, California. Patterson Engineering offers knowledgeable structural design keeping cost and construction to a minimum while designing safe structures improvements), and retaining walls (concrete, CMU, and Keystone). Patterson Engineering, Inc. has experience in conventional construction materials (timber

, calculations, observations, assessments, site visits, and reports, as well as new construction, tenant improvements, additions, alterations, load bearing walls, retaining walls, architectural signage, flagpoles, and equipment anchorage. Our goal is to provide our clients with cost-effective

services for building permits, from new construction to tenant improvements and alterations. Ourextensive expertise in drawing sets, structural calculations, soils reports, observations & assessments, site visitscommercial building permits, additions, load bearing walls, foundations, additional footprints and floors,

living conditions at an affordable cost. Many older homes were constructed without consideration for energy efficiencyinsufficient ventilation in the attic, empty exterior walls, drafty single pane windows, and inefficient HVACand efficiency with little to no additional costs. They can also refer customers to realtors