San Antonio's Urban Real Estate Specialists. Urban Nest Realty has quickly built a solid reputation as San Antonio's preeminent urban real estate agency. Our team of energetic professionals has over 15 years of combined experience buying, selling and leasing property in the historic King William, Lavaca and Southtown neighborhoods. With our recently expanded presence in the Roosevelt park, Lone Star neighborhoods and downtown condo/townhome markets, we continue to bring new urban living opportunities to San Antonio homebuyers.