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Accessory Dwelling Units (ADU) Builders and reliable garage conversion contractors
ADU (Accessory Dwelling Unit) Contractors and garage conversion builders

General Contactor for ADU Houses in the City of Cupertino

First step of working with Wise Builders is meeting and looking into the construction plans for your home remodel
Step 1: Let's Get Started
Initial Contact

During our first conversation, our team will ask you a handful of general questions regarding your ADU or garage conversion project so that we can better understand your needs and desires. If it feels like we are a good fit for each other, we will assign an experienced project manager to visit your property for your free in-home consultation.

Free In-Home Consultation

The project manager will arrive on the agreed-upon day & time and examine the location of where you plan to build your ADU. Your project manager will be your main point of contact from this point on so that they can truly understand your vision, style, and design ideas for your ADU project in Cupertino.

Scope of Work

If all goes well during the in-home appointment, your project manager will work with you and our office to break down the scope of the project. This phase will include an estimate of pricing for the project, the anticipated process, and the expected timeline for the completion of your new Accessory Dwelling Unit.

Iphone of website of Wise Builders contractors
Wise Builders truck with brand logo and company information
Free in-home consultation

Allow us to show you what we can do for you with our no-obligation, free in-home consultation.

Step 2: Build Framework
Meet At Our Showroom

It is incredibly important to us that you’re able to touch and feel the material finishes available to you so that you can make a confident decision on the design of your ADU. Our showroom in San Jose will feature beautifully designed cabinetry, a variety of exquisite tiles, and many more materials to complete your ADU project.

Finalize Gameplan

As you decide on your design and finishes, we will provide you with the final drawings, layout, design, and 3D renderings so that you can truly see how your ADU or garage conversion will look when we complete your project. Your project manager will walk you through all of the possible choices and outcomes you may have before finalizing your project.


At this point, the excitement has built up and we will both be incredibly eager to get started on your dream project! So upon review of all the finalized details, your project manager and our office will work with you to review and sign the contract so that we can finally begin building your ADU unit in the city of Cupertino!

Wise Builders showroom in san jose, california with cabinetry and door examples for your home remodel
Doors and cabinet shopping at the Wise Builders Showroom in San Jose for your complete home Remodel
Step 3: Pre-Construction
Obtain Permits

Our team will immediately begin obtaining permits and scheduling appointments with the necessary trade experts to guarantee your home is in the optimal state needed to begin the ADU construction phase. Your project manager will handle this process from A to Z.

Time To Shop!

This is the fun part! Time to shop! You and your project manager will take the time to review all the remaining materials, fixtures, and accessories needed for your ADU Design-Build from our most trusted vendors. These selections will give that final touch to your beautifully designed accessory dwelling unit in Cupertino.


Consistent communication is crucial for a successful process and the peace-of-mind knowing that your project is moving along. Due to our expertise and the care that our project managers have for their projects, you can expect a smooth and transparent process to completion of your new ADU home.

Step 4: Construction Phases

The initial phase of the actual construction will consist of us demolishing the area and removing all of the unwanted materials. Cleaning out the space in a timely manner will ensure that we stay on track with our ADU housing project timeline and prepare us for the framing phase.

Framing and Preparation

Preparation is a key part of a truly smooth installation process, so it is incredibly important that we inspect the space after it’s been demolished and begin the process of framing the structure. As framing is completed, we can then stucco the exterior, interior drywall, plumbing, and other aspects needed to move on to the installation phase.


It’s finally here! The installation process is where your brand new ADU or garage conversion begins to take shape and finally comes to life. Your project manager will ensure that each step is handled with care so that everything is installed in a clean and perfect manner.

Interior home remodel during the construction phase by Wise Builders
Finishing touches of the interior remodel before final inspection by Wise Builders
Step 5: Wrapping Up & Closeout
Review Final Touch-Ups

Once we complete the installation, your project manager will walk through the entire project with you and review the final punch list to ensure that everything was covered and handled properly. Any adjustments or minor tweaks will be handled in this phase of your accessory dwelling unit project.

Final Inspection

While it is hard to say goodbye, we know how excited you will be to finally enjoy your beautiful new ADU home. So this final walk-through with your project manager will be the final inspection needed to bring your ADU project in Cupertino to completion.

5-Star Review!

If your project manager made your ADU construction process seamless and enjoyable, then let’s give them the praise they deserve! You can find us on all review websites like Yelp and Google, and it truly warms our hearts to hear the good news directly from you!

Wise Builders logo and branded hard hat, which is the construction hat
Ready to move forward?

Begin your home remodeling project with us today with our free in-home consultation.

The demand for Accessory Dwelling Units construction in California is on the rise. This is because ADU provides passive income for homeowners and affordable housing options to people on a tight budget. At first, Cupertino ADU building can be stressful. So, it is important to find a contractor who is familiar with zoning laws and regulations.

ADU’s don’t require major infrastructure and have proved to be an efficient use of land. But, the challenge is finding the best ADU builder in Cupertino. This is where Wise steps in. Wise Builders dedicates itself to bringing its client’s dream dwelling unit into reality.

Garage conversions in Cupertino are amongst the most popular forms of ADU building. This is because conversions are cost and time effective. So, if you are looking to monetize off of underutilized space, reach out to Wise Builder!

What is ADU housing?

ADU’s are independent dwelling units built on the same property as a primary home. They are also referred to as accessory apartments, granny flats, or backyard cottages.

What does ADU mean in housing?

In housing, ADU means the home contains a secondary unit. But, it is important to be aware that one cannot sell their Cupertino ADU as separate property because they are legally attached to the primary lot. Typically, an ADU will have its own bathroom, kitchen, and entrance but will connect to the main property’s water, power, and gas hookups.

Types of ADU Homes You Can Build in Cupertino, CA

ADUs in Cupertino can take a variety of forms. Your ADU contractor in Cupertino should advise on the most appropriate type of ADU based on the layout of your home.

Besides being a leader in the ADU construction space, Wise dominates the Home Remodeler space as well. If you find yourself looking for kitchen remodeling contractors in Cupertino, CA – you’ve landed in the right place!

Garage Conversions

The most common way to build an ADU is by converting your garage. Cupertino garage conversions involve transforming a pre-existing structure into a developed living space. 

Attached ADUs

Attached ADUs is another type of ADU Cupertino structure you can build. These dwelling units are an addition to your existing house, sharing a wall with the primary home.

Detached Accessory Dwelling Units

Detached Accessory Dwelling Units are stand-alone structures – separate from the main house. This is the most popular option when constructing your ADU Cupertino unit, as it involves complete privacy for the guest.

Benefits of Adding an Accessory Dwelling Unit to Your Home in Cupertino

There are many benefits to building a Cupertino CA ADU. It can be a guest house for family members or used as a home office. Also, it allows homeowners to earn extra income while creating long-lasting equity in their home.

With the right home builder, constructing these dwelling units can be affordable. This is because you are not required to pay for the land or extensive infrastructure. Cost friendliness and transparency is something you should keep in mind when looking for ADU builders near me.

Wise Remodeling focuses on remaining economical in home renovations as well. Keep that in mind when searching for a cost-efficient Bathroom Remodel Contractor in Cupertino, California.

How much value does an ADU add to a house? 

When properly built by a general contractor, ADU’s can increase the value of your home by as high as 30%. Of course, this can vary depending on the property, location, and market conditions.

Rent Out Your ADU unit in Cupertino

Another way one can monetize from a City of Cupertino ADU is by renting it out. Renting out your ADU can be a source of passive income that can potentially cover upkeep and help out with mortgage payments.

Steps to Building an ADU House in Cupertino, CA

The first step in building an ADU is deciding what type of ADU will best fit both your needs and physical space. Then, you have to create a budget and figure out how much you will be spending on materials, landscaping, and permits. Finally and most importantly, you have to choose the best ADU builder in Cupertino.

Wise Construction will then:

  • Draw the blueprints
  • Create material lists
  • Get the necessary permits. 
  • Finally, start building!

At Wise Builders, there is no need to worry about the various ADU cupertino requirements, guidelines, and regulations. Wise Contractors are experts in the field, providing top tier House Renovations Services in Cupertino, CA.

Do you need planning permission for an ADU Home in Cupertino?

Yes, you do need planning permission in order to construct your ADU home. ADU companies in Cupertino are responsible for drawing floor plans and blueprints that follow local laws.

New California state laws have made it easy to build an ADU. Nonetheless, there are various Cupertino ADU permits one needs to attain before the work begins. Typically, states will require an electrical permit and location permit.

Additionally, your home builder must be aware of allowed locations, maximum square footage, and maximum height. These are all things to keep in mind when looking for an Additional Dwelling Unit (ADU) contractor Bay Area.

How long does it take to build an ADU in Cupertino?

Typically, it will take anywhere from 3 months to 1 year to build your backyard home. However, the amount of time will depend on square footage, the complexity of your design, and the efficiency of your ADU contractor in Cupertino.

No matter what type of ADU you decide to build, issues and complications can arise unexpectedly. That is why doing your due diligence before blindly choosing the first contractor that pops up when you search “ADU contractor near me” is vital. Wise builders is amongst the finest New Home Builder in Cupertino, California.

How to Choose The Right ADU Contractor in Your Area

Choosing the right contractor to build your City of Cupertino ADU is half the battle- so, what should you be looking for? Firstly, make sure that your contractor is licensed and insured. Also, you want to ensure that they have sufficient experience with ADU Cupertino CA construction and permitting.

You should never be afraid to ask questions. It is encouraged to ask your local ADU contractor if they offer warranty and financing options.

What is an ADU contractor?

An adu contractor handles overseeing and organizing the construction of your dwelling unit. They should get the necessary permits, create a timeline, and recommend materials.

At Wise Builders, we are organized and transparent Room Addition Contractors in Cupertino.  Contractors at Wise seek solutions and are ready to pivot when any complications arise.

How much does an ADU cost?

The cost of your ADU will depend on a variety of factors. This includes the size, the design, and the cost of the materials and labor. In California, ADU permits cost anywhere from $2,000 to north of $10,000.

The right contractor should be transparent about the costs from the get-go. Wise Builders offer free estimates where materials and labor costs are outlined, so you have a solid understanding of what it will cost you. This is common practice among Accessory dwelling unit builders in Cupertino.

What you should know about the city of Cupertino

Cupertino is a beautiful city located in California’s leading technology and innovation hub, Silicon Valley. Cupertino contains beautiful parks, museums, and high-ranking public schools.

What county is the city of Cupertino in?

Located in Santa Clara County, Cupertino is one of the most populous counties in California. The relaxing of ADU laws at a state level and the shortage of affordable homes make Santa Clara County a booming market for ADU construction. This is demonstrated by the inclining demand for ADU builders in San Jose, CA – another beautiful city only 10 miles east of Cupertino.

ADU’s are contributing to the affordable housing pool, providing additional income for property owners, and are great alternative real estate investments. Due to high-interest rates and home prices, the need for professional ADU contractors is greater than ever. Trust Wise Builder to transform your dream ADU unit and make it a reality!

Frequently Asked Questions on ADUs in the city of Cupertino


What ADU stands for?

ADU stands for accessory dwelling unit. They are also known as in-law suites, secondary units, and granny flats. Cupertino ADUs are a profitable and innovative way to expand housing options in Santa Clara County. 

Does an adu have to be detached?

No, ADUs can be attached or detached. Depending on the layout of your home, one may decide to build a stand alone unit or a structure that shares a wall with the primary home. Various subcategories include basement ADUs, junior ADUs, and Cupertino Garage conversions.

Can you rent an ADU?

Yes, renting out your ADU is an awesome way to generate passive income! The one caveat is that it is not permitted to rent out your Cupertino CA ADU for short periods of time.

Does an ADU increase property taxes?

Yes, building an ADU will increase property taxes as it does increase the value of your home. But, this doesn’t mean your primary home will be re-assessed. The City of Cupertino ADU is independently assessed, resulting in a blended assessment. Typically, property taxes in California are 1% of the assessed market value.

Is building an ADU tax deductible?

The best way to gain tax benefits from your ADU is to rent it out under a Limited Liability Company, which will protect you and your home from any tenant conflicts that can arise. Also, you will be able to deduct the soft costs as startup expenses. Of course, the rental income is taxable, but the cost of maintenance and depreciation can be deduced, which will reduce your taxable income overall. Your local ADU contractor should advise and educate you about the various tax benefits that come along with ADU building.

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