
Premier Second Story Addition Services in the Bay Area
Done Right Builders and Remodeling specializes in creating stunning second story additions that maximize your living space and increase your property value. From design and permits to construction and final inspection, we handle every step of the project.
We design and build complete second-story additions that expand your living space without sacrificing valuable yard space.
• Detached ADU Custom Design
We can add a new bedroom and bathroom on the second floor, creating a private retreat or additional living space for family members.
• Bedroom and Bathroom Additions
Need a dedicated work or creative space? We design and build second-story additions that provide the perfect environment for a home office or studio.
• Home Office or Studio Additions
We create luxurious master suites with spacious layouts, modern amenities, and plenty of natural light.
• Master Suite Expansions
We can design a second story addition that functions as a flexible space—ideal for a guest suite, playroom, or entertainment area.
• Multi-Functional Living Areas
Our Santa Clara Second Story Addition Services
Choosing Done Right Builders and Remodeling for your Santa Clara second story addition means choosing a professional team that delivers high-quality results. Here’s a breakdown of our services:
Our commitment to exceptional customer services goes beyond the blueprints – we’re dedicated listeners who prioritize understanding every detail in your home before tailoring your upgrade based on your needs. This personalized approach sets us apart as a go-to Santa Clara building contractor, ensuring your vision becomes a living reality.
ABOUT OUR COMPANY
Transforming Bay Area Homes, One Dream at a Time.
48
In-Progress Sites
282
Projects Completed
35
Professionals

Second story additions must meet specific zoning laws and setback requirements in Santa Clara. We guide you through these regulations to ensure your project complies.
Types of Second Story Addition Allowed
• Zoning and Setback Regulations
• Structural Integrity and Engineering
Building a second story requires ensuring your existing foundation and structure can support the additional load. Our team works with structural engineers to guarantee a safe, stable design.
• Permits and Inspections
Second story additions require multiple permits, including building, electrical, and plumbing permits. We handle all the necessary paperwork and ensure all inspections are passed throughout the construction process.
Santa Clara Second Story Addition Requirements at a Glance
Adding a second story to your home requires careful planning and full compliance with local building codes and regulations. Here’s what you need to know before starting your project:

I considered multiple contractors from which I selected Done Right. They listened well and came up with a great room addition design using their in-house designer. Throughout the project, they were very responsive and proved to be masters problem solvers. I recommend Done Right as a general contractor company.
John Allison
San Jose
Done Right Builders and Remodeling Just finished my kitchen remodeling, very happy and pleased with the professionalism of Done Right. thank you to entire work in crew well done. Oscar Kitchen Gourmet it's open. Dan and Joshua thanks a lot for your support as well!
Alicia Potter
Santa Clara
My remodeling project was initially scoped out and an accurate estimate was provided. We then worked with a design person and went through three iterations of renderings to get to the final design. What I really liked is that Done Right Builders and Remodeling is a company that has a cadre of craftsman as specialists in their craft.
Edward B. Suarez
Fremont

I considered multiple contractors from which I selected Done Right. They listened well and came up with a great room addition design using their in-house designer. Throughout the project, they were very responsive and proved to be masters problem solvers. I recommend Done Right as a general contractor company.
John Allison
San Jose
Done Right Builders and Remodeling Just finished my kitchen remodeling, very happy and pleased with the professionalism of Done Right. thank you to entire work in crew well done. Oscar Kitchen Gourmet it's open. Dan and Joshua thanks a lot for your support as well!
Alicia Potter
Santa Clara
My remodeling project was initially scoped out and an accurate estimate was provided. We then worked with a design person and went through three iterations of renderings to get to the final design. What I really liked is that Done Right Builders and Remodeling is a company that has a cadre of craftsman as specialists in their craft.
Edward B. Suarez
Fremont
Customer reviews from across the web
We specialize in adding functional and beautiful second stories to your home, providing more space without sacrificing your existing yard or property. Our team ensures a smooth process, from initial planning to final inspection.
Second Story Additions

Why Choose Us?
When you choose us for your Second Story Addition project, you get more than just extra space. You gain a beautifully designed and functional addition that enhances the value of your home and fits perfectly with your lifestyle.
We work closely with you throughout every phase of the process, ensuring every detail aligns with your vision. From architectural design to construction, we deliver results that exceed expectations.
Enjoy the benefits of a second story addition that adds comfort, style, and functionality to your home. Contact us today, and let us help you expand your living space.
20 + Years of Second Story Additions experience experts in Bay Area Attached ADU Construction regulations.
Specialists in Second Story Additions
We know local zoning laws and permit processes in Bay Area CA – ensuring faster approvals.
Local Expertise
No hidden costs. We provide a detailed fixed quote and stick to it.
Transparent Pricing
Your dedicated project manager keeps you updated every step of the way, ensuring on-time completion.
Project Management
Frequently asked questions

We begin with an in-depth consultation at your home to understand your needs, budget, and timeline. Our team will assess the structural feasibility of adding a second story and discuss your design ideas.
• Initial Consultation
Our experts create a detailed plan for your second story addition, ensuring it blends seamlessly with your existing structure and meets all design requirements. We handle architectural planning and compliance with local building codes.
• Design and Planning
We manage the permitting process, ensuring all necessary permits are obtained for your second story addition, including building, electrical, and plumbing permits.
• Obtaining Permits
Before construction begins, we prepare the site and assess the integrity of your existing foundation to ensure it can support the second story addition.
• Demolition and Preparation
Once permits are in place, our experienced contractors begin the construction phase. We handle all aspects of the build, from framing to electrical work and plumbing installations.
• Construction Starts
We focus on the final details, ensuring both the interior and exterior of the second story addition meet your design preferences and are built to the highest standards.
• Interior Finishing
Our Bay Area Second Story Addition Process
Here is a step-by-step guide to how we complete your Second Story Addition project from start to finish:
We conduct thorough inspections throughout the construction process to ensure everything meets local building codes and safety standards.
• Inspections
We add the finishing touches, including paint, flooring, and hardware, and thoroughly clean the site to make sure it’s ready for use.
• Final Touches and Clean-Up
Once construction is complete, we conduct a final walkthrough with you to ensure the project meets your expectations. We provide all necessary documentation and records for the work done.
• Client Walkthrough and Approval
We provide all the required documentation, including compliance certificates and project details, and ensure that you have everything you need for your records.
• Handover and Documentation
We offer ongoing support to address any questions or concerns you may have after the project is complete. We want to ensure that your new second story addition continues to meet your needs and adds long-term value to your home.
• Post-Construction Support
• Maximize Living Space Without Expanding Footprint
• Increase Property Value
• Full-Service Design and Build
• Expert Craftsmanship with Quality Materials