Lassen Realty LLC

Knowledge & Integrity

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MetroWest... and Beyond
Lassen Realty is the Key for Your Success

Knowledge & Integrity

Longtime MetroWest residents, Mark & Liz bring real-world
experience, patience and uncompromising loyalty
to our investors, home buyers and sellers.

Mark Kosa, Realtor®
MA Lic #51326

In addition to holding his real estate license for over 20 years, Mark’s background brings a wealth of practical experience to his work. Whether you are buying, selling or investing, his experience as a Home Inspector and Master Electrician make him a valuable resource for Lassen Realty clients.

Liz Lassen, Realtor®
MA Lic #148877

Liz is an licensed attorney and real estate broker. After practicing biotech patent law for two decades, she started Lassen Realty to apply her negotiation, analytical and business skills to solve real problems for real people.

How We Work Together

  • Schedule a Time to Connect
  • Fully Understand your Real Estate Goals
  • Evaluate Market Data & Develop Your Plan
  • We Keep Track of the Details
  • Celebrate a Job Well Done!

MetroWest… and Beyond

There are so many different lifestyles in MetroWest:  urban, suburban, rural, new construction, antique houses, many walkable neighborhoods full of Cape Cod, Ranch and Colonial style homes.  We even have high rise apartments and a variety of condominiums and town homes.  At Lassen Realty, we know them all.

If your home to buy or sell is beyond the Boston MetroWest 495/Route 9 corridor, no worries!
We are licensed to work in all of Massachusetts.

Here are just some of the wonderful towns we serve:

Ashland
Framingham
Grafton
Hopkinton
Holliston
Hudson

Marlborough
Millbury
Natick
Northborough
Shrewsbury
Southborough

Sutton
Upton
Westborough
Worcester

Don’t Just Take our Word for It

110 Hayden Rowe, Hopkinton MA
Home in Hopkinton MA
Do it. Do it now. Do what they say to do.

"Because of Liz's work making sure I was always prepared, while my offer was not necessarily higher than competing offers, it was otherwise so solid that the sellers, pressed into a squeeze of their own making, could not pass up the sincerity and assured strength of my offer."

Tyler (Buyer)

Riverside Condominium, Grafton MA
Outstanding Team

"Liz is incredibly knowledgeable, on top of everything, and was always in touch with me when selling my house in Grafton, MA and buying my new in Auburn, MA. And, they both did an excellent job of calming my stress of selling and buying together."

Mike (Seller & Buyer)

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Schedule a Free Consultation

We would love to discuss your long term and your short term goals regarding home ownership.  Real estate is such a big investment.  The right time for you to buy or to sell a property might be months or years away.  We enjoy our work and genuinely want to help you make the plan that is best for you.  So, please feel free to reach out and chat.