Experienced Room Addition in Berkeley, California

Let Rockbay Construction & Remodeling help you determine how your new home should fit your style, as well as your practical needs, in Berkeley. As the trusted room addition contractor, our specialty is producing additional spaces for you that maximize your living experiences and enhance functionality in your residence. 

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Contact us today to learn more about our services and how we can help you create the space of your dreams. We look forward to working with you!

Transform Your Home with Rockbay Construction & Remodeling

We know how important it is to add living space for the comfort and satisfaction of expanding one’s lifestyle at Rockbay Construction & Remodeling. In Berkeley, our focus has been on the design and building of room additions that blend beautifully with your home and are functional at the same time. If you want to add a bedroom, a living area, or even a home office, we have the skill and expertise to design spaces to suit your lifestyle.

As a trusted room addition contractor in Berkeley, our team is dedicated to bringing your vision to life with expert craftsmanship and attention to detail. We work closely with you to ensure that the new addition enhances both your home’s functionality and overall design.

Why Choose Us As Your Room Addition Contractor in Berkeley?

Our team has long experience in the addition of functional and beautiful rooms to homes in Berkeley. From additional space for an expanding family to a serene retreat, we have a variety of room additions to suit your style and needs. We guarantee that every addition will complement the overall design of your home to look seamless and harmonious.

Ready to expand your living space? Contact Rockbay Construction & Remodeling today to schedule a consultation and explore our room addition in Berkeley. Our team is here to help you create a space that enhances your home’s functionality and beauty.

Customized Room Addition Design Solutions

Every house is different, and so is every room addition project. Your room addition in Berkeley will collaborate closely with you to understand your needs and preferences and design something that not only makes the place look beautiful but also functions for you. We help you in deciding from the plan to material selection and finishes.

We use only high-quality materials and advanced techniques in our room addition projects. Our commitment to excellence ensures that your new space is stylish, durable, and easy to maintain. With our attention to detail and craftsmanship, we guarantee exceptional results that will stand the test of time.

Our Room Addition Contractor in Berkeley

Custom Room Designs

Enhance your home with our custom room addition in Berkeley. We can add new bedrooms, offices, or family rooms to match your existing house. Our dedicated room addition contractors will help design and build the perfect space to complement your current home. With every detail considered, we will ensure that all elements are merged seamlessly with the current structure of your home.

Full Room Additions

A full transformation with our services entails covering everything related to the addition of structural changes and design finishes up to your very new space to be functional and stylish while having an alignment in the general style of your house.

Custom storage and layout solutions

Make your new room functionally optimized by creating custom storage solutions and innovative layouts. Our team designs and installs functional storage systems to ensure your added space is organized and practical, meeting all your needs.

Flooring and Finishing Touches

You can choose from various flooring and finishing options to complete your room addition in Berkeley. We have an expert installation of high-quality materials, including hardwood, tile, and stone, ensuring a flawless finish that enhances the look and feel of your new space.

Milestone Timeline

A step-by-step guide outlining the key stages and progress of your remodeling project from initial consultation to post-completion follow-up.

1. Initial Consultation and Planning

Begin with an in-depth discussion to understand your vision, assess your space, and develop initial design concepts that align with your needs and preferences.

2. Design Development and Finalization

Refine the initial concepts into detailed plans with 3D renderings and material selections. Finalize the design with your feedback and prepare necessary documentation for approvals.

3. Pre-Construction Preparation

Finalize contractor agreements, procure materials, and obtain necessary permits. Conduct a pre-construction meeting to review the project timeline and expectations.

4. Construction Phase

Execute the construction plan, starting with site preparation and structural work, followed by rough-in installations and finishing touches, ensuring high-quality craftsmanship at every step.

Mill Valley Complete Kitchen Remodel
5. Final Walkthrough and Completion

Conduct final inspections and walkthroughs with you to address any touch-ups. Hand over the completed project with maintenance tips and post-construction support.

6. Ensuring Long-Term Satisfaction

Schedule a follow-up consultation to address any questions or concerns, ensuring your complete satisfaction and gathering feedback for future improvements.

Frequently Asked Questions

Rockbay Construction & Remodeling offers a range of room addition services in Berkeley, from building additional bedrooms or offices to opening up large family rooms. If you’re considering adding a small extension or are looking to do a full addition, our company is here to help you through every step of the process.

To get started, contact us for a consultation. We will discuss your ideas, evaluate your space, and put together a plan that fits your vision. Our team will walk you through each step to ensure that your room addition in Berkeley meets your needs and exceeds your expectations.

Our ability to create seamless room additions and provide personalized service have made Rockbay Construction & Remodeling distinct. As the leading room addition contractor in Berkeley, we have a close partnership with you where we understand your style and preference, and ensure that every little detail of the new space will be executed. How long does a room addition project take?



The duration of a room addition project in Berkeley depends on the scope and complexity of the work. Our team will provide a detailed timeline during the planning phase and keep you updated throughout the process to ensure the timely completion of your room addition in Berkeley.

Yes, we offer expert guidance on selecting materials that complement the design and functionality of your new room. From flooring to finishes, our team helps you choose high-quality options that fit your aesthetic and coordinate with the overall design of your home.

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