ADU Knowledge
July 1, 2024

Building an ADU in Saratoga - What to Expect

Argi Avetisyan
Argi Avetisyan
Gather ADU expert
Building an ADU in Saratoga - What to Expect
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Thinking about adding an accessory dwelling unit (ADU) to your property in Saratoga? Smart move! Not only can an ADU provide additional living space and rental income, but it's also a great way to increase your property's value. In this guide, we'll cover everything you need to know about building an ADU in Saratoga, from legal requirements to construction tips. Let's get started!

What is an ADU?

An ADU, or Accessory Dwelling Unit, is a self-contained living space that can be attached to or detached from a primary residence. It includes all the amenities needed for independent living, such as a kitchen, bathroom, and sleeping area. ADUs are becoming increasingly popular as housing costs rise and families look for alternative living arrangements.

Why ADUs Are Popular in Saratoga

Saratoga is seeing a surge in ADU construction for several reasons. First, they offer a practical solution for multi-generational living, providing a private space for elderly parents or adult children. Second, ADUs can generate rental income, making them an attractive option for homeowners looking to offset their mortgage or other expenses. Lastly, with over 1,000 ADUs already in Saratoga and growing by about 10% per year, it's clear that many residents see the benefits of these versatile living spaces.

The Legal and Zoning Landscape

Before you start planning your ADU, it's crucial to understand Saratoga's specific regulations and zoning laws. Here's a breakdown of what you need to know.

Overview of Saratoga's ADU Regulations

Saratoga's regulations are designed to ensure that ADUs are safe, livable, and add value to the community. Generally, all standard ADU types—detached, attached, and conversion—as well as Junior ADUs (JADUs), are permitted.

General ADU Requirements

ADU in Saratoga

Your ADU must be equipped for independent living, which includes:

  • Living area
  • Eating space
  • Sleeping quarters
  • Sanitation (i.e., a bathroom)
  • Cooking amenities

Additionally, your ADU must have:

  • A separate exterior access from the primary dwelling
  • A fully functional kitchen with a sink, countertops, cabinetry, a refrigerator, and a permanent range/cooktop

Zoning and Permits

All properties zoned for single-family and multi-family use may be eligible for ADUs. The permitting process involves several fees, including impact fees, school fees, and building permit fees, which can total around $5,000 to $10,000.

Number of Units and Size Restrictions

You can build up to two ADUs on a property zoned for single-family use. The size of your ADU will depend on its type:

  • Detached ADUs can be up to 1,200 sq. ft. if outside setback areas.
  • Attached ADUs can be up to 50% of the existing dwelling, with a maximum size of 1,200 sq. ft.
  • JADUs can be up to 500 sq. ft.

Setbacks and Parking

Saratoga follows California state law, which exempts ADUs from additional parking requirements under specific conditions, such as proximity to public transit or location within a historic district.

Design and Construction

Choosing the Right Design

Designing your ADU involves more than just picking a floor plan. Consider how the design will integrate with your existing property and meet your specific needs. Whether you opt for a modern look or something more traditional, the design should maximize space and functionality.

Budgeting and Financing Options

Building an ADU is a significant investment, so it's essential to budget carefully. Financing options include home equity loans, personal loans, and specialized ADU financing programs. Make sure to account for all costs, including design, permits, construction, and landscaping.

Selecting a Reputable Contractor

Choosing the right contractor can make or break your ADU project. Look for contractors with experience in ADU construction and check their references. A good contractor will help you navigate the permitting process, stick to your budget, and complete the project on time.

Timeline and Logistics

A Realistic Timeline

Building an ADU is a complex process that can take anywhere from six months to a year. The timeline includes design, permitting, and construction phases. Keep in mind that delays can happen, so it's crucial to have a flexible timeline.

Managing Construction and Living On-Site

Living on-site during construction can be challenging. Set clear boundaries with your contractor to minimize disruptions. Consider temporary housing options if the construction will significantly impact your daily life.

Potential Challenges and How to Overcome Them

Building an ADU in Saratoga

Common Setbacks

Building an ADU comes with its own set of challenges, from permitting delays to unexpected construction issues. Common setbacks include zoning restrictions, budget overruns, and contractor availability.

Overcoming Challenges

To overcome these challenges, thorough planning is essential. Work closely with your contractor to develop a realistic budget and timeline. Stay informed about local zoning laws and regulations to avoid permitting issues.

The Value of an ADU

Adding Value to Your Property

An ADU can significantly increase your property's value. Potential buyers see the added living space as a valuable asset, whether it's used for rental income, a home office, or guest quarters.

Rental Income Potential

One of the most appealing aspects of an ADU is its rental income potential. Long-term rentals can provide a steady income stream, helping to offset your mortgage or other expenses.

FAQs

How close to my house can I build an ADU in Saratoga?  

When building a detached ADU, it should be at least six feet away from existing structures. Check with local authorities for specific requirements.

Can I convert my garage into an ADU?  

Yes, garage conversions are allowed and often less expensive than building a new detached ADU.

What is the smallest ADU I can build in Saratoga?  

The smallest ADU you can build is 150 sq. ft., regardless of type.

Does an ADU need a kitchen in Saratoga?  

Yes, all ADUs must have a fully functional kitchen.

Can I build two ADUs on my property in Saratoga?  

Yes, you can build one ADU and one JADU on a property zoned for single-family living.

What's the difference between an ADU and a JADU?  

ADUs can be attached or detached, while JADUs are contained within the primary dwelling. JADUs also have smaller size limits.

How much does an ADU increase property taxes in Saratoga?  

Building an ADU will not trigger a reassessment of your main home but may increase your property taxes based on the ADU's value.

How many bedrooms can an ADU have in Saratoga?  

There’s no explicit limit to the number of bedrooms, but space constraints generally allow for two to three bedrooms.

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

The process typically takes six months to a year, depending on various factors.

Can I rent my ADU in Saratoga?  

Yes, long-term rentals are permitted, but short-term rentals (less than 30 days) are not allowed.

How many square feet can an ADU be in Saratoga?  

Detached ADUs can be up to 1,200 sq. ft., while attached ADUs can be up to 50% of the existing dwelling, with a maximum size of 1,200 sq. ft.

Can you build a two-story ADU in Saratoga?  

Yes, two-story ADUs are allowed, with height restrictions varying by location.

Do I need solar on my ADU in Saratoga?  

ADUs below 1,000 sq. ft. are likely exempt from solar requirements as of 2023.

Conclusion

Building an ADU in Saratoga is a fantastic way to enhance your property, generate rental income, and provide additional living space. With careful planning and adherence to local regulations, you can create a valuable asset that meets your needs and adds significant value to your home. If you're considering building an ADU in Saratoga, now is the perfect time to start planning. Take the first step today and explore the possibilities that an ADU can offer.

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