F3 Construction Corp General Contractor

F3 Construction Corp General Contractor operates from Central Islip, New York, earning a 5.0-star rating across 41 customer reviews. The company handles residential construction projects including backyard transformations, roofing, fencing, patios, and full basement renovations. Multiple reviewers note the team serves homeowners throughout the Long Island region, with customers specifically recommending the contractor to neighbors and friends seeking reliable construction services.

Reviewers consistently praise the company's communication and project management throughout construction. One customer notes the crew checked in every evening before leaving and maintained a clean workspace despite the mess inherent to renovation work. The team honors their initial quotes without hidden surprises, and customers describe the craftsmanship as top-notch across framing, electrical, and trim work. The company accommodates mid-project upgrade requests with clear cost discussions.

Several reviewers specifically mention working with Olman Flores, describing him as available to answer questions and helpful in reviewing options with material samples. A reviewer calls out Ives, the general manager who visited daily to explain progress and address concerns. The basement renovation project for Delaney AutoGroup demonstrates the company's ability to transform dark, unused spaces into functional living areas, while Jim Gallagher's review describes a backyard project that exceeded his family's vision.