Protecting, Restoring & Improving Buildings Since 1970
Commercial roofing, restoration, waterproofing, and specialty construction solutions for property owners, institutions, municipalities, and residential communities.
Comprehensive Building Solutions
Six core disciplines, self-performed by in-house crews — so quality, schedule, and accountability stay with one team.
FEATUREDPROJECTS
From NYCHA envelope restoration to structural parking-deck rehabilitation, our case studies document the breadth and complexity of our commercial work.
VIEW ALL PROJECTSLoading featured projects...
OVER 1,000 PROJECTS COMPLETED SINCE 1970
EXPLORE PORTFOLIOTrusted by Owners, Managers & Public Agencies
Decades of experience across the building types that depend on a reliable, compliant contractor.
Experience That Builds Confidence
Why owners and agencies bring L&M their most demanding capital projects.
Established in 1970
More than five decades of construction and restoration expertise.
Self-Performed Workforce
Direct control of quality, scheduling, and project execution.
Safety-Driven Culture
Comprehensive training, compliance, and risk-management programs.
Multi-Disciplinary Capabilities
Roofing, restoration, waterproofing, and specialty construction under one roof.
Protecting Building Assets for the Long Term
From roof replacements and façade restoration to waterproofing and amenity construction, L&M helps owners preserve property value, improve performance, and plan for the future.
LET'S BUILDSOMETHINGEXCEPTIONAL
From commercial roofing to green roof systems and historic restoration, we bring expertise and craftsmanship to every project.
Port Chester, NY 10573
SERVING THE TRI-STATE AREA SINCE 1970
Trusted Partners
We work exclusively with industry-leading manufacturers to deliver superior results





MBE NYC & NY STATE
Minority Owned Business Enterprise