The Resonance team provided acoustical consulting services for a 43,000 SF four-story mixed-use development utilizing mass timber (CLT) construction at 57 South B Street in San Mateo. Services included a long-term environmental noise study with on-site measurements, facade noise intrusion analysis, and acoustical criteria development for sound isolation and HVAC system noise. The scope also included input on CLT floor-ceiling assembly design options, room acoustics, MEP noise and vibration recommendations, and construction administration support spanning Schematic Design through Construction Administration.