Rock Rates is a Doing Business As (DBA) name for Keystone Funding, Inc., and is licensed in the National Mortgage Licensing System (NMLS) under ID 144760. Consumers can access the NMLS to lookup mortgage providers, including individual loan officers, by going to NMLS Consumer Access. Additional information on the NMLS is available at NMLS Resource Center. Rock Rates is also licensed with the appropriate banking agency for each state in which it conducts business, and the table below indicates those states, the regulating agency, and the specific state license number (if applicable).
| State | Licensing Authority | License No. |
| Delaware | Office of the State Bank Commissioner | 012839 |
| District of Columbia | Department of Insurance, Securities, and Banking Banking Bureau | MLB-144760 |
| Florida | Office of Financial Regulation | MLD1812 |
| Maryland | Department of Labor, Licensing, and Regulation Commissioner of Financial Regulation | 17344 |
| New Jersey | New Jersey Department of Banking & Insurance | N/A |
| North Carolina | The North Carolina Office of the Commissioner of Banks | L-185197 |
| Pennsylvania | Department of Banking | 49313 |
| Virginia | State Corporation Commission; Bureau of Financial Institutions | MC-5188 |