About Us

Graham Mortgage Is Here to Provide the Best Private Real Estate Lending Experience in Dallas

We Are Experts in Property Transactions

Our team is here to provide more than just financial assistance — we are your partner in completing a successful private real estate transaction. Our commitment, expertise, and experience will ensure that the process runs smoothly from start to finish for the best results possible. With our fast response times and impeccable results, our lending services remain an invaluable resource to our partners.

The History of Graham Mortgage

Joe M. Graham founded Graham Mortgage Corp. in 1987 and remained its sole shareholder until 2013 when Dean Castelhano took the helm as president and exclusive stakeholder. While no longer involved with daily operations, Graham still actively invests in loan opportunities from his former company. Meanwhile, Castelhano serves as head loans officer and underwriter to ensure the continued success of the firm’s legacy achievements started over 30 years ago.

Our Process Is Tailored to Provide the Best Service

Our purpose is enrichment and to provide real estate debt capital solutions in the most reliable and efficient manner.
Ensuring that no good deal fails at the closing table.


  • Reliability
  • Caring
  • Adaptability


  • Our faith in the Texas economy.
  • Our long-standing, renowned reliability and speed of execution.
  • Our steadfast stewardship of investor capital.
  • Our respect for our stakeholders.