Construction law is a general reference to various areas of law as applied to the design, engineering, and construction of buildings—including residential buildings and commercial buildings—as well as bridges, roads, pipelines, railroads, water transmission and distribution systems, electrical power transmission systems, sewerage systems, and other structures.

In addition to the law governing the filing and removal of mechanic’s and materialmen’s liens (also known as contractor liens), construction law includes contract law, employment law, personal injury law, insurance law, zoning law, and real estate law.

In New York, construction law encompasses a wide range of legal areas as they relate to the construction industry. This includes the laws governing the filing and removal of mechanic's liens, which are designed to ensure that contractors, subcontractors, and material suppliers are paid for their work. New York's Lien Law provides specific procedures for filing a mechanic's lien, and these liens can be a powerful tool for those in the construction industry to secure payment. Additionally, construction law in New York involves contract law, which covers the agreements between property owners and those providing construction services. Employment law is also a significant aspect, addressing the rights and responsibilities of construction workers and employers. Personal injury law comes into play with workplace accidents and safety regulations. Insurance law is crucial for managing risks associated with construction projects. Zoning law and real estate law are involved in the planning and approval stages of construction projects, ensuring compliance with local regulations and land use policies. An attorney specializing in construction law would be well-versed in these areas and able to navigate the complex legal landscape of construction projects in New York.