Joan Marks, The Agency One Rock

Joan Marks, The Agency One Rock Manager/Coach/Regional Business Development The Agency One Rock in Westchester County and Connecticut. Joan’s real estate career began in 2001.

Contact me at 914-200-3931 or [email protected] to learn why The Agency is one of the fastest growing independent brokerages in the US Joan Marks is devoted to helping motivated real estate professionals achieve success at their highest level possible through coaching, training and leadership. Drawing on her impressive background in the corporate financial services world and spanning the past 20 years in real estate services and management, Joan Marks has developed a thorough understanding of what it takes to succeed. As current manager of the Westchester | Hudson Valley region of Christie’s International Real Estate, she is committed to sharing her extensive knowledge and success formulas with the real estate agents she now leads. From 2001-2013, she was a successful sales agent earning her place as a top producer working with first time home buyers and flippers, to investors and luxury markets. Her real estate career continued to flourish, rising to being named broker of record and manager/director for various real estate brokerages in Northern New Jersey, Rockland and Westchester, NY counties. Her more than 30 years as a business leader has made her the best partner for any motivated entrepreneur who is ready to take their business to the next level. She is committed to the objective of increasing market share, coaching, consulting and helping agents maximize their potential and achieve their goals. Those who have worked closely with Joan describe her as a true leader who knows how to bring out the best in everyone. Joan stresses a results-oriented approach to coaching based on accountability. She understands that success comes with hard work and determination. Joan is both compassionate and passionate, while helping those she mentors set clear and attainable goals and inspiring them to reach higher. When she has a moment or two, Joan is an avid skier, music lover (everything from R&B to opera) and graciously entertains. If you want to grow your work for a fast growing global brand, grow your business and become more efficient, talk to Joan today about affiliating with Christie’s Westchester | Hudson Valley.

Celebrating our August Top Producers!Congratulations to our outstanding Top Producing Agents on their impressive results...
09/02/2026

Celebrating our August Top Producers!
Congratulations to our outstanding Top Producing Agents on their impressive results. With the fourth quarter officially underway, we’re looking forward to seeing this momentum carry through the final stretch of 2026. 🔥🔥🔥


Joan Marks, Broker/Manager
The Agency One Rock | Westchester
(914) 200-1515
[email protected]

5 Tips to Create a Home That Supports Indoor-Outdoor LivingJoan Marks, ManagerChristie's International Real Estate | Wes...
08/30/2026

5 Tips to Create a Home That Supports Indoor-Outdoor Living

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

See how these homeowner renovations improved indoor-outdoor living with wider doors, better deck access, and more. Find top, vetted contractors at Sweeten.

Wealth does not necessarily make everyday life dramatically more expensive, but it changes what people are willing to pa...
08/27/2026

Wealth does not necessarily make everyday life dramatically more expensive, but it changes what people are willing to pay for a home.

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

Wealth does not necessarily make everyday life dramatically more expensive, but it changes what people are willing to pay for a home.

You don’t need to be a pro in the kitchen to whip up these delicious chicken recipes. Even beginner cooks will find that...
08/25/2026

You don’t need to be a pro in the kitchen to whip up these delicious chicken recipes. Even beginner cooks will find that these no-sweat recipes come together with ease.

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

You don’t need to be a pro in the kitchen to whip up these delicious chicken recipes. Even beginner cooks will find that these no-sweat recipes come together with ease.

Want to know how much your home is worth? Find out now - Don't wait another day! 🗓️Joan Marks, ManagerChristie's Interna...
08/25/2026

Want to know how much your home is worth? Find out now - Don't wait another day! 🗓️

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

Thinking about selling your home? Get a quick estimate of your home's value.

Thinking about selling your home? Get a quick estimate to see how your home compares to the rest of the market!Joan Mark...
08/23/2026

Thinking about selling your home? Get a quick estimate to see how your home compares to the rest of the market!

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

Thinking about selling your home? Click below for a quick estimate to see how your home compares to the rest of the market

The Old Farmer's Almanac Fall 2026 Outlook: Is Your Property Ready for El Niño?Joan Marks, ManagerChristie's Internation...
08/21/2026

The Old Farmer's Almanac Fall 2026 Outlook: Is Your Property Ready for El Niño?

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

The fall 2026 forecast reveals a distinct national split: a warm interior wrapped in cooler coastal weather.

Mortgage Applications Plunge as Surging Interest Rates Deter BuyersJoan Marks, ManagerChristie's International Real Esta...
08/19/2026

Mortgage Applications Plunge as Surging Interest Rates Deter Buyers

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

Buyers pulled back from the market as mortgage rates increased, causing home loan and refinance demand to wane.

Petite proportions are no obstacle for these creative setups.Joan Marks, ManagerChristie's International Real Estate | W...
08/17/2026

Petite proportions are no obstacle for these creative setups.

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

While a sprawling lawn and full-size pool might seem like the dream, small backyards can be chock full of charm, too. All it takes is some intentionality when it comes to the choosing the layout, furnishings, and textures for your space. So whether you’re sunbathing or hosting a summer soiree, pet

The Sunshine Protection Act would mean lighter evenings and darker mornings. The real impact would depend on where you l...
08/13/2026

The Sunshine Protection Act would mean lighter evenings and darker mornings. The real impact would depend on where you live.

Joan Marks, Manager
Christie's International Real Estate | Westchester
(914) 200-3931
[email protected]

The Sunshine Protection Act would mean lighter evenings and darker mornings. The real impact would depend on where you live.

Address

Scarsdale, NY

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