Contact Us

Get in touch with ALCC

While ALCC remains open from 8:30 AM to 5:00 PM, our availability to answer phone calls and emails will vary as our office is operating remotely. Please do not call the office number 303-757-5611; instead, call a member of our team directly and/or send an email.  Below is the list of ALCC staff members’ phone numbers, emails, and departments. For coronavirus updates, please visit

John McMahon - Chief Executive Officer, 303 757-5611 x 302

Melissa Emdin - Programs & Education Director, x304
720 307-5092 direct line

Tammy DiFalco - Member Relations Manager, x305
720 414-2724 direct line

Christy Eull- Communication Direction, x308
720 465-7074 direct line

Rachael Coleman- Office Manager, x309
720 307-5515 direct line

See Board and staff pages.

For general inquiries or to reach the Office Manager dial 303 757-5611 x 309 or email [email protected].

By US mail:
Associated Landscape Contractors of Colorado

1355 S. Colorado Blvd. Suite C-608
Denver, CO 80222 LinkedIn Houzz