ Credit Unions ✓ ADU Programs ✓ Advisors
Find Financing →
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The Court House

Navigate the Red Tape

Permits, zoning variances, setback requirements, legal contracts — the bureaucratic maze can stop projects before they start. Our legal and permitting professionals help you understand regulations, prepare applications, and protect your investment.

✓ Permits ✓ Legal ✓ Zoning ✓ Title
Get Legal Help →
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Real Estate

ADU-Smart Agents

Whether you're buying a property with ADU potential, selling a home with an existing unit, or evaluating the value an ADU adds — you need agents who understand this unique market. Our certified agents specialize in ADU transactions.

✓ Buyers Agents ✓ Sellers Agents ✓ Valuations ✓ Investment
Find an Agent →

Accessories

Upgrade & Enhance

Modern ADUs deserve modern features — solar panels for energy independence, smart home technology for convenience, accessibility features for aging in place, and security systems for peace of mind. Find certified vendors for every upgrade.

✓ Solar ✓ Smart Home ✓ ADA ✓ Security
Shop Accessories →
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The Tool Box

DIY Planning Power

You don't need expensive consultants. Our free, powerful tools help you analyze feasibility, navigate permits, plan your budget, and manage your entire ADU project — designed specifically for hands-on homeowners who want to take control.

✓ BYOT Builder ✓ PermitPac ✓ Feasibility ✓ DIY Planner
Open Tool Box →

Built for DIY Dreamers & Doers

You don't need to hire expensive consultants or spend weeks researching. Our tools and resources are designed to empower you — whether you're planning your first ADU or your fifth.

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BYOT Builder

Build your own custom planning toolkit

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PermitPac

Town-by-town permit requirements

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Feasibility Tool

Analyze your property's ADU potential

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DIY Planner

Budget, timeline & project management

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The ADU Exchange Proprietary MA & RI Knowledge-Packed Tools
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Ready to Build Your Dream?

Join thousands of Massachusetts and Rhode Island homeowners unlocking their property's potential.