Thank you for your interest in Cornerstone Property Resources.  Our office is located at 8393 W (West side) I-25 Frontage Rd, Unit 1, Frederick, CO  80516.  We hope that you will take the time to get to know us.

Cornerstone Property Resources, LLC is a full service property management company for Denver Metro North; Adams, Boulder, Broomfield, Jefferson, Larimer and Weld counties. We handle all community sizes and take great care in giving each of our clients the time and attention they need and deserve.  We are an owner operated company and our services can be catered to meet the needs of your community.

Cornerstone was formed with the following principles of customer service:

  • Reliability
    • Honor commitments
    • Provide what was promised, on time
  • Responsiveness
    • Meet or exceed the community’s expectations
    •  Help members promptly and with courtesy
    • Consistent follow-through
    • Minimize disruptions to members
  • Accountability
    • Provide accurate information and tracking
    • Professional education and credential maintenance
  • Communication
    • Active listening
    • Timely inquiries
    • Understand and respond to specific needs
    • Proactive problem-solving initiative
    • Relay status and changes with regularity
  • Satisfaction
    • Harmonious community management
    • Dedication to service


Who We Are


Toni Grant – CMCA:                                                         Manager/Owner


DORA – BROKER LICENSE #ER40040687 – #EL100054546

10 years’ experience in the construction industry: Office management, job cost accountant and contract administration; 10 years’ experience in real estate brokerage and eight years’ experience in homeowner association management.

CFO: Aspen Property Management                                                                   


Kelly Deitman:  CMCA, AIA, NCARB, LEED AP                            Manager/Code

DORA – CAM LICENSE #AM.000001475                              Enforcement

Five years’ management experience with Cornerstone, 10 years’ experience in HOA service


Malori Reyna                                                                                       Administration/AR & AP

DORA – CAM LICENSE #AM.000001473

Almost four years’ experience with Cornerstone


Member:           Community Association Institute:

Realtor:             National and Colorado Association of Realtors