Campbell offers the perfect mix of small-town charm and Silicon Valley convenience—and your home should reflect that same balance of comfort and functionality. At Royalty Builders, we specialize in custom home additions in Campbell that add space, increase value, and enhance your lifestyle. Whether you’re expanding your kitchen, adding a bathroom, building a sunroom, or constructing a full second story, we deliver high-quality results tailored to your home and goals.

We bring deep experience with Campbell’s residential styles, permit processes, and neighborhood needs—making your home expansion seamless from start to finish.

Custom Kitchen Additions in Campbell

Your kitchen should be a place where functionality meets family life. Our kitchen additions in Campbell are designed to give you more space to cook, entertain, and gather. Whether you want a chef-inspired layout, a breakfast nook, or an open-concept design, we bring your vision to life with custom cabinetry, modern countertops, energy-efficient appliances, and beautiful finishes. Let us help you turn your kitchen into the true heart of your home.

Stylish Bathroom Additions in Cmpbell

Add comfort and convenience to your home with a beautiful new bathroom. Our bathroom additions in Campbell are ideal for growing families, guest accommodations, or luxurious master suites. We offer features like walk-in showers, soaking tubs, dual vanities, custom tile, and radiant heated floors. Each bathroom is built with attention to detail, designed to complement your home’s layout while meeting your daily needs in style.

Beautiful Sunroom Additions in Campbell

Campbell’s sunny weather makes it a great place to enjoy a sunroom year-round. Our sunroom additions offer a bright, peaceful space for relaxing, reading, entertaining, or even working from home. We use energy-efficient windows, durable materials, and thoughtful design to create sunrooms that blend naturally with your home while remaining comfortable in every season.

Functional Room Additions in Campbell

Need more room to live, work, or play? Our room additions in Campbell are perfect for adding bedrooms, home offices, playrooms, gyms, or media spaces. We customize every addition to match your home’s design and flow—both inside and out. With smart planning, quality construction, and top-tier finishes, your new room will feel like it was always part of the home.

Second Story Additions for Extra Living Space

Maximize your square footage with a second-story addition in Campbell. Whether you’re looking to build an entire upper level or add a few rooms above the garage, we’ll help you make the most of your property without sacrificing yard space. Our team handles all structural engineering, permits, and architectural integration to ensure your second story is strong, beautiful, and fully aligned with your home’s existing structure.

Home Addition Costs in Campbell – Transparent & Fair

We believe in honest, upfront pricing—no surprises. Here’s a general breakdown of home addition costs in Campbell:

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

• Ground-Level Room Additions: $180–$300 per sq. ft.

• Sunroom Additions: $20,000–$70,000+

• Garage Conversions / ADUs: Starting around $20,000

🛠️ Final pricing depends on layout, permits, structural work, and finishes. We’ll guide you through every step with clarity and detail.

Why Choose Royalty Builders for Your Campbell Home Addition?

• ✅ Local Expertise: We’re familiar with Campbell’s permit process, design preferences, and zoning laws.

• ✅ Design-Build Specialists: We manage your project from the first sketch to the final nail.

• ✅ Custom Craftsmanship: Every addition is designed and built specifically for your home and lifestyle.

• ✅ Clear Communication: You’ll always know what’s happening, when, and why.

• ✅ Licensed & Insured Professionals: Quality work you can count on—with peace of mind built in.

Your Trusted Home Addition Contractor in Campbell

At Royalty Builders, we’re proud to help Campbell homeowners expand their living space with thoughtful design and premium craftsmanship. Whether you’re planning a small addition or a large-scale transformation, we’ll work with you to create a space that adds comfort, function, and lasting value to your home.

Contact Us Today

Ready to get started on your home addition in Campbell? Contact Royalty Builders for a free consultation today. We’ll take time to understand your needs, evaluate your space, and offer expert guidance every step of the way.
📞 Call us or 📩 fill out our contact form—we’re here to help you bring your dream space to life.

Frequently Asked Questions (FAQ) – Home Additions in Campbell

Q1: How much does a home addition typically cost in Campbell?
A: The cost of a home addition in Campbell 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 $200,000. ​

• Second-Story Addition: Costs typically range higher due to structural considerations.​

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 Campbell?
A: Yes, obtaining a building permit is required for most home addition projects in Campbell. The City of Campbell provides detailed Building Application Guides outlining specific submittal requirements for various permit types. Our team manages the entire permitting process to ensure your project adheres to all local codes and regulations. ​Campbell, CA Official Website

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