According to our records, this business is located at 5671 Sonoma Dr # D in Pleasanton (in Alameda County), California 94566, the location GPS coordinates are: 37.648564 (latitude), -121.878736 (longitude). J L Simpson Masonry Contractor is categorized under Masonry Contractors (SIC code 1741). Known organization owner is Jim Simpson. Current estimates show that the unit has a sales volume of $98,000 and staff of approximately 1 worker. You can contact the company by phone at (925) 484-5162.