How can we help? Contact The Mullenberg Team with your questions and comments. Whether you are considering selling your home, buying a home, investing in real estate, obtaining mortgage information, or learning about careers with us, we will respond promptly to your needs. Submit an inquiry on our online form, call our office at (970) 413-1589, or visit us in person at 500 S Whitcomb St, Fort Collins, CO 80521.