Connect. Build. Grow.
New England's premier Ecosystem connecting homeowners with qualified ADU professionals. Browse by trade, compare qualifications, and build your dream ADU.
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.
Find Your ADU Pro in Minutes.
Browse 500+ pre-screened, licensed trades across 10 construction aisles — from architects to solar installers. Every pro is verified for your peace of mind.
Browse by Construction Phase
Navigate our organized "Aisles" to find specialists for every stage of your ADU build.
Plan & Design Aisle
DESIGN & PLANNINGTurn your vision into reality with expert planning and design professionals.
Licensed architects specializing in ADU design and permitting
Structural and civil engineers for code-compliant plans
Create beautiful, functional interior spaces
Connect with homeowners planning their ADU builds
Protect Your ADU Investment — Breathe Easy from Day One
Air Guardian Inc. — Over a decade of trusted expertise serving MA & RI. Indoor air quality consulting, mold remediation, basement waterproofing, air duct cleaning & 24/7 emergency restoration.
Site Prep Aisle
SITE PREPARATIONPrepare your property for construction with excavation and grading experts.
Site clearing, grading, and foundation prep
Site preparation and finish landscaping services
Connect with homeowners starting their ADU projects
Power Your ADU From the Sun.
Isaksen Solar — Over a decade of trusted expertise serving MA, RI, NH, ME & VT. Residential solar systems, battery backup, EV charging stations & Tesla Solar Roof. 600+ five-star reviews. 25-year warranty.
Framing & Rough-Ins Aisle
FRAMING & STRUCTUREBuild the structure with experienced framing and foundation specialists.
Concrete work and foundation systems
Expert structural framing and rough carpentry
Siding, roofing, windows, and exterior finishes
Build the backbone of quality ADU projects
Heat. Cool. Comfort. Since 2001.
BDL Heating & Cooling — Full-service HVAC for New England ADUs. 20,000+ MA & RI homes serviced. Heat pumps, mini-splits, hydro air, high velocity, water heaters. Mitsubishi Elite Diamond, American Standard Customer Care Dealer, Amana Advantage. 0% Mass Save financing. 24/7 service, 365 days a year.
MEP Aisle
MECHANICAL • ELECTRICAL • PLUMBINGCritical systems installation by licensed professionals.
Water supply, drainage, and gas line installation
Electrical systems, panels, and smart home integration
Heating, cooling, and ventilation systems
Power the infrastructure of modern ADUs
Plumbed Right. Every Time.
Priority One Plumbing & Heating — Full-service ADU plumbing & gas for Southeastern MA. High-efficiency boilers & combi-boilers, tankless water heaters, gas piping, oil-to-gas conversions, water filtration, residential & commercial. 24/7 emergency service. Family-owned sister of BDL Heating & Cooling.
MA PLUMBING #4172
FAMILY OWNED
Finishes & Details Aisle
FINISHES & DETAILSTransform your space with professional finishing touches.
Interior walls, ceilings, texture finishes
Interior and exterior painting
Hardwood, tile, vinyl installation
Kitchen, bath, and floor tiling
Trim, doors, cabinets, millwork
Sinks, faucets, toilets, shower systems
Create stunning spaces that wow homeowners
Tomorrow Starts NOW.
ContainerSolutions — Smart, sustainable shipping container homes engineered for modern living. Factory-built, state-approved Corten steel ADUs delivered in 8–12 weeks, not 6–12 months. Solar & battery standard. Models from $78K. Tour our flagship Core40 in East Providence.
Maintenance & Specialty Aisle
SPECIALTY SERVICESSpecialized services for unique ADU requirements and ongoing maintenance.
Solar panel systems and green energy solutions
Smart home security and monitoring
Post-construction cleaning services
Offer specialized services to ADU owners
Financing That Keeps Your ADU Jobs Moving.
Send your homeowners to John Alexopoulos & radius — construction, renovation, HELOC & cash-out lending that gets clients to a confident yes, so your builds start on schedule. A financing partner who 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.
Giving Homes a Second Chance
Redeemed Design & Build — 14+ years of expert craftsmanship serving RI & MA. Kitchen & bath remodels, home additions, new construction, historical restorations & structural repairs. Licensed, insured, 5.0★ Google rated.
The Bank Vault Aisle
Financing PartnersConnect homeowners with ADU-friendly financing. Banks and lending partners offering specialized ADU loans and construction financing.
Specialized ADU construction loans and refinancing
Compare loan options and get pre-qualified
Streamlined process for ADU financing
Three partnership tiers to connect with ADU builders
The Courthouse Aisle
Legal CounselExpert legal guidance for ADU projects. Attorneys and legal advisors specializing in real estate, zoning, permits, and construction law.
Property rights, easements, and title issues
Navigate complex zoning laws and permits
Contracts, disputes, and compliance
Builder's risk, liability, and property coverage
Connect with homeowners needing legal and insurance guidance
Connect With ADU Decision Makers
Ideal placement for lenders, attorneys, title companies, and real estate professionals. Reach homeowners navigating the legal and financial side of ADU development.
Real Estate Professionals Aisle
Investment ExpertsExpert guidance on ADU investments, rental strategies, and ROI maximization. Connect homeowners with real estate professionals specializing in ADU value and income potential.
Calculate returns and rental income potential
Understand how ADUs increase home equity
Expert advice on tenant management and pricing
Help homeowners maximize their ADU investment
Materials & Supplies Aisle
Building EssentialsQuality materials at competitive prices for every ADU build phase. Connect with trusted suppliers offering lumber, hardware, fixtures, and specialty items – all vetted for ADU construction excellence.
Premium lumber, engineered wood, and structural materials
Screws, nails, brackets, and connectors for every phase
Lighting, plumbing fixtures, and interior finishes
Energy-efficient insulation and green building materials
Reach thousands of ADU builders and homeowners
Grow Your Business
With The ADU Exchange
Join New England's premier ADU Ecosystem. Get direct access to homeowners ready to build, expand your service reach, and connect with fellow trades.
Become an ADU Exchange Partner Today
Direct Builder Access
Connect directly with homeowners actively exploring ADU projects. No middlemen – just real inquiries from curious builders ready to talk.
- Real-time lead notifications
- Direct contact information
Build Your Reputation
Showcase your work, collect reviews, and establish yourself as the go-to ADU expert in your trade across New England.
- Professional profile & portfolio
- Verified customer reviews
Multi-Service Exposure
List across multiple aisles if you offer more than one trade. Electrician AND solar installer? Get seen in both categories.
- Multiple aisle listings
- Broader project reach
Trade Networking
Connect with other trades and GCs on the platform. Need a plumber for your framing job? Find trusted partners right here.
- Trade-to-trade referrals
- Build your crew network
ADU Education
Access ADU-specific resources, local code guides, and best practices. Stay informed on what makes ADU projects unique.
- Local zoning & code info
- ADU project best practices
Affordable Plans
Membership tiers that fit your business – whether you're just starting out or ready to dominate the ADU market.
- Plans starting at $49/mo
- Upgrade anytime
Build instant trust
New England territory
Live in minutes
Real humans, real help
Why Trades Choose The ADU Exchange
The only platform built specifically for the ADU market
Not general contracting – just ADUs
All of New England
You talk to customers, not us
Check out our free course on building ADUs in New England
Building ADUs in New England
The ADU Exchange
Master Certified GC
The ultimate partnership for elite general contractors. Become the exclusive builder when homeowners choose the full-service solution.
Exclusive Builder Status
When homeowners click "The ADU Exchange Master Builder," they're connected directly to YOU. No bidding wars, no competition – you're the exclusive partner.
- Featured on homepage and trades portal
- Direct referrals from The ADU Exchange team
- Branded marketing materials provided
Revenue Share Partnership
In addition to your monthly fee, you pay a percentage of each build to The ADU Exchange. We're invested in your success – the more you build, the more we both win.
- Transparent, fair revenue share model
- High-value project pipeline
- No fees until project starts
What's Included
Premium Branding
Your company featured as "Master Builder" with exclusive badge and priority placement.
Exclusive Leads
Direct referrals from homeowners clicking "Master Builder" – no competition.
Dedicated Support
Priority support and dedicated account manager for your partnership.
Limited availability – one contractor per region
Ready to Get Started?
Join New England's fastest-growing ADU Ecosystem today. Whether you're building or bidding, we're here to help.