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Home Additions

Transform your home with Bay Area home addition services: room extensions, second-story additions, ADU construction, garage conversions, and full code

(408) 770-9455

Home Additions in the Bay Area

Expand your living space with professional home addition services. Whether you’re adding a room, building a second story, or converting a garage, our licensed Bay Area home addition experts ensure seamless integration with your existing space. With extensive experience in structural engineering and permit management, we deliver high-quality results on time and within budget.

How Our Home Addition Process Works

Our home addition process begins with a comprehensive structural analysis to ensure that your new space integrates perfectly with the existing foundation and framing of your home. We then provide detailed engineering plans, taking care to match your home’s aesthetic, ensuring the addition looks like it’s always been part of the original structure.

Permit Management & Code Compliance

Navigating the complexities of Bay Area building codes and permit applications can be challenging. Our team handles all the necessary paperwork, permit applications, and inspections required by local municipalities, ensuring full compliance with all codes and regulations.

Seamless Integration for a Cohesive Look

Our goal is to make sure your home addition feels like a natural extension of your existing space. We use the same architectural details, materials, and finishes to ensure that your new addition blends in seamlessly, preserving the style and flow of your home.

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TESTIMONIALS

Customer testimonials

Sarah M

Fast, honest, and professional. Our new roof looks great and the team made the entire process stress-free.

Daniel R

"Will explained everything clearly and stuck to the plan. Great quality work and no surprises. Trustworthy crew!"

Carol B

"The crew was respectful, quick, and left our yard spotless. Roof looks amazing. Great experience all around!"

James T

"Outstanding service. Finished early, cleaned up perfectly, and delivered top-notch work. Highly recommend."

Brian K

"After a bad contractor, Will’s team was a breath of fresh air. Reliable, clear communication, and excellent work."

Maria L

"Quick response during a storm. Fixed the leak fast and didn’t upsell. Honest, reliable, and efficient."

Lisa D

"Very responsive and flexible with scheduling. Great communication and smooth service from start to finish."

Room Additions & Extensions

Expand your home with custom room additions and extensions that add space and functionality. Whether you need a larger living room, an extra bedroom, or a dedicated home office, we design and build room additions that suit your needs and enhance your lifestyle.

(408) 770-9455

Second Story Additions

Maximize your property’s potential by building upward with a professionally designed second-story addition. Our second-story additions are carefully planned to match the existing architecture, rooflines, and exterior finishes of your home, creating a seamless look that feels original rather than added on.

From initial structural analysis and engineering to permit approvals and full construction, we manage every phase of the project. Our team ensures your home’s foundation and framing can support the additional level, while coordinating all structural, electrical, and mechanical work to meet local building codes. The result is a beautifully integrated second story that adds significant square footage, improves functionality, and increases long-term property value.

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(408) 770-9455

ADU Construction

Accessory Dwelling Units (ADUs) are an increasingly popular solution for homeowners looking to add flexible living space, generate rental income, or create a private guest house or home office. Our team specializes in complete ADU construction, guiding you through every stage of the process from initial design and space planning to construction and final inspection.

We handle all zoning analysis, structural engineering, permitting, and code compliance requirements to ensure your ADU meets local regulations and integrates seamlessly with your property. Whether detached, attached, or converted from existing space, we design and build ADUs that are functional, efficient, and thoughtfully finished, delivering long-term value and versatility for your home.

(408) 770-9455

FAQS

Frequently Asked Questions

How long does a home addition project take?

Home addition projects typically take between 2–6 months depending on the complexity of the design, permitting processes, and the scale of the addition.

Do I need a permit for a home addition in the Bay Area?

Yes, all home additions require permits and inspections. We handle the entire permit process to ensure your project is in full compliance with local building codes.

What are the most common types of home additions you do?

We specialize in room additions, second-story additions, ADU construction, garage conversions, and custom extensions that increase space and functionality in your home.

Yes! We make sure to match the architectural style, materials, and finishes of your home, ensuring that the new addition looks like it was always part of the original structure.

Yes. We provide photo-documented inspections and budget ranges so you can see whether a repair is cost-effective or if replacement will save money long term. We don’t pressure—just clear, honest recommendations.

Do you handle structural engineering for home additions?

Yes, our team provides full structural engineering services, ensuring that your home addition is safe, secure, and compliant with all necessary codes.

Service Areas