“We want to exceed your expectations. The construction of your new home, the remodel of your existing home is serious business to us. As lifelong residents of the Florida Keys we look forward to seeing you again and again; both in our showroom and in our community. We take pride in knowing we will always be able to greet you with a smile and a handshake. Our lifetime commitment to you is just one thing that separates us from the rest,”
-Franco D’Ascanio, President, Landscape & Home Automation, D’Asign Source.


D’Asign Source is a second generation business that has been building in the Florida Keys since 1968. Growing up in the Keys has given D’Asign Source owners, Tony, Franco, and Amedeo, unrivaled knowledge of building techniques and environmental concerns that exist in this unique, tropical locale. Together they take pride in their ability to listen to your needs and communicate your goals to their in-house team of professionals.



As a licensed general contractor, D’Asign Source eliminates the burden of dealing with multiple contractors and sub-contractors because the design, material selection, management, permitting, construction and finish work are already included in your design and build contract. This helps to further ensure your new home or remodel project stays on track, on time and on budget.



Building a new home or remodeling an existing home should be enjoyable, simple and stress-free.



11500 Overseas Highway,

Marathon, FL 33050

Phone. 305-743-7130

Fax. 305-743-8371


Showroom Hours

Monday to Friday: 9:00am – 5:00pm
Saturday: 10:00am – 4:00pm
Any time by appointment


Our Licenses

 Florida Certified General Contractor License # CGC026675

Florida Architect License # AA26001284
Florida Interior Design License # IB26000844
Florida Landscape Architecture License #LA6667217