If you’re a homeowner in Oakland looking for more space, style, and long-term value, a custom home addition might be the perfect solution. At Royalty Builders, we specialize in designing and building home additions in Oakland that reflect your vision while enhancing your property’s charm and functionality. Whether you live in the hills, a historic Craftsman, or a modern build, our team crafts seamless additions that feel like they’ve always belonged.

We understand the complexities of building in Oakland—from navigating permits and hillside lots to matching diverse architectural styles—and we’re here to make your addition process smooth, efficient, and beautiful.

Custom Kitchen Additions in Oakland

Oakland homes are full of character—but often lack kitchen space or modern layouts. That’s where we come in. Whether you want to expand a small kitchen, create an open-concept space, or design a gourmet chef’s kitchen, our kitchen additions in Oakland are built to enhance both form and function. We use top-quality materials, innovative layouts, and premium finishes to create stunning kitchens with improved flow, storage, and energy efficiency.

Stylish Bathroom Additions in Oakland

Looking to add a new bathroom or upgrade your existing layout? Our bathroom additions in Oakland help improve your home’s functionality and value. Whether you’re adding a guest powder room, a family bathroom, or a spa-like ensuite, we incorporate upscale touches like custom vanities, walk-in showers, and luxury tile finishes. Each project is designed to suit your lifestyle while blending seamlessly with your home’s design.

Beautiful Sunroom Additions in Oakland

Oakland’s mild climate makes it the perfect place to enjoy a sunroom year-round. Whether it’s a light-filled retreat, a space for plants, or a cozy second living area, our sunroom additions are designed to capture natural light while maintaining comfort in every season. We use energy-efficient windows, insulated walls, and stylish finishes to create sunrooms that serve as functional extensions of your living space.

Functional Room Additions in Oakland

Need an extra bedroom, home office, or creative space? Our room additions in Oakland are tailored to your needs—whether you’re accommodating a growing family or simply want more flexibility. We handle every aspect, from framing and structure to design and finish work, ensuring the new space complements your existing layout. Our designs prioritize space efficiency, style continuity, and your unique lifestyle goals.

Second Story Additions for More Living Space

If you can’t build outward, build upward. Our second-story additions in Oakland are ideal for increasing square footage without sacrificing outdoor space—especially in denser neighborhoods or sloped properties. We specialize in full second-level expansions that can include bedrooms, bathrooms, lofts, or independent living suites. With careful attention to structural engineering, design consistency, and zoning requirements, we create second stories that look and feel like they were part of the original build.

Home Addition Costs in Oakland – What to Expect

Oakland’s housing market and varied terrain can make pricing more complex, but we provide honest, detailed estimates up front. Here’s a general guide:

Interior Additions

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

• Bathroom Addition: $25,000–$60,000+

• Second Story Addition: $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 at $20,000+

📌 Permit requirements, slope of land, structural changes, and design complexity all influence final pricing.

Why Choose Royalty Builders for Your Oakland Home Addition?

• ✅ Experienced with Oakland Properties: From Victorian homes to Mid-Century modern, we know how to build additions that respect and enhance your home’s character.

• ✅ Comprehensive Service: We handle design, permits, engineering, construction, and finishing touches—all under one roof.

• ✅ Transparent Estimates: No hidden fees, just honest advice and competitive pricing.

• ✅ Skilled, Licensed Team: Our builders and designers are fully licensed, insured, and highly experienced.

• ✅ Satisfied Homeowners: We’re known for our commitment to quality, timelines, and happy clients.

Your Local Home Addition Contractor in Oakland

At Royalty Builders, we’re proud to help Oakland homeowners expand and reimagine their living spaces. Whether you’re adding a second floor in Rockridge, building a sunroom in the Dimond District, or upgrading a kitchen in the hills, we bring the same care, quality, and personalized approach to every project.

We don’t just build additions—we build trust, relationships, and homes you’ll love for years to come.

Contact Us Today

Ready to take the next step toward your dream space? Contact Royalty Builders for a free, no-obligation consultation. Our friendly team is here to listen, provide expert guidance, and create a personalized plan for your Oakland home addition.
📞 Call us today or 📩 fill out our online form to get started. Let’s build something amazing—right where you are.

Frequently Asked Questions (FAQ) – Home Additions in Oakland

Q1: How much does a home addition typically cost in Oakland?
A: The cost of a home addition in Oakland varies based on factors such as size, design complexity, and material quality. On average, you can expect to pay between $150 to $350 per square foot. 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 Oakland?
A: Yes, obtaining the necessary permits is crucial for home addition projects in Oakland. Most projects require Planning approval before obtaining a Building Permit to ensure compliance with local land use and design regulations. 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 Oakland?
A: The duration of a home addition project in Oakland 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 Oakland?
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 Oakland?
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.