About Us

Founded in 1985, The Margaret J. Grassi Insurance Agency Prides Itself on Outsanding Customer Service

The Margaret J. Grassi Insurance Agency has been family owned and operated for three generations. Our continued success comes from the fact that we treat all of our customers like family and give them the services they would expect from a small business, with the expertise and options you would expect from a large agency.

By utilizing a multitude of insurance carriers that provide coverage for auto, home, marine, business, life, disability and more; the Margaret J. Grassi Insurance Agency is able to customize insurance solutions to provide you with the peace of mind you deserve.

We offer thoughtful and strategic solutions to meet the needs of our clients, their families and businesses. Our team will take the time to get to you know you and your unique needs to ensure that we are giving sound advice every step of the way. Our experience helps to guide our clients and ensure they are receiving the proper coverage at the best possible rate.

Margaret J. Grassi


Meet Our Team 

Deb Grassi, CISR

Deb Grassi, CISR


Matthew Martin

Matthew Martin

Insurance Broker

Christal Johnson, CISR

Christal Johnson, CISR

Insurance Broker

Our Areas of Expertise

Auto Insurance

Whether it's your first car, next car or you own a fleet of vehicles for your business, you can trust the experts at Grassi Insurance to find the right policy to match your needs. With a multitude of insurance carriers to choose from, we ensure that you are getting the right coverage for the right price. 

Marine Insurance

As residents of Southeastern Massachusetts ourselves, we know the marine insurance market better than anyone. You can trust the professionals at Grassi Insurance to inform you of all your coverage options and find a solution that best meets your boat and marine insurance needs.


Are you paying too much for your homeowners insurance? Do you have a coastal property that's in a flood zone? You can trust the experts at Grassi Insurance to find you the right policy at the right price for your home. 


From small businesses to larger manufacturing companies and everything in between, Grassi Insurance has been working with Massachusetts business owners to ensure they have adequate protection for their businesses. 

Life Insurance

With a wide range of life insurance products on the market, how can you be sure which is right for you? Trust the experts at Grassi Insurance to help guide you to make the best decision for you and your family.


Protect your family and your assets with an Umbrella Policy. Umbrella policies offer protection above and beyond the limits of your other liability policies. 

Some of Our Carriers Include

(508) 295-2007 | 1188 Main St, West Wareham, MA 02576

Proudly Serving Southeastern MA Since 1985