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Business Details
45 Years
experience
Trusted Custom Home Builders in Southern California
Established in 1981, Sanco Builders is a full-service Design-Build construction company specializing in residential projects across Orange and Riverside Counties. With over four decades of experience, we have built a reputation for exceptional craftsmanship, transparent communication, and unwavering dedication to client satisfaction. Our team combines industry expertise with cutting-edge technology, including 3D CAD drawings and energy-efficient solutions, to deliver custom homes, renovations, and sustainable building projects. Owner Steve Nersasian, a Southern California construction veteran since 1976, leads a team committed to exceeding expectations through personalized service and meticulous attention to detail.

We prioritize open communication, deadline adherence, and cost-effective solutions, ensuring every project aligns with client preferences. Our work spans from small remodels to multimillion-dollar custom builds, reflecting our adaptability and technical proficiency. As active participants in disaster relief efforts, we extend our expertise globally to help communities rebuild after natural and man-made crises. This combination of local experience, technical skill, and ethical commitment positions us as trusted partners for residential construction needs.
Services
Custom Homes Whole House Remodel Room Additions Interior & Exterior Renovations Green Energy Products
Details
  • Year established: 1981
Highlights and features
  • 40+ years of residential construction expertise in Southern California
  • Integrated Design-Build process ensures project efficiency and quality control
  • Personalized communication with direct owner involvement on every project
  • Proven track record with projects ranging from $500 repairs to $3M custom homes
  • Active participation in global disaster relief construction efforts
What people say
Quality workmanship Excellent communication On-budget delivery Personalized service Sustainable solutions
Services
Custom Homes
Design and build luxury custom homes tailored to client specifications. Our Design-Build approach combines architectural innovation with proven construction techniques, ensuring seamless project execution from concept to move-in readiness. We specialize in creating energy-efficient, code-compliant residences that reflect regional building standards and homeowner preferences.
Whole House Remodel
Comprehensive home modernization services covering structural updates, system upgrades, and aesthetic improvements. Our team manages complete home transformations while maintaining livability during construction, focusing on enhancing functionality, energy efficiency, and property value through coordinated design and construction phases.
Green Energy Products
Installation of energy-efficient building systems including solar power, LED lighting, and high-performance insulation. We integrate eco-friendly technologies that reduce utility costs while maintaining structural integrity, helping homeowners achieve long-term savings and environmental responsibility through strategic product selection and professional installation.
Interior & Exterior Renovations
Targeted improvements for specific home areas, from kitchen remodels to exterior facelifts. Our craftsmen deliver precision workmanship for individual spaces or comprehensive updates, balancing aesthetic enhancements with functional improvements to create cohesive, livable environments that meet modern standards.
Design-Build Services
Streamlined project delivery combining architectural design and construction under one contract. This approach eliminates coordination challenges between designers and builders, ensuring consistent vision execution while maintaining budget control and schedule efficiency throughout the building process.
People
Steve Nersasian
Owner
Construction industry veteran with 40+ years Southern California experience. Licensed contractor since 1981, specializing in residential projects from small repairs to multimillion-dollar custom homes. Active in disaster relief construction efforts globally.
Questions
What areas do you serve?
We specialize in residential construction projects throughout Orange and Riverside Counties, California.
How long have you been in business?
Since 1981, providing over four decades of construction expertise to Southern California homeowners.
What building styles do you specialize in?
We handle all residential styles from traditional to modern, with particular expertise in energy-efficient and sustainable construction methods.
Can you handle both design and construction?
Yes, our Design-Build approach manages projects from initial concept through final construction, ensuring cohesive execution.
Do you work on historic home renovations?
We have extensive experience preserving architectural integrity while modernizing systems in older homes.
How do you handle project timelines?
We establish realistic schedules upfront and maintain regular communication to ensure timely completion.