Mark Iii Construction, Inc. Mark Iii Construction, Inc.

Mark III Construction is a full-service contractor based in Sacramento that serves clients throughout California. The company self-performs electrical, HVAC, plumbing, process piping, underground utilities, prefabrication, and MEP design work, consolidating services that typically require multiple subcontractors. This approach reduces profit layers, scope gaps, and scheduling complexity for customers.

Mark III handles initial construction, design-build projects, tenant improvements, and remodels. Beyond project delivery, the company provides ongoing support through a dedicated service team offering 24/7 emergency service and maintenance repairs in HVAC, plumbing, electrical, and general building systems.