Create Your Perfect Living Space with a Beautiful Second Story Addition

Element Home Remodeling is a Mountain View-based design-build company will transform your current home into your dream home with a beautiful custom second story home addition.

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Second Story Additions

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Services Offered

Architectural & Engineering Plans

Permit Services

Design & Material Shopping

Construction & Project Management

Second Story Addition Contractors

Your home is a sanctuary, a place that should evolve with your changing needs. A second story addition not only dramatically augments the usable space within your home, but it also significantly boosts its market value. Mountain View and The Bay Area are regions characterized by a blend of traditional charm and modern sophistication. Our designs mirror this ethos, ensuring your home addition harmoniously blends with the neighborhood’s architectural narrative, all while adding a contemporary touch that is uniquely yours.

Whether it’s crafting a luxurious master suite, an expansive home office, or additional living spaces that are as functional as they are beautiful, our commitment to excellence ensures your home renovation project is executed with unmatched craftsmanship and attention to detail.

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Working With Us is Easy

Here is how to get started


Book Appointment

Getting started is easy. Just give us a call or fill out our contact form to schedule your free estimate.


Free Estimate

We will come to your home for a free assessment and consultation. From this visit will be provided a free estimate.


Design Plans

We will provide you with amazing ideas and plans for you to choose form for your project.



Construction begins, we work with you every step of the way until the project is complete.

Second Story Addition Options

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Full Second Story

A full second story addition is a grand endeavor that essentially doubles your living space. This option is perfect for homeowners looking to add multiple rooms or create extensive living areas. It’s an opportunity to design the layout afresh, incorporating modern design elements to create a harmonious flow between the old and the new.

art studio garage conversion

Room Above Garage

Utilizing the space above your garage is a smart way to gain extra room without altering the main structure of your house. Whether you need a home office, a studio, or an extra bedroom, the room above the garage can be designed to meet various needs.

new bedroom addition Mountain View

Master Suite

Elevate your living experience by creating a luxurious master suite on the second floor. This addition can include a spacious bedroom, a modern bathroom, a walk-in closet, and a private balcony, providing a personal retreat within your home.

Office Addition

Home Office

With the rise of remote working, a home office has become a crucial part of modern living. A second-story addition dedicated to a home office can provide a quiet, secluded space conducive for productivity and creativity.

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Family Room

Create a cozy family room where everyone can gather for relaxation and bonding. A well-designed family room can become the heart of your home, providing a warm and inviting space for everyone.

Spacious kitchen in modern house

In-law Suite

Cater to your extended family by adding an in-law suite. This self-contained space can include a bedroom, bathroom, living area, and a kitchenette, offering privacy and comfort to your loved ones.


Second Story Additions 

Our second story addition services are tailored to meet the distinct needs of each homeowner, ensuring that the new space is both functional and aesthetically pleasing. Whether you’re looking to create additional bedrooms, a spacious home office, or an entertainment area, a second story addition presents a myriad of possibilities to enhance your living experience.

Adding a new level to your existing home not only provides the extra space you desire but also adds a fresh, modern appeal to your property. It’s an opportunity to modernize the architectural aesthetics of your home while significantly increasing its market value. Expanding upwards is also a prudent choice in Mountain View and The Bay Area where land is a premium, making a second story addition a savvy, space-efficient solution.

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Design Build Contractors

As a premier design-build contractor in Sunnyvale, CA, we champion a collaborative approach. Our team of seasoned architects, designers, and builders work hand-in-hand with homeowners from the inception of the project. We value the vision you have for your dream home, and our mission is to personalize each aspect of the design and construction process to align with your aspirations and the unique character of your existing home.

Attention to detail is at the core of our operations. We meticulously plan every facet of the project, from securing the necessary permits to ensuring adherence to local building codes, and orchestrating a harmonious blend between the new addition and the existing structure. Our expertise in navigating the regulatory landscape, particularly in the Mountain View and The Bay Area, ensures a smooth, hassle-free process, allowing you to focus on the exciting transformation your home is undergoing.

Serving The Entire Bay Area

At Element Home Remodeling, our geographical footprint extends across the vibrant and diverse communities of the Bay Area. From the bustling cityscape of San Jose to the serene suburbs of Mountain View, we bring our unrivaled home remodeling services to your doorstep, wherever you are. Our meticulously curated team of addition experts is adept at transforming homes in Sunnyvale, Cupertino, Santa Clara, Redwood City, Palo Alto, and San Mateo, tailoring each project to the distinct character and demands of each locale.

Our mission transcends mere construction; we strive to enrich lives by crafting spaces that resonate with the unique lifestyle and aesthetic preferences of every homeowner we serve. Over the years, our commitment to excellence and a personalized approach has cemented our reputation as a trusted partner for home additions and remodeling across the Bay Area.

Offering an array of services encompassing second story additions, room expansions, and full home remodeling, we are your go-to contractor for a seamless, hassle-free renovation experience. We invite you to schedule a free consultation with our seasoned experts to explore the boundless possibilities awaiting your home. Whether you’re envisioning a modern, spacious second story addition or a cozy, elegant room expansion, our comprehensive suite of services is designed to cater to every whim and desire.

Benefits of Adding a Second Story Addition

Engaging in a home remodeling project to add a second story is a strategic move that holds a plethora of benefits. At Element Home Remodeling, we have honed our skills to ensure that every addition project we undertake not only meets but exceeds the expectations of homeowners in Mountain View and The Bay Area. Here are some compelling advantages that second story additions include:

  1. Increased Living Space: One of the most apparent benefits of adding a second story is the substantial increase in living space. Whether you have a growing family or simply desire more room, a second story addition is a perfect way to expand a smaller home without encroaching on yard space.

  2. Enhanced Property Value: A well-executed second story addition can significantly increase the market value of your home. This is especially beneficial in prime areas like Mountain View and The Bay Area where property values are already appreciable.

  3. Modernization: Adding a second story provides an excellent opportunity to modernize your home. It allows for the incorporation of modern design elements, making your home more aesthetically appealing and functional.

  4. Versatile Design Options: The beauty of a second story addition lies in the plethora of design options it avails. Whether you own traditional ranch homes or contemporary styled residences, a second story addition can be tailored to blend seamlessly with the existing architecture while offering a chance to infuse personal style and modern features.

  5. Cost Efficiency: In comparison to moving or purchasing a larger home, a second story addition is a cost-effective way to achieve the perfect home that caters to your needs. Moreover, by expanding upwards, you save on the costs associated with expanding the home’s footprint, such as additional foundation work.

  6. Improved Views: A second story addition can provide enhanced views, especially in scenic locales like Mountain View and The Bay Area. It’s an opportunity to create tranquil, picturesque spaces within your home that offer a new perspective of the surrounding environment.

  7. Energy Efficiency: Modern home remodeling practices emphasize energy efficiency. When adding a second story, new insulation, windows, and roofing can contribute to better energy efficiency, potentially lowering your utility bills.

Frequently Asked Questions

Adding a second story to your home is a substantial project that comes with several cost factors. The price largely hinges on the size, shape, and specifications of the addition, alongside the quality of materials chosen, the need for foundation reinforcement, demolition work, and the location of your home.

Cost Factors:

  1. Shape and Size: The cost escalates when adding a full second-story addition onto a larger home compared to a partial addition onto a smaller home or above a garage. A room addition without extra hallways typically costs up to $72,000. Complex shapes also drive the prices higher.

  2. Quality of Finish: Opting for high-end materials like stone siding or marble flooring will raise the costs compared to choosing builder-grade materials. However, some high-end materials may reduce maintenance costs in the long run.

  3. Foundation Reinforcement: If your existing foundation is not robust enough to support a second-story addition, foundation reinforcement is necessary, costing $5,000 or more depending on various factors including location, seasonal weather patterns, and ground characteristics.

  4. Demolition: Building a second story often necessitates roof removal and opening up walls and ceilings for framing reinforcement. Roof replacement costs range between $4.35 and $11 per square foot, while removing a room averages $1,250. Chimney removal, if needed, adds around $4,500.

  5. Location: Living in a major city or regions prone to extreme weather conditions can significantly affect the cost due to higher material and labor prices, air rights issues, and the need for materials resistant to fire, wind, and snow damage.

Cost by Type of Addition:

  1. Full Second-Story Addition: A full second story addition is the most costly, potentially reaching up to $600,000 due to the larger square footage, stricter foundation requirements, and the need for more windows, roofing, and insulation among others.

  2. Partial Second-Story Addition: These are more flexible and comparatively cheaper, with costs topping out at around $300,000. They are ideal for adding a guest bedroom, an extra bathroom, or a home office.

  3. Bonus Room Above the Garage: Costs for this type range from $60,000 to $120,000 depending on the square footage and the garage’s structural capacity to handle the extra weight.

  4. Bump-Out Addition: If extending your existing second floor’s footprint is the goal, bump-out additions costing between $4,000 and $30,000 are a viable option.

  5. Second-Story Balcony: Adding a deck or balcony costs an average of $30 to $60 per square foot, varying based on design. Remember, an exterior door addition, averaging $1,200, might be necessary to accommodate the new outdoor space.

In the Bay Area, the average cost of a home addition ranges between $350 to $500 per square foot, which means for a 400 square feet addition, the total cost could range from $140,000 to $200,000, excluding permits and professional service fees which could add an additional 10%-30% to the total cost​

You have the flexibility to choose between a full 2nd story or a partial one based on your preferences, budget, and the structural capability of your home. A full 2nd story provides more additional space, while a partial one can cater to specific needs like an extra bedroom or office space.

Building a Mother-In-Law suite on your property is feasible, provided it adheres to the local zoning and building codes. It’s advisable to consult with a professional contractor and possibly a local planning department to understand the requirements and processes involved.

The cost-effectiveness between building a second story or expanding horizontally largely depends on various factors including the existing structure, land availability, and local building codes. In areas where land is premium, building upwards might be more economical.

Adding a second story to an existing house can be complex as it involves several factors like structural integrity, foundation strength, and adherence to local building codes. Engaging a reputable contractor with experience in second story additions is crucial to navigate through the complexities.

Yes, adding a second story can significantly increase the home value as it augments the living space, modernizes the home, and enhances the aesthetic appeal. The extent of value increase also depends on the quality of work and the prevailing real estate market conditions in your area.

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