Okay, let’s tackle this. So Colin Franklin has 20+ years of experience as an urban designer, with a strong background in comprehensive planning and sustainable design. He’s a founding principal at Andropogon Associates Ltd., a well-respected firm. Location is Philadelphia, PA, which is a major urban center with a high demand for urban design services. According to the American Institute of Architects (AIA), urban designers with experience in comprehensive planning and sustainable design can charge rates ranging from $100 to $250 per hour. Considering his level of experience and expertise, I’ll estimate around $125 per hour.