Summit Realty & Mortgage is a subsidiary of Summit RE-Source Lending Inc., a professional real estate brokerage and commercia ... l investment firm, licensed and governed by Texas Real Estate Commission and Texas Department of Saving & Loan. We are members of Texas and National Association of REALTORS®. Since 2001, we have represented buyers, sellers, tenant, landlords and commercial investors in the southwest region safeguarding their interests in complex transactions. read more