e4, inc

Environmental consulting rarely makes headlines, but it keeps the city running. e4, inc handles the quiet work of compliance, permitting, and sustainability planning from an office just off Park Avenue South. Their specialty lies in navigating the maze of local and state regulations that shape construction, land use, and infrastructure projects across the five boroughs.

Midtown’s density means every new development must account for air quality, stormwater, and hazardous materials—areas where e4, inc provides assessments and mitigation strategies. The firm also assists with environmental impact statements, brownfield redevelopment, and LEED certification, helping architects and developers meet both legal requirements and voluntary sustainability goals. Their address, 35 E 38th St, New York, NY 10016, places them within blocks of major transit hubs and a mix of commercial and residential towers, a practical choice for clients who need in-person consultations without the hassle of a distant office.

Work in this field often blends desk research with site visits, and the firm’s consultants spend as much time in the field as they do behind spreadsheets. Projects range from small residential retrofits to large-scale public works, all requiring the same attention to detail. For questions or to discuss a potential engagement, call (212) 922-1965.

Directions can be found here. If you’ve ever walked past a construction site in Manhattan and wondered how it passed environmental review, this is the kind of place that figures it out.