Builder Directory

This New York-based modular home manufacturer specializes in fully customizable residential units across multiple architectural styles, from ranches and colonials to townhouses and multi-unit rental properties. The company distinguishes itself through factory-controlled construction that allows simultaneous foundation and home building, significantly accelerating project timelines compared to traditional stick-built methods. Westchester Modular works with builders, developers, and individual homeowners, offering either pre-designed plans or complete custom design services in collaboration with architects.

This Pennsylvania-licensed general contractor brings in-house expertise across surveying, architecture, drafting, project management, and construction to handle ADU development in the Pittsburgh market. The firm specializes in both attached additions and detached units, serving clients seeking rental income or multigenerational housing solutions while navigating the region's complex zoning codes and property restrictions. Willner Enterprises' deep knowledge of Pittsburgh's municipal regulations positions it to guide projects through local approval processes that often challenge ADU development in the area.