Santa Clara is a vibrant, tech-forward city with a strong sense of community and rising property values. At Royalty Builders, we help homeowners in Santa Clara make the most of their homes with custom home additions that enhance comfort, function, and long-term equity. Whether you need more space for your family, work, or lifestyle, we design and build seamless expansions tailored to your needs and your home’s existing structure.

From initial concept to final construction, we handle everything—so your home addition experience is smooth, stress-free, and beautifully done.

Custom Kitchen Additions in Santa Clara

A kitchen should be more than just a place to cook—it should be a space to connect, create, and enjoy. Our kitchen additions in Santa Clara are ideal for expanding cramped layouts, modernizing outdated spaces, or opening up your floor plan. We specialize in custom cabinetry, stone countertops, center islands, energy-efficient lighting, and smart appliance integration. Whether you want a sleek modern design or a warm, traditional kitchen, we’ll help you bring your vision to life.

Stylish Bathroom Additions in Santa Clara

Need another bathroom for your growing family or guests? Or maybe you’re ready for the spa-inspired master suite you’ve always dreamed of? Our bathroom additions in Santa Clara include luxurious and functional upgrades like walk-in showers, soaking tubs, floating vanities, and heated flooring. We design each bathroom with your lifestyle, taste, and layout in mind, creating a relaxing space that also adds value to your home.

Beautiful Sunroom Additions in Santa Clara

Santa Clara’s sunny weather makes it ideal for adding a sunroom you can enjoy all year long. Whether you want a bright reading nook, a garden-inspired retreat, or a family room filled with natural light, our sunroom additions are designed for comfort and energy efficiency. We use high-quality windows, insulation, and finishes that blend seamlessly with your home’s architecture and bring the outdoors in.

Functional Room Additions in Santa Clara

When your current space no longer fits your needs, a room addition can be the perfect solution. Our room additions in Santa Clara are fully customized—whether you’re building a guest room, home office, playroom, gym, or media room. Each project is designed for seamless integration with your home’s floor plan, style, and structural design. We make sure your new space feels like it’s always belonged.

Second Story Additions for Maximum Living Space

Need more space but don’t want to lose your yard? Go vertical. A second-story addition in Santa Clara allows you to expand without affecting your lot size. Whether you need extra bedrooms, bathrooms, or a full upper-level suite, we manage the design, structural work, and permits to ensure a smooth, efficient build. The result? A beautiful second level that adds significant living space and resale value to your home.

Home Addition Costs in Santa Clara – What to Expect

We offer clear, upfront estimates and walk you through each cost factor. Here’s a general breakdown of home addition pricing in Santa Clara:

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 from $20,000

📌 Pricing may vary based on the size, design complexity, existing structure, and permit requirements. We provide complete transparency at every step.

Why Choose Royalty Builders for Your Santa Clara Home Addition?

• ✅ Local Experience: We know Santa Clara’s codes, zoning laws, and architectural styles.

• ✅ Full-Service Design-Build: We handle your entire project under one roof—from concept to construction.

• ✅ Custom-Tailored Solutions: Every addition is built around your home, needs, and vision.

• ✅ Premium Craftsmanship: Our licensed team uses top-quality materials and detailed finishes.

• ✅ Transparent & Reliable: We keep you informed and involved from day one to final walkthrough.

Your Local Home Addition Contractor in Santa Clara

At Royalty Builders, we believe your home should grow with you. Our goal is to help you stay in the neighborhood you love while giving your home the space and upgrades it needs. Whether you’re adding one room or a full second floor, we deliver results that match your vision and exceed your expectations.

Contact Us Today

Ready to start your home addition in Santa Clara? Contact Royalty Builders for a free, no-obligation consultation today. Let’s explore your ideas, evaluate your home, and create a space that fits your life perfectly.
📞 Call us or 📩 fill out our contact form. The space you need is closer than you think.

Frequently Asked Questions (FAQ) – Home Additions in Santa Clara

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

• Standard Grade Construction: Approximately $149 to $298 per square foot. ​

• Premium Grade Construction: Costs can be higher, depending on finishes and customizations.​

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 Santa Clara?
A: Yes, obtaining a building permit is required for most home addition projects in Santa Clara. The City of Santa Clara’s Permit Center provides detailed information on the application process and requirements. Our team manages the entire permitting process to ensure your project adheres to all local codes and regulations.​City of Santa Clara | Home

Q3: How long does a typical home addition project take in Santa Clara?
A: The duration of a home addition project in Santa Clara 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 Santa Clara?
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 Santa Clara?
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.