According to our records, this business is located in Rosemead (in Los Angeles County), California 91770, the location GPS coordinates are: 34.0805651 (latitude), -118.072846 (longitude). Phelps Acoustic is categorized under Plaster and Drywall Work (SIC code 1742). Current estimates show that the unit has a sales volume of $666,000 and staff of approximately 6 people. You can contact the company by phone at (626) 307-6469.