William Barnwell

Broker Associate, REALTOR®

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Favorite Street in Charleston

Live Oak Drive

Favorite Restaurant in Charleston

Poe’s Tavern

Favorite Activity Outside of Work

Going on the boat

Favorite Local Product

Palmetto Cheese

Favorite Annual Event

Restaurant Week

Must-See Spot in Charleston

Pitt Street Bridge

Client Testimonials

We had a great experience working with William Barnwell at The Cassina Group. He was patient during our search, helped us navigate the process and kept us well informed! We had such a positive experience working with William - I highly recommend him and The Cassina Group!

Kathleen Kaepplinger


Born and raised in the area, William understands all that the Charleston market has to offer. After graduating from Porter-Gaud School, he earned his degree in Real Estate Finance from Clemson University.

He has experience in new home construction, as well as commercial development. William has been practicing real estate ever since obtaining his broker’s license in 2014 and enjoys educating both buyers and sellers about all options afforded to them.

When he is not working, William can be found with friends and family on the boat, golf course or local sporting events.


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