Optimum Seismic, Inc.

Is Your Building Structurally Safe?

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About the firm

Optimum Seismic, Inc. is a California-based earthquake retrofit and structural engineering practice founded in 1984, specializing in seismic retrofits and renovations for multifamily and commercial buildings. With more than 3,500 completed retrofits statewide, it provides integrated structural engineering design, metal fabrication, and construction services under one roof. Its value-engineering approach targets the optimum balance of functionality, safety, and cost-effectiveness for property owners navigating California's mandatory retrofit ordinances.

Established
1984
Team
Midsize
Firm type
Structural Engineering · Design-Build

Credentials

Contractor License No. 1012702 (California)

Capabilities

Soft-Story Retrofit

Service website

Seismic retrofitting of soft-story apartment and multifamily buildings to meet California mandatory retrofit ordinance requirements.

  • Steel moment frame installation
  • Concrete footing and drag line installation
  • Plywood shear wall installation
  • Continuity tie installation
  • Finish removal and replacement

Seismic Engineering Services

Service website

Full-service structural and earthquake engineering for a range of building types, from evaluation and design through permitting and construction administration.

  • Structural engineering and design
  • Constructability analysis
  • Cost estimates and analysis
  • Value engineering

Balcony Inspection and Retrofit

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Inspection, engineering assessment, repair, and retrofit of apartment and multifamily balconies under California SB 326 and SB 721 requirements.

  • Exterior elevated element inspections
  • Balcony and deck repairs

Commercial Building Retrofit

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Seismic retrofit design and construction services for commercial properties to improve structural performance and satisfy code requirements.

  • Tilt-up building retrofits
  • Non-ductile concrete building retrofits
  • Steel frame building retrofits
  • Unreinforced masonry building retrofits

Metal Fabrication

Service website

In-house fabrication of structural steel components used in seismic retrofit and construction projects.

Construction Services

Service website

Full construction and construction management for seismic retrofit projects, covering plan-to-completion delivery.

Industries

Multifamily Residential · Commercial · Residential

Projects

No projects listed yet.