Business Details
30 Years
experience
Your Trusted Construction Partner in Los Angeles
Since 1996, Caltron Construction has been a trusted leader in residential, commercial, and industrial construction across Los Angeles. Founded by Ruben Gamerberg, whose family has 50 years of construction experience, and co-led by Vice President Katherine Gamerberg, our team combines generational expertise with advanced engineering knowledge. We specialize in ground-up builds, renovations, and tenant improvements, prioritizing schedule adherence, cost efficiency, and safety. Our collaborative approach ensures clients actively shape projects, supported by alliances with top architects, engineers, and designers.Holding multiple CSLB licenses (B, A, C10, C36, C17, C53, C51), we deliver high-quality structuresfrom luxury homes to commercial propertieswhile maintaining an A+ BBB rating. With over 24 years of local expertise, we focus on innovative solutions, energy-efficient upgrades, and historic preservation, ensuring every project exceeds expectations through meticulous craftsmanship and transparent communication.
Services
Residential Construction
Commercial Building
Industrial Renovations
Tenant Improvements
Historic Preservation
Energy-Efficient Upgrades
Hillside Construction
Pool & Patio Projects
ADA Accessibility Modifications
Custom Home Building
Details
- Year established: 1996
Highlights and features
- 24+ years of local construction expertise in Los Angeles
- A+ BBB rating for trusted business practices
- Multi-class CSLB licensed for diverse construction needs
- Collaborative process prioritizing client input
- Proven track record in luxury residential and commercial builds
Associations and certifications
- Better Business Bureau
What people say
Exceptional quality
On-time delivery
Creative solutions
Professional team
Transparent communication
Services
Residential Construction
We specialize in custom home construction and major renovations. Our team manages projects from foundation to finish, ensuring energy efficiency and personalized design. Clients benefit from our 24+ years of local experience and collaborative approach that incorporates homeowner preferences throughout the building process.
Commercial Renovations
Our commercial renovation services transform office spaces, retail locations, and industrial facilities. We handle tenant improvements, ADA compliance upgrades, and energy-efficient retrofits. With CSLB General Engineering and Building licenses, we deliver functional spaces that meet business needs while maintaining strict safety standards.
Historic Preservation
We restore historic structures while maintaining original character. Our experts handle period-accurate material sourcing and code-compliant modifications. This service combines traditional craftsmanship with modern building requirements to preserve architectural heritage across Los Angeles.
Tenant Improvements
We complete commercial tenant improvements for office buildings, retail spaces, and medical facilities. Our process includes layout optimization, systems integration, and finish customization. Clients receive functional spaces tailored to specific business operations while meeting all regulatory requirements.
Hillside Construction
Specializing in challenging hillside sites, we implement advanced engineering solutions for stable foundations and erosion control. Our team navigates complex zoning regulations to create safe, code-compliant structures with optimal land utilization and scenic potential.
People
Ruben Gamerberg
CEO
Civil Engineer with Stanford MS in Engineering Economics, Ruben leads strategic operations. With family construction legacy spanning 50 years, he oversees project execution and technical standards while maintaining client relationships across national projects.
Katherine Gamerberg
Vice President
As VP, Katherine manages client communications and project coordination. She builds strategic partnerships with architects and engineers while ensuring quality control across residential and commercial developments through her oversight of design integration.
Questions
What construction services do you offer in Los Angeles?
We provide residential and commercial building, renovations, tenant improvements, historic preservation, hillside construction, and energy-efficient upgrades across Los Angeles County.
Are you licensed for structural engineering projects?
Yes, we hold CSLB Class A General Engineering and Class B General Building licenses for comprehensive structural work.
How do you handle project timelines and budgets?
We use detailed pre-construction planning with client input to establish realistic schedules and cost projections, maintaining transparency throughout execution.
Can you work on historic properties?
Our team specializes in historic structure preservation with experience maintaining architectural integrity while implementing modern updates.
What areas do you serve?
Primarily Los Angeles County, including commercial centers, residential neighborhoods, and hillside locations requiring specialized construction approaches.