Massachusetts Residential Solar Tax Exemption

Massachusetts Department of Revenue

Available Solar & Renewable

About This Program

Massachusetts Residential Solar Tax Exemption is available to homeowners in Barnstable, MA.

State law exempts the added value of residential solar systems from property tax assessments for 20 years. Solar installations do not increase property taxes in Barnstable or elsewhere in Massachusetts.

Exempts approximately $20,000 in added property value from taxation over 20 years

Data last verified 2026-06-09. How we verify our data.

In Barnstable, MA, you can combine this program with other local help to cut your cost:

Key Details

  • Solar system value exempt from property tax
  • Exemption lasts 20 years from installation
  • Automatic benefit, no application needed
  • Available statewide including Barnstable
  • Applies to residential solar PV systems

How to Apply

Get free help applying Visit Official Program Page Track this program

(617) 887-6367

A grant-savvy contractor in Barnstable, MA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Barnstable early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Ongoing (automatic with solar installation)

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can Massachusetts Residential Solar Tax Exemption provide in Barnstable, MA?

100% property tax exemption.

Who qualifies for Massachusetts Residential Solar Tax Exemption in Barnstable?

Massachusetts Residential Solar Tax Exemption is open to homeowners in Barnstable, MA. It has no income limit.

How do I apply for Massachusetts Residential Solar Tax Exemption in Barnstable, MA?

Apply directly with Massachusetts Department of Revenue using the official program link on this page or call (617) 887-6367. There is no middleman and no fee.

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse Barnstable, MA contractors

Find More Programs in Barnstable, MA

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

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