Your Local Home Addition Experts in Walnut Creek

At Royalty Builders, we specialize in designing and building stunning home additions for Walnut Creek homeowners looking to expand their space without moving. Whether you’re welcoming a new family member, upgrading your lifestyle, or finally building that home office or sunroom, we handle it all. From the first sketch to the final inspection, we ensure your addition blends beautifully with your existing home and meets every local code and standard.

Custom Home Additions in Walnut Creek

A custom home addition is more than just extra space—it’s a chance to enhance your daily life. We design additions that are tailored to your home’s structure, style, and your unique goals. Our experienced designers and builders can create everything from luxurious master suites and in-law units to expanded living areas and family rooms. Every step of the way, we focus on quality craftsmanship, transparency, and long-term value. Our home additions in Walnut Creek are built to last—and to impress.

Custom Kitchen Additions in Walnut Creek

Transform the heart of your home with a kitchen addition that’s designed around you. Whether you need more space for cooking, hosting, or simply spending time with family, our custom kitchen additions add functionality, beauty, and flow. We specialize in open-concept layouts, large kitchen islands, walk-in pantries, and seamless transitions to outdoor living areas. From cabinetry and countertops to lighting and tile, we help you choose every detail to create the kitchen you’ve always dreamed of.

Stylish Bathroom Additions in Walnut Creek

A bathroom addition can make a world of difference—especially in a busy household. Whether you’re adding a powder room, full bath, or luxury ensuite, we’ll create a space that fits your lifestyle and complements your home. Our bathroom additions are thoughtfully designed and expertly built, with modern fixtures, smart layouts, and spa-inspired features. We handle everything, including plumbing, electrical, tilework, and permits, so you can enjoy a stress-free experience and a beautiful result.

Sunroom Additions in Walnut Creek

Soak in the sunlight year-round with a custom sunroom addition. These bright, inviting spaces are ideal for reading, relaxing, entertaining, or even as a home office. We build both three-season and fully insulated sunrooms, depending on your needs and preferences. Each sunroom is designed to complement your home’s architecture while maximizing natural light and comfort. With energy-efficient windows, climate control options, and high-end finishes, your new sunroom will quickly become your favorite room in the house.

Functional Room Additions in Walnut Creek

Need a little more room to breathe? We create functional room additions that serve a variety of purposes—home gyms, nurseries, guest rooms, game rooms, and more. Our team works closely with you to ensure your new room feels like a natural extension of your home. From framing to finishes, we focus on high-quality construction and practical design that elevates your everyday life.

Second Story Additions in Walnut Creek

Running out of space on the ground floor? A second-story addition can dramatically increase your living space without affecting your yard. Whether you want to add bedrooms, bathrooms, a loft, or a full suite, we’ll handle the design, structural engineering, and construction. Our Walnut Creek team has extensive experience building up safely and beautifully. We ensure that your second story addition blends seamlessly with the rest of your home, both inside and out.

Interior Additions

Interior additions are a smart way to enhance your home’s layout and flow. Whether it’s knocking down walls for a more open concept, adding a reading nook under the stairs, or building custom storage areas, we help you reimagine your interior space. Our creative team finds ways to make your home feel larger and more functional—without adding square footage externally.

Exterior Additions

Exterior additions can transform the way you enjoy your home. We specialize in building new entryways, porch expansions, covered patios, outdoor kitchens, and more. Our exterior designs are customized to match your home’s style and built for comfort, entertainment, and durability. From structural enhancements to beautiful finishes, our outdoor additions are built to elevate curb appeal and everyday living.

Home Addition Costs in Walnut Creek

Investing in a home addition is a big decision—and we’re here to make it easier. Here’s a general idea of what you can expect:

• 🏠 Room Additions: Starting at $250–$400 per square foot

• 🏡 Kitchen/Bathroom Additions: Starting at $300–$500 per square foot

• 🛌 Second Story Additions: Starting at $350–$600 per square foot

• 🏢 Interior Additions: Custom pricing depending on scope (typically $200–$400 per square foot)

• 🏥 Exterior Additions: Custom pricing depending on scope (typically $150–$350 per square foot)

📌 Note: Every home in Walnut Creek is unique. Factors like hillside lots, historical architecture, permitting timelines, utility relocation, and foundation work can influence your final cost. We always provide transparent, itemized estimates so you know exactly what to expect.

Let’s Build Your Dream Space in Walnut Creek

At Royalty Builders, we’re passionate about helping Walnut Creek homeowners expand their homes with style and confidence. Our full-service team is here to guide you from concept to completion, handling everything with care, professionalism, and creativity. Whether you want to add one room or an entire floor, let’s talk about what’s possible for your property.

Why Choose Royalty Builders for Your Walnut Creek Home Addition?

• ✅ Local Experts: We understand Walnut Creek building codes, styles, and regulations.

• ✅ Custom Design Solutions: No templates—just thoughtful design built around you.

• ✅ Reliable Project Management: Clear timelines and consistent communication.

• ✅ High-Quality Craftsmanship: We only work with trusted crews and premium materials.

• ✅ Client Satisfaction: Our clients rave about our results, and we take pride in earning their trust.

Frequently Asked Questions (FAQ) – Home Addition in Walnut Creek

Q: How long does a home addition project take in Walnut Creek?
A: Most projects take between 2–6 months depending on the size and complexity. We’ll provide a timeline before we start.

Q: Will I need a permit for my home addition?
A: Yes, nearly all home additions in Walnut Creek require permits. We’ll handle all the paperwork and work directly with the city.

Q: Can you match the style of my existing home?
A: Absolutely. Our designers ensure your new addition looks like it was always part of your house.

Q: Can I stay in my home during construction?
A: In many cases, yes. We plan the project to minimize disruption and maintain a safe, clean environment.

Contact Us Today

Thinking about a home addition in Walnut Creek? Let’s explore your options together. Call Royalty Builders today or fill out our quick form for a free, no-obligation consultation.

📞 Call now and start designing your dream space!