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.
Every yard deserves an ADU. From factory-built container homes to custom luxury builds & everything in between — there's a fit for every yard, every budget, and every family legacy. Find them all at The ADU Exchange.
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.
Power Your ADU From the Sun.
Locally owned. Complete solar + battery systems — engineered for your ADU.
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.
Tomorrow Starts NOW.
Factory-built & state-approved. Smart, sustainable Corten steel ADUs delivered in 8–12 weeks, not 6–12 months. Solar & battery standard.
Ready to Build? Get Funded.
From construction & renovation loans to HELOCs & cash-out refinancing, John Alexopoulos & radius help New England homeowners finance the ADU that keeps family close. A lender who truly understands ADUs. Lending since 1999.
John Alexopoulos, Loan Officer · NMLS #252572 · Licensed in MA. Employed by radius financial group inc., Corp NMLS #1846 — MA Lender/Broker #MC1846, 600 Longwater Drive, Suite 107, Norwell, MA 02061. Verify at nmlsconsumeraccess.org. State licenses: radiusgrp.com/licenses. All loans subject to credit approval, income verification & property appraisal; not a commitment to lend. Rates/terms not advertised — contact John for current options. Not authorized by the NY Dept. of Financial Services. ADVERTISEMENT — The ADU Exchange LLC is not a lender or mortgage broker and does not originate, broker, or service loans; all lending services are provided solely by radius financial group inc.®, an Equal Housing Lender.
Everything You Need, All in One Place
Each department exists to solve a specific challenge in your ADU journey
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.
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.
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.
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.
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.
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.
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.
BYOT Builder
Build your own custom planning toolkit
PermitPac
Town-by-town permit requirements
Feasibility Tool
Analyze your property's ADU potential
DIY Planner
Budget, timeline & project management
Be Your Own
General Contractor.
Keep The Profit.
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.
- Full Roadmap
- Trade Recommendations
- Budget Templates
- Expert Consult
Ready to Build Your Dream?
Join thousands of Massachusetts and Rhode Island homeowners unlocking their property's potential.