LL Engineering

LL Engineering PC is a Bayside, NY-based full-service engineering firm offering mechanical, electrical, plumbing, fire-alarm and fire-protection system design, along with expediting, construction management and inspections. With deep experience navigating New York building codes and streamlining workflows from initial concept through final build, we deliver high-quality, compliant engineering solutions tailored to residential, commercial and mixed-use projects—all from one trusted partner.