Why national realty group for real estate services? Our Real Estate services cover a wide area geographically and we also offer Mortgages, Property Management and Escrow. If you’re buying or selling in Southern California, National Realty Group is your ONE STOP SOLUTION for all your Real Estate needs. Let’s start finding your dream home today!Who is the owner of national realty? National Realty, located in Reston, VA is owned by brokers Paul and Keith Hartke. They have over 25 years experience each. They have been owners and managers in franchise real estate companies. They later opened National Realty in 2003 and have grown to over 140 agents.How do i contact the national life group helpdesk? If you are a National Life Group agent or other e-mail recipient requiring assistance with viewing an encrypted message, contact the National Life Group HelpDesk through e-mail at [email protected] or toll-free at (877) 654-3499 for assistance.Why national realty investment advisors nria? For more than a decade, National Realty Investment Advisors - NRIA has delivered and continues to build upon a history of exceptional performance as a vertically-integrated real estate investment, management and development firm.