Joanna Mayfield Marks is attentive, knowledgeable and hard-working. With over 20 years of real estate experience, Joanna is highly valued by her clientele and finds much of her business in returning clients and their good friends.


As a Brown Harris Stevens agent, she has exceptional

resources and up-to-the-minute information to expertly guide marketing efforts for sellers and efficiently identify top properties for buyers. And, most importantly,

Joanna is always accessible and truly

loves to help.

Call Joanna today for your complimentary home market analysis or to discuss searching and selling!

917.282.9061  |

100 7th Avenue, Brooklyn, NY 11215

Joanna Mayfield Marks
BHS' Top Agent for Brooklyn Feb 2021
America's Best 2017-2018
REBNY Agent of the Year 2017

Marianna N., Park Slope

Joanna brought her special brand of joyfulness to our family. She is an absolute pro who was willing to help us in every way and so often went out of her way. Her professional skills are stellar. The support she gave us made every step go smoothly - and she did it with a smile.


Annie G., Sunset Park

"Joanna has been the most genuine, sweet, honest, and down to earth realtor we have ever met! She made the entire process so easy and stress free. ...She really is one of a kind!"

Weston A., Park Slope

What an incredible experience with Joanna. She made everything easy and efficient! We used her knowledge and experience to both buy and sell an apartment in Brooklyn. I would not have chosen anyone else! 



630 Union Street, 5F

Park Slope

Welcome home to your top floor, two bedroom prewar condo. The gracious open feel showcases views, high ceilings and windows in every room creating a lovely breeze. Enter a long galley hallway to find sanctuary and striking light in your spacious open living room. Enjoy entertaining from your open modern kitchen with stainless appliances including a dishwasher.... View More


148 Berkeley Place

Park Slope

Enjoy the splendid grandeur of this lovely landmarked four-story single-family Italianate Brownstone just two-and-a-half blocks to the park! Handsome classic details include high ceilings, original doors, a beautiful banister, four marble mantels, plaster medallions, crown moldings, oversized windows and 100 year old floors throughout. Spread out in your... View More


574 44th Street, 3C

Sunset Park

Rarely available two bedroom facing the PARK! This lovely prewar two bedroom with bonus dining room is perfect for entertaining. The living and dining rooms create one large space that is filled with stunning light and have direct park and harbor views from five oversized windows. Enjoy splendid prewar details throughout including high ceilings, french doors, glass door knobs... View More