Since 1984, the team at Optimum Seismic, Inc. has been making California cities safer, performing full-service seismic retrof ... it engineering and construction services on multifamily residential, commercial and industrial buildings throughout the state. Our business model is built on value engineering: a systematic method of achieving the optimum ratio of functionality, safety and cost-effectiveness. Contacts us today at 323-OPTIMUM for a free consultation or more information. read more