Coldwell Banker United Realtors - Maria P. Martinez Share: Real Estate, Residential Coldwell Banker United Realtors - Maria P. Martinez Visit Website 2106 Hwy. 6, Ste. D Sugar Land, TX 77479 (281) 630-0526 Facebook About Map About Residential Real Estate. Serving all the Fort Bend area and surroundings. Helping my clients understand the processes of selling, buying or renting including Spanish speakers clients. What's Nearby? Distance: 5 10 15 20 25 50 mi.