Phone: (708) 456-8000
Open: Mon - Fri 9:00 AM to 12:30 PM

Jacob & Hefner Associates

1333 Butterfield Road, Suite 300
Downers Grove, Illinois 60515
  Go back

Our Mission: Quality

Our mission is to deliver quality—a word that describes the grade of our work and the character of how we go about it.

Civil Engineering
The JHA engineering team is licensed in multiple states and has extensive experience in planning, designing, permitting, and managing land development, infrastructure, and water resource projects.

Land Surveying
Led by Carl Cook, a licensed surveyor with over 25 years of experience in the industry, the JHA survey team has capabilities ranging from boundary surveys to construction layouts to detailed topographic surveys.

Environmental Services
JHA Environmental & JHA Remediation provides environmental remediation and site services for the planning, management, and expert implementation of assessment, remediation, monitoring, and construction projects.