Located between San Francisco and San Jose, Redwood City offers the perfect balance of coastal charm and Silicon Valley convenience. At Royalty Builders, we specialize in custom home additions in Redwood City that help homeowners get more out of their living space—without leaving the neighborhood they love. Whether you’re expanding your kitchen, adding a sunroom, or building an entirely new level, our team ensures a smooth, stylish, and structurally sound addition from start to finish.

With extensive knowledge of Redwood City zoning, permit requirements, and architectural styles, we’re ready to help you grow your home with confidence.

Custom Kitchen Additions in Redwood City

If your kitchen feels cramped or outdated, a well-planned kitchen expansion can completely transform your daily life. Our kitchen additions in Redwood City are designed with form and function in mind—whether you want a chef-worthy space or a modern family kitchen. We handle everything from open layouts and center islands to premium cabinetry, quartz countertops, and energy-efficient lighting. Let us build you a kitchen that’s both beautiful and built for real life.

Stylish Bathroom Additions in Redwood City

A new bathroom can make your home more convenient, comfortable, and luxurious. Whether you’re building a guest bath or a master ensuite, our bathroom additions in Redwood City are fully customized to suit your space and lifestyle. We incorporate features like walk-in showers, soaking tubs, custom vanities, and high-end tile finishes. Every bathroom we build is designed for long-lasting beauty and everyday function.

Beautiful Sunroom Additions in Redwood City

Redwood City’s mild climate is ideal for enjoying natural light year-round—so why not bring it inside with a sunroom? Our sunroom additions are perfect for relaxing, entertaining, or creating a bright and inspiring space for work or play. We use energy-efficient windows and premium materials to build sunrooms that are comfortable in every season and integrate flawlessly with your home’s existing layout and design.

Functional Room Additions in Redwood City

Whether your family is growing or your needs have changed, we help you expand with purpose. Our room additions in Redwood City are ideal for extra bedrooms, home offices, media rooms, or fitness spaces. Every room is custom-designed to match your home’s style and flow. From the initial layout to the final finishes, we ensure your new space feels like it’s always been part of your home.

Second Story Additions for More Living Space

Running out of space on the ground? A second-story addition gives you the room you need—without compromising your yard. Perfect for Redwood City homeowners who want to stay put and grow upward, we design and build second stories that include bedrooms, bathrooms, lofts, or even private guest quarters. We handle structural engineering, city permits, and design continuity, ensuring your second floor is functional, safe, and stunning.

Home Addition Costs in Redwood City – What to Expect

We offer detailed, transparent estimates tailored to your project’s scope and your home’s structure. Here’s a general idea of home addition costs in Redwood City:

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+

📌 Your actual cost will depend on site conditions, finishes, design complexity, and local permit fees. We’ll walk you through every detail.

Why Choose Royalty Builders for Your Redwood City Home Addition?

• ✅ Local Expertise: We know Redwood City’s neighborhoods, permit systems, and design preferences.

• ✅ Full-Service Design & Build: From architectural plans to final paint, we handle everything.

• ✅ Custom Solutions: Every addition is tailored to your space, style, and goals.

• ✅ Premium Craftsmanship: Our licensed team delivers high-end results with long-term value.

• ✅ Excellent Communication: We keep you informed, on time, and on budget—every step of the way.

Your Trusted Home Addition Contractor in Redwood City

At Royalty Builders, we take pride in helping Redwood City homeowners turn their homes into the spaces they truly need. Whether you’re adding square footage for your family, creating a functional work-from-home solution, or upgrading for future resale value, we’re here to make it happen—with professionalism, care, and craftsmanship.

Contact Us Today

Thinking about a home addition in Redwood City? Let’s talk. Contact Royalty Builders today to schedule your free consultation. We’ll help you explore your options, answer your questions, and create a plan that brings your vision to life.
📞 Call us or 📩 fill out our online form to get started. More space is just a conversation away.

Frequently Asked Questions (FAQ) – Home Additions in Redwood City

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

• Standard Grade Construction: Approximately $150 per square foot. ​Additions Promatcher

• 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 Redwood City?
A: Yes, obtaining a building permit is required for most home addition projects in Redwood City. The City provides a detailed permit checklist outlining the necessary documentation and steps for successful permit acquisition. Our team manages the entire permitting process to ensure your project adheres to all local codes and regulations. ​Redwood City

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