`Luxurious Master Bathrooms`

Professional bathroom remodeling Orange County. We transform bathrooms with licensed professionalism and flawless, durable execution.

Our Bathroom Solutions

From reliable foundations to high-end finishes, we offer installations tailored to your design and budget.

Luxury Master Bathrooms

Complete transformations for your primary suite. We handle structural changes, custom tile work, freestanding tub installations, and seamless glass showers to create your private spa retreat.

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Guest Baths & Powder Rooms

Maximize space and style in smaller footprints. From elegant floating vanities and statement lighting to flawless plumbing updates, we elevate every bathroom in your home.

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Premium Modular & Semi-Custom Bathrooms

As the premier experts in bathroom remodeling Orange County, we specialize in two distinct approaches to high-end space transformations. We install premium modular cabinetry as well as semi-custom vanities created by combining reliable bases with high-quality upgraded fronts for a tailored, designer look.

How Our Orange County Bathroom Remodel Works

Step 1 — Design & Technical Audit

We evaluate your existing space, plumbing infrastructure, and electrical layout to ensure your vision for a spa-like retreat is technically feasible and perfectly planned.

Step 2 — Permitting & MEP Prep

As a licensed Class B contractor, we handle all city permits and complex MEP work. Whether it’s relocating a drain for a freestanding tub or upgrading electrical, we do it safely and to code.

Step 3 — Waterproofing & Tile Work

We build a bulletproof foundation using advanced waterproofing systems. Our team then expertly installs custom tile, seamless glass showers, and premium semi-custom vanities with flawless geometry.

Step 4 — Premium Fixtures & Finish

The final phase involves installing luxury plumbing fixtures, statement lighting, and custom mirrors. We deliver a pristine, turnkey bathroom with zero-tolerance execution.

Why Homeowners Choose Coastline Harmony Builders

Licensed Authority & Compliance

As a licensed Class B General Contractor in California, we handle the entire regulatory landscape for you. From strict Orange County zoning and setbacks to Title 24 energy compliance, we ensure your project is 100% legal, permitted, and built to the highest safety standards.

True Turnkey Engineering

We don’t just remodel; we build. From complex plumbing relocations and advanced waterproofing systems to precision custom tile execution, our technical background ensures your spa retreat is built to last a lifetime.

Transparent Local Partnership

Based right here in OC, we pride ourselves on clear communication and fixed-price estimates. No hidden fees or “construction surprises”—just professional, scheduled execution from a local team that understands the Irvine and Newport Beach building landscape.

What Our Clients Say

Bathroom Remodeling Orange County FAQ

How long does a full bathroom remodel take in Orange County?

A complete turnkey bathroom remodeling Orange County project typically takes 3 to 5 weeks, depending on the complexity of plumbing relocations and permit approvals. As a leading provider of bathroom remodeling in Orange County, we ensure that every project follows a clear schedule and meets all local building codes before construction begins.

Can you install semi-custom or modular vanities for a high-end look?

Yes! We specialize in combining reliable modular bases with premium upgraded fronts and custom countertops. This approach delivers a bespoke, designer look with flawless execution, perfectly tailored to your space.

Do I need a permit to remodel my bathroom in Irvine or Newport Beach?

If your remodel involves moving plumbing fixtures, structural changes, or electrical upgrades, a permit is legally required. As a licensed General Contractor, we handle the entire permitting process to ensure your project is 100% compliant.

How do you ensure my new walk-in shower won’t leak?

We use industry-leading, modern waterproofing systems behind the walls and under the floor, rather than outdated methods. This guarantees a completely watertight, mold-resistant foundation for your luxury tile and peace of mind.

Coastline Harmony Builders, Inc. is an independent general contractor. All product names and trademarks are the property of their respective owners and are used for identification purposes only. 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.

Ready to Create Your Personal Spa Retreat?

From conceptual design to flawless licensed execution, trust our professionals to build the bathroom you’ve always wanted. Start your bathroom remodeling Orange County project today.

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Fully Licensed, Insured & EPA Lead-Safe Certified for your peace of mind.