High-End Construction & Remodeling in Orange County

From luxury kitchen transformations to custom ground-up builds. Coastline Harmony Builders combines engineering precision with family-owned dedication to bring your vision to life.

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Welcome to Coastline Harmony Builders

Where We Build Your Visions​

We are a family-run general contracting company built on trust, communication, and consistent quality. Our team handles projects from small repairs and remodels to full home improvements and structural work.
Coastline Harmony Builders Inc holds a California B – General Building Contractor license. We work closely with homeowners and investors to deliver safe, code-compliant projects that stay on schedule and within budget.

Call Us Today​

747-377-9555

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Let’s discuss your next project. Schedule a free consultation to get expert advice and an accurate estimate for your home or business improvement.

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Our Services

We focus on practical, well-built solutions for your home and investment properties.

Kitchen Remodeling

• Premium European & IKEA systems.
• Structural wall removals and full MEP relocations.
• High-end custom fronts for bespoke designs.

ADU & Garage Conversions

• Garage transformations and detached backyard homes.
• Full management of permits, framing, and utility trenching. • Compliance with California Title 24 energy standards.

Bathroom Remodeling

• Modern designs with expert waterproofing and tile work.
• Full plumbing and electrical system updates.
• Guaranteed code compliance and passed city inspections.

Custom Home Construction

• Luxury ground-up builds and major structural additions.
• Engineering precision from foundation to final finishes.
• Reliable management focused on budget and schedules.

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.

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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.