Premier General Contractor in Orange County?
Coastline Harmony Builders provides complete construction and remodeling services, including kitchens, bathrooms, whole-home renovations, ADUs, new construction, and commercial tenant improvements.
What Our Clients Say
Our Recent Projects
We focus on delivering durable, high-quality construction with careful planning, clean execution, and attention to detail.
Every project is approached with safety, precision, and long-lasting results in mind.
Our Expert Team
Led by Rafael Dzhabrailov, a licensed General Contractor with a degree in Building Operation and Maintenance, our team brings technical mastery to every job site. We don’t just build; we engineer solutions that last.
Iana handles communication, planning, and coordination so every client always knows what’s happening and feels supported from start to finish.
Together, we focus on delivering durable, high-quality work with careful planning, clean execution, and reliable service you can trust.
Safety & Compliance Experts
Our firm, Coastline Harmony Builders, Inc., is an EPA Lead-Safe Certified Firm (NAT-F329606-1), certified for the purposes of Section 402 of TSCA. We strictly adhere to CAL/OSHA 30 safety standards on every project, ensuring a secure and professional environment for both our crew and your family.
Photography and renderings shown on this page are for illustrative and inspirational purposes, representing the design styles, materials, and quality standard of our turnkey installations.
Our Services
We focus on practical, well-built solutions for your home and investment properties.
Custom Home Construction
• New custom homes built from the ground up.
• Complete project management and coordination.
• Quality craftsmanship and premium materials.
ADU & Garage Conversions
• Attached and detached ADU construction.
• Garage conversions with permit management.
• Full construction from foundation to final inspection.
home remodeling
• Whole-home and multi-room renovations.
• Structural modifications and interior upgrades.
• One contractor managing the entire project.
Kitchen Remodeling
• Premium European, American, and IKEA cabinetry.
• Layout redesign, structural changes, and utility upgrades.
• Custom kitchens built for everyday living.
Bathroom Remodeling
• Walk-in showers, tile installation, and waterproofing.
• Plumbing, lighting, and fixture upgrades.
• Clean, durable finishes built to last.
Commercial TI
• Office, retail, and tenant improvements.
• Drywall, ceilings, flooring, lighting, and MEP work.
• Delivered on schedule with minimal business disruption.