Serving Santa Fe & Rio Arriba. Southwestern Title specializes in Northern New Mexico. From the Mexican land grants of 1821 to present day, we understand the property issues of Northern New Mexico. If you are buying, selling or investing in a property in New Mexico, you will want to choose Southwestern Title and Escrow for your next transaction. Property transactions are critical to get right and we make that easy for you. With our expertise, excellent service, and competitive rates, your real estate transaction will be a great experience.. Title Insurance; Escrow Closings; Title Searches