Formerly known as Carastro, our renowned services are now part of the nationally recognized BSA brand. Rest assured, our clients and partners will continue to experience the unwavering quality and commitment they've come to expect from the Carastro team. Additionally, they will now have access to the cutting-edge design and technical expertise that BSA is renowned for. Explore the future of architecture, engineering, interior design, and planning at

This page will automatically redirect to in 20 seconds.
Building on our years of experience, our focus is on designing high-quality commercial and recreational facilities—both new and renovation projects. Our goal is to design systems that are safe and comfortable, while using reliable and energy-efficient technologies. Whether your project is commercial or recreational, Carastro & Associates has the qualified and experienced professionals to complete your commercial project successfully.

The James Museum

The James Museum of Western & Wildlife Art provides a location for almost 500 pieces of art from the collection of Tom & Mary James/Raymond James, at the existing 100 Central Avenue building in downtown St. Petersburg.    This project renovated two floors consisting of 80,000 SF. The Museum provides 30,000 SF of gallery space […]

Read More


Three story, 230,000 square foot raised floor office building with a central atrium and two office wings. Full kitchen, dining room, outdoor dining terrace, fitness center and computer room. Two 720 ton cooling towers, chillers, multiple air handlers and a smoke evacuation system. Complete building management system including environmental, lighting and security. Two main switchgear […]

Read More

Ring Power

32,000 SF office building for sales, service and parts support. MEP design for: Reception, lobby, open workstations and private offices. Specialized lighting and control systems designed for executive board room and theater. Variable air volume system throughout. Installed new fire alarm system, break rooms and ADA restrooms.

Read More

Port Tampa Bay

Three story, 42,000 square foot glass/steel structure featuring a 70 foot glass atrium with a 52 foot diameter world globe.  Design of emergency power, HVAC, plumbing and fire systems.  Two 150 ton air cooled chillers, central air handlers for each floor.  Central outside air and exhaust risers.  Direct digital control system, atrium air conditioning system […]

Read More

Buccaneers Training Room

New construction of 140,000 SF training center including 10,000 SF weight room, 7,000 SF locker room, fully equipped kitchen and dining room, theater style auditorium and press conference studio. Complete electrical system design including energy efficient lighting indoors and outdoors with specialized lighting control and dimming; Independent electrical distribution for corporate offices maintenance facilities, including […]

Read More