David Koster PA - ONE Sotheby's International Realty

David Koster PA - ONE Sotheby's International Realty PURVEYORS OF LUXURY REAL ESTATE IN SOUTH FLORIDA Executive Vice President within the renowned global luxury real estate firm; Sotheby’s.

Unique Experience
• Engaged in the real estate industry for over two decades, serving as a Realtor and also a licensed Real Estate Broker for the past 16 years.
• Established and operated a real estate brokerage firm, guiding a team to achieve sales exceeding $1.5 billion, culminating in the company's acquisition by Sotheby’s in 2020.
• Acquired extensive experience as the managing broker for 150

sales agents over nearly a decade by addressing daily agent inquiries, facilitating conflict resolution, negotiating transactions, and cultivating a nuanced understanding of market dynamics and trends.
• Spearheaded the development of a 20,000 square foot luxury townhome project, demonstrating proficiency in project management and ex*****on.
• Provided comprehensive support to various developers through market analysis, sales strategy formulation, and marketing initiatives.
• Advised commercial investors, demonstrating adeptness in due diligence processes, market assessment, and pro forma financial modeling.
• Possess specialized expertise spanning over twenty years in the acquisition, sale, and brokerage of preconstruction condominium residences. FAQ
• Established Penthouselife.com, the premier online marketplace for penthouse properties, catering to a discerning clientele. Credentials
Bachelor of Business Administration in Information Systems, BBA-IS
Licensed Real Estate Broker and Realtor, DBPR
Accredited Buyer's Representative, (ABR®)
Real Estate Negotiation Expert Certification, (RENE)
Master Brokers Forum member, MBF

Having been raised in the Midwest of the United States, David has cultivated a work ethic that sets him apart. Additionally, David is committed to personally handling all of his clients' needs; without delegating them to junior agents. His approach is centered on only accepting new clients that he can manage directly, ensuring the quality and attention to detail his clients deserve

As a result of his unparalleled sales achievements and unwavering adherence to ethical standards, David has been honored with membership in South Florida's esteemed Master Brokers Forum, an elite association of top-tier brokers. Furthermore, he has garnered recognition from prominent publications such as 'Who's Who' in Miami Agent Magazine and 'People on The Move' in the South Florida Business Journal. David's expertise has been highlighted in esteemed industry publications including The Real Deal, The South Florida Business Journal, Aventura Magazine, Haven Lifestyles, and the duPont Registry.

South Florida’s housing market is going through big changes — but not in one direction.🏢 Older condos are feeling the sq...
09/09/2025

South Florida’s housing market is going through big changes — but not in one direction.

🏢 Older condos are feeling the squeeze from assessments and new legislation.
🏡 High-end homes ($2M–$10M) remain resilient with strong cash demand.
💎 Ultra-luxury ($10M+) continues to thrive with billionaire buyers.

I put together a breakdown of what’s really happening across Miami-Dade, Broward, and Palm Beach — and why I call it Boom, Bust, and Billionaires.

Take a look here ⬇️
👉

How regulatory changes, wealth migration, and inventory crunches are rewriting South Florida’s housing story.

07/19/2025

After a long pandemic-era layover, foreign homebuyers are finally unpacking their wallets, according to new data from the National Association of Realtors.

09/22/2024

A new study has found that Miami is among the most desired places to move to – for yet another year.

08/27/2024

Citadel founder Ken Griffin plans to break ground on his supertall mixed-use tower on Miami’s bayfront in 2025.

05/18/2024

The Sunshine State has become a magnet for billionaires seeking tax relief. Among the latest to join the trend is Amazon founder Jeff Bezos, who has recently expanded his real estate holdings in Miami’s exclusive Billionaire Bunker area. Bezos’ acquisitions include three properties, bringing his...

05/17/2024

Developer Todd Michael Glaser and investors sell Palm Beach's only private island, with its new mega-mansion, for a reported $150 million.

04/05/2024

Amazon founder Jeff Bezos reportedly now owns three properties on the Florida island of Indian Creek. House No. 3 cost $90 million, according to Bloomberg.

08/21/2023

The Amazon founder’s $68 million Indian Creek purchase is among the priciest deals to close in the South Florida city in recent years

Address

Sunny Isles Beach, FL
33160

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 10am - 5pm
Sunday 10am - 5pm

Telephone

+13057766308

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