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Interior Design

Room Addition in The Bay Area

With our experienced team of construction professionals, we guarantee that every residential room addition project we take on is done with the highest level of quality and craftsmanship. We use only the best quality materials and offer competitive prices to ensure that your project is done right and on time. We take pride in our customer service, ensuring that our clients are fully satisfied with the end results.


Consultation & Planning

The first step in our addition service is a consultation with our team of experts. We'll sit down with you to discuss your vision for the addition and any specific requirements or needs you may have. We'll also assess your existing space to determine the feasibility of the addition and any potential obstacles that may need to be addressed. From there, we'll create a detailed plan that outlines the scope of the project, budget, and timeline.

Design & Approval

Construction &

Once we've agreed on the scope of the project, our team of architects and designers will work with you to create a custom design that meets your needs and preferences. We'll provide you with detailed drawings and 3D models to give you a clear idea of what the final product will look like. We'll also handle all necessary permits and approvals, ensuring that the addition is compliant with all building codes and regulations.

With a detailed plan and design in place, our team of skilled contractors will begin construction on the addition. We'll use only the best materials and products to ensure that the final product is not only beautiful but also durable and long-lasting. Throughout the construction process, we'll keep you updated on our progress and address any concerns or questions you may have. Once the addition is complete.

Modern Interior Design

If you're looking to add more space and value to your Bay Area home, conventional room additions are an excellent option. They seamlessly blend in with the rest of your home and can serve a variety of purposes. Here are some popular types of conventional additions:


Second Story: A second story addition can add valuable living space to your home, such as a guest bedroom, home office, or playroom. If you have a small lot, adding a second story may be a better use of space than expanding the first floor.

Master Bedroom: A master bedroom with a private bathroom can be your private sanctuary away from the rest of your home. Besides improving your quality of living, a master bedroom addition will also increase your home's value in Bay Area.


Bathroom: Adding a new bathroom to your home is a practical necessity, especially if you have a growing family. It will ensure that no one has to wait to brush their teeth, take a bubble bath, or get ready for the day. This addition will also give your guests a bathroom to use during overnight stays.

Family Room: A family room provides a space for your family to hang out, watch TV, socialize, or play games. When you entertain guests, the children can play in the family room while the adults socialize in the formal living room.

Guest Bedroom: A guest bedroom addition will give your overnight visitors a place to sleep and store their belongings without having to stay in a hotel. This addition is worth considering if you have out-of-town family or friends over frequently. In the future, you can convert the room to a home office or gym.


Great Room: A great room is a combination of a living room, family room, and study with high ceilings. A great room addition provides a space for leisure, recreation, and entertainment. With a great room, you can have a large area to entertain guests or a relaxing space to unwind with your family.


Dining Room: A formal dining room is perfect for hosting family and friends for holiday meals or social gatherings. Adding a formal dining room to your home will make the event feel more special and intimate since everyone can focus on the dinner and conversation. It also provides more space for your guests than your regular kitchen area.

At Bay Stone Builders, we have extensive experience in creating conventional additions that are seamlessly integrated into your home. Contact us today to schedule a consultation and start planning your dream addition!

Latest Additions Projects




Minimal Design Bathroom



Bathroom Toilet




1338 Burkette Dr, San Jose,CA 95129


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