15 Properties

15 Properties offers local expertise across many sectors regarding residential property types along with commercial/industrial property types, office, medical office properties, retail, multifamily, and investment sales. 

15 Properties has worked with landlords, owners, and investors with tenant representation of multiple property portfolios. 15 Properties’ main focus is determining a property’s highest and best use to maximize the property’s greatest return. 

RECENTLY CLOSED

Residential Properties

  • Boynton Beach, FL

  • Coral Gables, FL

  • Brickell (Miami), FL

  • Jupiter, FL

  • Fort Lauderdale, FL

  • Davie, FL

  • Plantation, FL

  • Fort Lauderdale, FL

  • Coral Gables, FL

  • Miami, FL

  • Fort Lauderdale, FL

  • Westlake, FL

  • Fort Lauderdale, FL

  • Fort Lauderdale, FL

Residential Property Info

OUR FOCUS

Commercial Properties

  • Office

    Unlock your business potential with our expert office brokerage services. We navigate the real estate landscape to find the perfect office that suits your unique needs.

  • Healthcare

    Specializing in healthcare real estate, our expertise ensures a seamless search process, considering specialized requirements to create a space that supports your patients.

  • Retail

    Whether you're seeking a prime storefront or a strategic location for expansion, we navigate the market to secure retail spaces that align with your brand and business goals.

  • Industrial

    From warehouses to manufacturing facilities, we're committed to securing spaces that enhance efficiency and support the growth of your industrial ventures.

Commercial Property Info

Meet the Team

Get to know the faces behind our exceptional service. Meet our dedicated team of real estate professionals, each bringing unique expertise and passion to guide you through your real estate journey. Click the link below to explore our team members' profiles and discover the strength that powers our commitment to your success.

  • Founder, President

    Kathryn B. Gillespie is the President and Broker of 15 Properties, a South Florida-based real estate firm specializing in a wide range of product types across Broward and Palm Beach Counties.

    A native Floridian, Kathryn brings over a decade of industry experience and an insider’s understanding of the local market with a client-focused approach to every transaction. Kathryn has worked on both the landlord and tenant sides of transactions, currently managing over 80,000 square feet of commercial space, and has been actively involved in multiple space buildouts and refits. This hands-on expertise allows her to offer comprehensive guidance on everything from negotiations, property operations and long-term property strategies, being a driving force in the industry.

    Before founding 15 Properties, Kathryn spent seven years with SVN Commercial Realty in Fort Lauderdale. Her early experience managing family-owned commercial rental properties throughout South Florida provided a strong foundation in investment operations, leasing, and market dynamics.

    Known for her perseverance, attention to detail, and client-first mindset, Kathryn blends traditional relationship-building with modern marketing and tech-forward solutions to deliver exceptional results.

    She earned a Bachelor’s Degree in Finance from Florida Atlantic University and remains actively involved in her community. Kathryn supports the Leukemia and Lymphoma Society and The Boys and Girls Club, and is a lifelong sports enthusiast.

Testimonials

  • "End to End. That’s what it’s like working with 15 Properties, the level of care, the education, and the relentless focus on the customer experience in achieving your goals is how I found this place to be more than just a business but a trusted partner. The vision becomes so clear when your needs and voices are accurately heard. Thank you 15 Properties!"

    - J.P.

  • “It has been a pleasure working with you these past years and we at RSI are pleased to hear that we will continue to experience the high level of service and professionalism that you have brought to the management of our building. It takes a special talent to keep a large mixed use facility working and running smoothly. You have always demonstrated that you have got what it takes.

    - J.T., Owner, RSFI Cruise

  • "Excellent experience working with the 15 Properties team. They helped me purchase my first home. We can't recommend them enough. 5 stars all the way around!"

    - Zack P.

  • "I've had the pleasure of working with Kathryn for a handful of times over a handful of years now, and can't imagine working with anyone else. Prompt, professional, and extremely diligent. If you don't already have a Kathryn to help you, quit wasting your time!"

    - Jack White