New England's Premier ADU Ecosystem

Your Backyard unlocked,
Building Family Legacies
One ADU at a time.

Our Mission

The 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.

Who is The ADU Exchange?

Discover how the complete ADU ecosystem works - connecting homeowners, builders, professionals and municipalities. All in one place.

About Us

Can I Even Build?

Check zoning, ROI, and site costs before you commit.

Free Feasibility Check

Popular

Do It For Me

Skip the headaches. Let our build partner handle everything.

Easy Solution

New England Focused

The Complete ADU Ecosystem

Expert-Backed Resources

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 Types

Your Questions Answered

Eliminate the Unknowns

Get instant answers to the two most critical questions every ADU builder faces

"Is it legal on my lot?"

Don't guess. Our zoning tools check setbacks & bylaws instantly for your exact property.

Check Zoning Now

"Why the ADU Exchange?"

Discover ADU and small housing industry reports - The ADU Exchange Code of Ethics & ADU Exchange Summit Information.

About us

Choose Your Department

Municipal Portal

The Town Hall

Resources for municipal officials — zoning frameworks, permitting toolkits, and community impact tools. We never write laws; we help your team manage ADU applications efficiently.

Enter Town Hall

LIVE NEWS FEED

The ADU Exchange
Market News

Breaking legislation, financing programs, and construction trends — updated daily from verified New England sources.

Free ADU Designs (NEW)

$25K

0% Down Payment Help

1,224

ADUs Approved Year 1

Architectural rendering of an accessory dwelling unit nestled between two New England homes — Massachusetts ADU Design Challenge winning design

BREAKING May 1, 2026 — Mass.gov

Gov. Healey Announces 8 Winners of MA ADU Design Challenge — Free Plans Now Available Statewide

From over 100 submissions across nearly 50 Massachusetts municipalities, eight winning ADU designs were named — including ICON Architecture's "Fabricated Module, Local Dwelling" (1st place, pictured). All plans are free to download at mass.gov/ADUdesigns.

Massachusetts Design Now Available

Just Announced Apr 28, 2026

MassHousing Expands $25K Interest-Free Down Payment Help

$25M expansion now offers up to $25K at 0% interest with deferred repayment — saving buyers up to $31K. Lock-in window: Apr 27 – Jul 31, 2026.

Alert Effective Jan 1, 2026

Federal Solar & Energy Tax Credits Sunset Under OBBBA

§25D (30% solar) and §25C (heat pumps, insulation) ended Dec 31, 2025. Mass Save HEAT Loan now the primary efficiency path forward.

● BREAKING — 8 Winning ADU Designs announced May 1, 2026 — Free at mass.gov/ADUdesigns ● MassHousing $25K 0% Down Payment Help Expanded — Lock In By July 31, 2026 ● MassHousing ADU Loan Program LIVE — up to $250K, 5.25% fixed, 20-year term ● MassCEC launches MyMassADU.org — see what an ADU could look like on your lot ● Federal Solar Tax Credit (§25D) Sunset Dec 31, 2025 — Mass Save HEAT Loan now primary path ● BREAKING — 8 Winning ADU Designs announced May 1, 2026 — Free at mass.gov/ADUdesigns ● MassHousing $25K 0% Down Payment Help Expanded — Lock In By July 31, 2026 ● MassHousing ADU Loan Program LIVE — up to $250K, 5.25% fixed, 20-year term ● MassCEC launches MyMassADU.org — see what an ADU could look like on your lot ● Federal Solar Tax Credit (§25D) Sunset Dec 31, 2025 — Mass Save HEAT Loan now primary path

Enter the ADU Newsroom

All articles sourced from Mass.gov, MassHousing, MassCEC, Fannie Mae, WBUR, Boston Herald, Solar.com & more — verified daily

Three generations of a family sharing a meal and conversation at a sunlit kitchen table

95%

of 55+ want
to age at home

Aging in Place — A New Vision

Keep Family Close.
Keep Them Home.

An ADU is more than extra square footage — it's a way to bring aging parents home with dignity, give adult children their start, and keep three generations close without sacrificing privacy. Less assisted-living cost. More family.

Multigenerational
Universal Design
Save vs. Assisted Living
Preserve Independence

Explore Aging in Place

Don't Waste $50,000+ on a Build That Won't Get Approved

78% of DIY ADU projects face unexpected setbacks costing an average of $67,000 in delays, redesigns, and permit issues. Know before you build.

The Feasibility Center

ADU FEASIBILITY
REPORT

Know exactly what you can build, where you can build it, and what it will cost— before you spend a single dollar.

Save 6-12 Months

Skip the trial and error

Avoid $50K+ Mistakes

Build it right the first time

Learn How to be Code Compliant

Research-backed guidance

CHOOSE YOUR STARTING POINT

Start with our free instant feasibility check — covering every town in all 6 New England states.

FREE TOOL

INSTANT FEASIBILITY CHECK

FREE $299 100% FREE

Answer 7 quick questions. Get your instant feasibility score, zoning snapshot, and financial estimates — covering every town in all 6 New England states.

Instant Feasibility Score

Scored 0–100 based on your property, location & goals

Zoning Eligibility Snapshot

State legislation, by-right status & size caps for your town

Financial Estimates

Est. rent, value added, build cost & downloadable PDF report

Check My Property Free →

⚡ 3 minutes · No credit card required · Instant results

Start Your Free Feasibility Check →

Free instant results · No credit card required

Don't want to manage the project yourself?

Skip the DIY. Use The Easy Solution and let our build partner handle everything from feasibility to Certificate of Occupancy.

Master GC Program

"We Build. You Earn."

Average Build Time

26-48 Weeks