Luxury Custom Homes in South Florida

Zahn Development, Inc. is a third-generation, family-led builder crafting custom residences throughout South Florida’s most distinguished communities. Since 1958, we have delivered refined homes through disciplined execution, transparent management, and direct client collaboration.

Each project is treated as a one-of-one commission, guided from concept through completion with hands-on leadership and exacting standards. The result is a seamless building experience and a residence defined by craftsmanship, precision, and enduring value.

Services

Design-Build

Zahn Development delivers projects through a fully integrated design-build structure uniting architecture, construction, and interiors under one team. Clients work with a single accountable partner from concept through completion, resulting in faster decisions, controlled costs, and residences executed with precision and craftsmanship.

Architecture

  • Architect of Record
  • Programming and Space Planning
  • Schematic Design
  • Design Development
  • Construction Documents
  • Building Code Analysis
  • Mechanical, Electrical, and Plumbing (MEP) Coordination
  • Floor Plans, Elevations, and Sections
  • 3D Modeling and Visualization

Construction

  • General Contracting
  • Project Management
  • Permitting and Approvals
  • Demolition and Site Clearing
  • Site Work and Grading
  • Foundations and Piling
  • Concrete Structure and Shell
  • Mechanical, Electrical, and Plumbing (MEP) Systems
  • Roofing
  • Hurricane Impact Windows and Doors
  • Drywall and Interior Partitions
  • Flooring and Wall Finishes
  • Interior Doors
  • Custom-Built Kitchens and Appliances
  • Painting and Specialty Finishes
  • Custom Cabinetry, Millwork, and Woodwork
  • Countertops and Slab Fabrication
  • Lighting and Electrical Fixtures
  • Home Automation, Lighting Control, and Security Systems
  • Swimming Pools and Water Features
  • Dock, Seawall, and Boat Lift Construction
  • Landscaping, Irrigation, and Outdoor Lighting

Interior Design

  • Space Planning and Layout
  • Material Selection and Specification
  • Color Scheme Development
  • Lighting Design and Fixture Selection
  • Plumbing Fixture Selection
  • Custom Cabinetry and Built-ins Design
  • Hardware Selection
  • Kitchen and Bath Design
  • Appliance Selection and Integration
  • Furniture Selection, Layout, and Specification
  • Textiles and Upholstery Selection
  • Window Treatments Design and Specification
  • Art and Accessory Curation
  • Sustainable and Eco-friendly Design Solutions

Team

Andrew Zahn

President
General Contractor
CGC1525834

As President of Zahn Development, Inc., Andrew is passionate about creating homes that are both timeless and tailored to the people who live in them. He approaches each project as a collaboration, guiding clients through the process with clarity and care. From the first conversations about vision and design to the final walk-through, his goal is to deliver not just a house but a home that reflects elegance, comfort, and individuality.

With a background that blends business, design, and sustainability, Andrew brings a unique perspective to luxury building. He holds a Bachelor of Science in Business Administration and Computer Information Sciences from the University of Florida, is a Certified General Contractor in the State of Florida, a LEED Accredited Professional, and studied design at the Danish Design School in Copenhagen, Denmark.

Rita Sosa-Zahn

Architect
Interior Designer
AR98666 - ID6364

Rita is a licensed architect and interior designer in the state of Florida. As Principal Architect and Project Manager at Zahn Development, Inc., she guides every stage of the design-build process, from initial concept through final construction. Known for her ability to listen closely and translate her clients’ vision into tailored architectural designs, Rita approaches each project with professionalism, creativity, and warmth. Her deep understanding of custom home construction allows her to deliver homes that are both elegant and enduring.

Rita earned her Bachelor of Architecture from Florida Atlantic University. She holds licenses as both an architect and interior designer in the state of Florida and also serves as Vice President of Architecture Studio, Inc.