ES
Menu
Advanced manufacturing facility with engineered utility systems01Industrial Advanced facilities.
Engineered to perform.Contemporary glass commercial building with a landscaped plaza02Commercial Inspiring spaces.
Built for business.Contemporary single-family home with warm stone and landscaped grounds03Residential Thoughtful homes.
Built for life.
Telephone+1 (424) 346-4824Emailinfo.otgc@gmail.comOffice1815 W 205th St., Suite 306 · Torrance, CA 90501

LicensesCA CSLB #1108551 · Class B
AZ ROC #365684

Key construction services

The scopes owners ask us to make buildable.

From complex residential work to business-critical properties, each project is organized through one accountable general contractor. Preconstruction and project controls connect every service from first review through turnover.

Start earlier with preconstruction & general contracting

Whole-home remodeling

Complete renovation, structural reconfiguration, building systems, interiors, envelope, and site work.

Custom home construction

Architect-led new homes coordinated from constructability and procurement through final handoff.

Additions, ADUs & expansions

New space integrated with existing structure, utilities, waterproofing, finishes, and daily use.

Commercial property remodeling

Occupied renovations, tenant improvements, hospitality, retail, office, and operational spaces.

Architectural glass systems

Facades, storefronts, structural-glass assemblies, entrances, and interior glass partitions.

Complex structural design-build

Large openings, steel, geometry, temporary work, and difficult architectural interfaces.