
Social Media
Specialties
New York City Luxury Properties, Buyer's Agent, Upper East Side Townhouses, Co-ops and New Developments, Listing Agent, International Luxury Properties.
Education
ESSEC Business School, Paris, M.B.A.
University Pantheon-Assas, Paris
J.D. in Business Law
Admitted to the Paris Bar
About Marion

Marion Magnuson is a former Mergers & Acquisitions attorney who brings extensive expertise across the condominium, co-op, and townhouse markets in New York City. Specializing in townhouses, co-ops and new development condominiums on the Upper East Side and Upper West Side, Marion is known for her exceptional work ethic, refined taste in design and renovation, and her dedication to negotiating the best deals for her clients.
Before joining Compass, Marion worked with one of the top teams at Douglas Elliman, where she was recognized as a 2024 Rising Star. Prior to her career in real estate, she practiced law at Sullivan & Cromwell LLP in both Paris and New York, advising clients on mergers, acquisitions, capital markets transactions, and white-collar litigation. Her legal background and training lend Marion a unique advantage in navigating complex real estate transactions. She holds an MBA degree from ESSEC Business School, a J.D. in Business Law from University Paris-Assas as well as the Paris Bar.
Originally from France, Marion's passion for real estate and design was shaped by growing up in a family of architects and living in iconic buildings designed by Le Corbusier and Georges-EugĆØne Haussmann. Now a proud New Yorker, she appreciates the city's rich architectural heritage, from the classic designs of Rosario Candela to the modern luxury of new developments. Having owned and renovated properties in both Paris and New York City, she brings a discerning eye to every transaction, helping clients optimize both value and lifestyle.
Marion currently resides on the Upper East Side with her husband Matthew and two young children.
![Marion's Logo]()
Before joining Compass, Marion worked with one of the top teams at Douglas Elliman, where she was recognized as a 2024 Rising Star. Prior to her career in real estate, she practiced law at Sullivan & Cromwell LLP in both Paris and New York, advising clients on mergers, acquisitions, capital markets transactions, and white-collar litigation. Her legal background and training lend Marion a unique advantage in navigating complex real estate transactions. She holds an MBA degree from ESSEC Business School, a J.D. in Business Law from University Paris-Assas as well as the Paris Bar.
Originally from France, Marion's passion for real estate and design was shaped by growing up in a family of architects and living in iconic buildings designed by Le Corbusier and Georges-EugĆØne Haussmann. Now a proud New Yorker, she appreciates the city's rich architectural heritage, from the classic designs of Rosario Candela to the modern luxury of new developments. Having owned and renovated properties in both Paris and New York City, she brings a discerning eye to every transaction, helping clients optimize both value and lifestyle.
Marion currently resides on the Upper East Side with her husband Matthew and two young children.

Spotlight
St. CROIX ISLAND: 744- & 100-Acre Spectacular Beachfront Properties for Sale ($22.5 million & $18.9 million)
Active Listing!
Contact Marion Magnuson, co-listing the following exceptional land opportunities in St. Croix, U.S. Virgin Islands:
LONGFORD: 744 acres, waterfront property located on the south side of the island, with 1 mile of beachfront. Zoned R-1 (single-family/residential) ā $22.5 million
COAKLEY BAY: 100 acres, waterfront property located on the north side of the island, with 3,000 ft. of white sand beach. Zoned R-3 (hotel/condominium/resort) ā $18.9 million
St. Croix offers an Economic Development Commission (EDC) Tax Incentive Program, which allows individuals and companies to qualify for a 90% reduction in corporate taxes and a 90% reduction in personal income taxes.

Spotlight
NY Times, Big Ticket: Joan Didion's Estate
Marion Magnuson represented the buyer in the transaction.

Spotlight
Olshan Report: No. 1 Contract for Luxury Sales in Manhattan
Marion Magnuson represented the buyer for the No. 1 contract.

Spotlight
NY Times: Owner of Chelsea Piers Lists His Upper West Side Townhouse
Marion Magnuson held the listing for the brownstone.

Marion Magnusonās Listings
Marion Magnusonās Transactions
Past Sales

$14,200,000
- Bedrooms
- 6
17 E 92nd St