Callahan Construction Managers is a full-service construction management firm with over 70 years of experience serving the Northeast region. It is one of the largest open shop, family-owned construction management companies in the area, offering both preconstruction and construction management services. The company works across a range of industry verticals, including Life Sciences, Multifamily Residential, Senior Housing, Hospitality, Corporate Interiors, Retail, and Educational.
As a family-owned business, Callahan emphasizes a team-centered culture that extends to employees, subcontractors, and clients. The company's leadership team brings hundreds of years of collective experience in the construction industry.
The firm is committed to supporting its employees and investing in their professional success, aiming to ensure every project team member is fully focused on client satisfaction.






