Nestled in the foothills of the Santa Cruz Mountains, Los Gatos offers a blend of luxury, charm, and natural beauty. At Royalty Builders, we help homeowners in this vibrant community transform their living spaces with custom home additions in Los Gatos. Whether you’re adding square footage for comfort, function, or investment, our design-build team delivers exceptional results with a seamless, stress-free process.

From modern upgrades to timeless additions, we create spaces that complement your home’s character while enhancing your daily life.

Custom Kitchen Additions in Los Gatos

The kitchen is where life happens. Our kitchen addition services in Los Gatos are tailored to your taste, lifestyle, and layout. Whether you need more prep space, an island, or an open-concept cooking and dining area, we bring design and functionality together. Expect high-end finishes, custom cabinetry, durable countertops, and energy-efficient appliances—all crafted to turn your kitchen into a true centerpiece of your home.

Stylish Bathroom Additions in Los Gatos

Whether you’re building a guest bath or a luxurious master retreat, our bathroom additions in Los Gatos are designed to enhance comfort and sophistication. We create elegant spaces with custom vanities, freestanding tubs, rainfall showers, radiant heated floors, and premium tile work. With meticulous attention to detail, we ensure your new bathroom matches your style and increases your home’s value.

Beautiful Sunroom Additions in Los Gatos

Bring the outdoors in with a sun-filled, climate-controlled space you can enjoy year-round. Our sunroom additions in Los Gatos are perfect for relaxing, entertaining, or even working from home. Designed with large windows, quality insulation, and thoughtful finishes, each sunroom we build adds light, space, and beauty to your home—without sacrificing energy efficiency.

Functional Room Additions in Los Gatos

Need more room for your lifestyle? We offer room additions in Los Gatos for everything from extra bedrooms and home offices to playrooms, gyms, and media rooms. Our team ensures every new room blends harmoniously with your existing structure and interior design, using premium materials and expert craftsmanship from floor to ceiling.

Second Story Additions for More Living Space

A second-story addition is an excellent way to dramatically expand your home without using up your yard space. In Los Gatos, where lot sizes can be tight but home values are high, going up just makes sense. We build upper-level expansions that include bedrooms, bathrooms, loft spaces, or even private guest suites. Structural integrity, architectural consistency, and luxury finishes are guaranteed.

Home Addition Costs in Los Gatos – What to Expect

We provide transparent, detailed estimates tailored to your project scope. Here’s a general cost overview for home additions in Los Gatos:

Interior Additions

• Kitchen Additions: $250–$400 per sq. ft.

• Bathroom Additions: $25,000–$60,000+

• Second Story Additions: $200–$500 per sq. ft.

Exterior Additions

• Room Additions (ground level): $180–$300 per sq. ft.

• Sunroom Additions: $20,000–$70,000+

• Garage Conversions / ADUs: Starting at $20,000+

📌 Prices may vary depending on structural work, finish materials, layout changes, and city permitting processes.

Why Choose Royalty Builders for Your Los Gatos Home Addition?

• ✅ Local Experience: We understand Los Gatos’ zoning regulations, hillside lots, and architectural styles.

• ✅ Luxury-Level Craftsmanship: We specialize in high-end finishes, premium materials, and custom work.

• ✅ All-in-One Solution: From design to construction, permitting to final finishes—we manage the entire process.

• ✅ Client-Focused: We pride ourselves on clear communication, transparency, and exceeding expectations.

• ✅ Proven Results: Our portfolio includes a wide range of successful projects across the Bay Area.

Your Trusted Home Addition Contractor in Los Gatos

Whether you live in a historic cottage, a modern home, or a custom estate in Los Gatos, Royalty Builders is your trusted partner for expanding your space with purpose and elegance. We don’t just add rooms—we help you reimagine what your home can be. Our goal is to enhance your property with craftsmanship that reflects your lifestyle and adds long-term value.

Contact Us Today

Ready to start your home addition in Los Gatos? Contact Royalty Builders today to schedule your free consultation. We’ll take the time to understand your goals, assess your home, and provide expert guidance with no pressure.
📞 Call us or 📩 fill out our contact form to get started. Let’s build the space you’ve been dreaming of—together.

Frequently Asked Questions (FAQ) – Home Additions in Los Gatos

Q1: How much does a home addition typically cost in Los Gatos?
A: The cost of a home addition in Los Gatos varies based on factors such as size, design complexity, and material quality. On average:​

• Basic Room Addition: Approximately $300 to $500 per square foot. For a 200 to 400 square foot addition, this equates to about $60,000 to $160,000. ​

• Major Remodels (including structural changes): Costs can range from $600 to $1,700 or more, depending on complexity. ​

For a precise estimate tailored to your project, we recommend scheduling a free consultation with our team.

Q2: Do I need a permit for a home addition in Los Gatos?
A: Yes, obtaining a building permit is required for most home addition projects in Los Gatos. The Town’s Building Division provides detailed information on permit applications and submittal requirements. Our team manages the entire permitting process to ensure your project adheres to all local codes and regulations. 

Q3: How long does a typical home addition project take in Los Gatos?
A: The duration of a home addition project in Los Gatos depends on the project’s scope and complexity. Generally, such projects can take several months from design to completion, considering factors like permitting, design approvals, and construction phases.​

Q4: Can you match the style of my existing home in Los Gatos?
A: Absolutely! Our expertise lies in creating seamless additions that harmonize with your home’s current architectural style and finishes, ensuring a cohesive and aesthetically pleasing result.​

Q5: What types of home additions do you offer in Los Gatos?
A: We provide a diverse range of home addition services, including:​

• Room Additions: Expanding your living space with additional bedrooms, living rooms, or specialized rooms.​

• Second-Story Additions: Adding a new level to your home to maximize space without expanding the footprint.​

• Kitchen Expansions: Enlarging your kitchen area for enhanced functionality and comfort.​

• Accessory Dwelling Units (ADUs): Creating independent living spaces on your property, perfect for rental income or extended family.​

Each project is customized to align with your specific needs, preferences, and budget.​