Custom Backyard ADUs
Made Easy!

Custom Backyard ADUs
Made Easy!

Custom Backyard ADUs Made Easy!

Custom Backyard ADUs Made Easy!

Unlock the full potential of your property with a custom Accessory Dwelling Unit (ADU) from Nonna Homes. Whether you're in the heart of the San Francisco Bay Area, including Milpitas and San Jose, or beyond, our team of skilled professionals is here to help you create a space that fits your needs and vision.

Give us a call at 1-800-734-7238 or click below to get started today.

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Why Choose Nonna Homes?

At Nonna Homes, we make the process of building an ADU simple, straightforward, and stress-free for homeowners. From start to finish, every project is handled by our dedicated team of ADU experts, ensuring your vision comes to life with ease.


  • Custom Design: We create ADUs that are tailored to fit both your unique needs and your property.

  • Efficient Planning & Permitting: We take care of all the paperwork and regulations, so you don’t have to worry.

  • On-site Visits: Our team offers personalized consultations right at your home in the San Francisco Bay Area or beyond.

  • Satisfaction Guarantee: Your satisfaction is our priority. We are committed to delivering results that exceed your expectations.

  • Fully Insured: With us, you can rest easy knowing the construction process is fully covered for your peace of mind.

Our Promise

Our Promise

Our Promise

We Make Building Your ADU Easy and Stress-Free!


At Nonna Homes, we take the hassle out of creating your custom ADU (Accessory Dwelling Unit) by offering:


Personalized Design

Streamlined Planning & Permitting

On-Site Consultations

Satisfaction Guarantee

Comprehensive Insurance Coverage


Let us help bring your vision to life, whether you're in the San Francisco Bay Area or beyond!

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See The Options Available

Creating lasting connections between people and their perfect homes, redefined luxury living that seamlessly integrates comfort.

DETACHED ADU

Detached ADUs are the most desired by our homeowners. Your ADU can be between 150 sq ft to 1200 sq ft completely detached with separate address and meter. We have several floor plans that will best fit your essentials.

DETACHED ADU

Detached ADUs are the most desired by our homeowners. Your ADU can be between 150 sq ft to 1200 sq ft completely detached with separate address and meter. We have several floor plans that will best fit your essentials.

DETACHED ADU

Detached ADUs are the most desired by our homeowners. Your ADU can be between 150 sq ft to 1200 sq ft completely detached with separate address and meter. We have several floor plans that will best fit your essentials.

DETACHED ADU

Detached ADUs are the most desired by our homeowners. Your ADU can be between 150 sq ft to 1200 sq ft completely detached with separate address and meter. We have several floor plans that will best fit your essentials.

ATTACHED ADU

Attached ADUs are a great concept to tie into your house or if space is limited to build a full detached ADU. Attached ADUs do come with separate room, bathroom and kitchen but usually shares a wall with the main home.

ATTACHED ADU

Attached ADUs are a great concept to tie into your house or if space is limited to build a full detached ADU. Attached ADUs do come with separate room, bathroom and kitchen but usually shares a wall with the main home.

ATTACHED ADU

Attached ADUs are a great concept to tie into your house or if space is limited to build a full detached ADU. Attached ADUs do come with separate room, bathroom and kitchen but usually shares a wall with the main home.

ATTACHED ADU

Attached ADUs are a great concept to tie into your house or if space is limited to build a full detached ADU. Attached ADUs do come with separate room, bathroom and kitchen but usually shares a wall with the main home.

GARAGE CONVERSION

Garages are GREAT inexpensive way to get an ADU. Homeowners today are turning this space into a living and rental income earning space. Perfect for the kids, mother in law, and/or rental space.

GARAGE CONVERSION

Garages are GREAT inexpensive way to get an ADU. Homeowners today are turning this space into a living and rental income earning space. Perfect for the kids, mother in law, and/or rental space.

GARAGE CONVERSION

Garages are GREAT inexpensive way to get an ADU. Homeowners today are turning this space into a living and rental income earning space. Perfect for the kids, mother in law, and/or rental space.

GARAGE CONVERSION

Garages are GREAT inexpensive way to get an ADU. Homeowners today are turning this space into a living and rental income earning space. Perfect for the kids, mother in law, and/or rental space.

Explore ADU Costs

Why Choose Nonna Homes?

Why Choose
Nonna Homes?

Our Commitment

Nonna Homes has over 20 years of experience, we manage and coordinate every aspect of your ADU project from start to finish. We handle the entire process for you, ensuring that every project is custom-built on-site to the highest standards.

Our Commitment

Nonna Homes has over 20 years of experience, we manage and coordinate every aspect of your ADU project from start to finish. We handle the entire process for you, ensuring that every project is custom-built on-site to the highest standards.

Our Clients Love What We Do.

Our Clients Love What We Do.

  • "Having Nonna Homes build our ADU was the best decision we could have made. After interviewing several companies, we felt with the customer service and professionalism the team handled our questions and concerns, really made us feel confident about our design too. They made this process that more pleasant and exciting for us. I would recommend them to all our friends and family."

    Annalyn

  • Nonna homes has been wonderful from the very beginning. The helped us find the right financing needed, they have been so easy to work with and helpful along the way to make things work successfully for us. We can’t wait to see the completed project!"

    Natalie

  • “Nonna has been great. I've worked with the architect for the lay out of the ADU. Next is the designer, everyone has been professional and prompt."

    Ryan

  • "We found working with Nonna Homes a great pleasure. They listened very carefully to us and helped us explore what's possible for our ADU need. We just signed the contract with them and looking forward to the construction."

    Dave

  • "I was impressed with the level of hands on personal touch and professionalism Nonna Homes is big on"

    Fidel

  • "We had started our project and we’re discussing the ADU turn key options. Nona homes team came on site to see the area of ADU. We found the team to be very knowledgeable of their product and they also answered some of the questions we had which we found was very knowledgeable and the team sounded very confident about the project."

    Mohammed

Build the perfect ADU

Creating lasting connections between people and their perfect homes, redefined luxury living that seamlessly integrates comfort.

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Michael

"Working with Nonna Homes was a fantastic experience. They guided us through every step of building our ADU, from design to construction. The team was professional, knowledgeable, and attentive to our needs. We couldn’t be happier with the results!"

Mani

“Nonna Homes exceeded our expectations in every way. Their attention to detail and commitment to quality are unmatched. Our ADU is not only functional but also a beautiful addition to our home. Thank you, Nonna Homes!”

Lauren

"Their attention to detail and commitment to quality were evident throughout. The construction team was punctual, respectful, and kept the site clean. The finished ADU is beautiful, functional, and blends seamlessly with our main house. We are thrilled with the outcome and grateful to Nonna Homes for their exceptional service.”

Dan

"The quality of workmanship and materials is outstanding. The project was completed on time and within budget. We highly recommend them!"

Steven

"From the initial consultation to the final walk-through, Nonna Homes provided exceptional service. Their team was always available to answer questions and address concerns, and they went above and beyond to ensure we were satisfied with every aspect of the project. The design process was thoughtful and thorough, resulting in a layout that perfectly suits our needs. During construction, the crew was professional, efficient, and respectful of our property. Our ADU is perfect, and we couldn’t be more pleased with the quality of work and the level of care Nonna Homes demonstrated. We highly recommend them to anyone looking to add an ADU to their home."

Lonrel

"The quality of workmanship and materials is outstanding. The project was completed on time and within budget. We highly recommend them!"

Manoj

"Nonna Homes made our dream of having an ADU a reality."

Francine

"We had a wonderful experience with Nonna Homes. They made the process of building an ADU easy and stress-free."

Miguel

"“Nonna Homes transformed our backyard with a beautiful, custom-built ADU. The quality of workmanship and materials is outstanding. The project was completed on time and within budget. We highly recommend them!”'

Karen

"We had a wonderful experience with Nonna Homes. They made the process of building an ADU easy and stress-free."

Building the Future Way We Live

Building the Future
Way We Live

Creating an ADU should be easy and stress-free. As a full-service ADU company, we believe that safe, affordable, and comfortable housing should be accessible to everyone. We focus on building high-quality, cost-effective ADUs that solve the housing shortage with forward-thinking solutions.


Creating an ADU should be easy and stress-free. As a full-service ADU company, we believe that safe, affordable, and comfortable housing should be accessible to everyone. We focus on building high-quality, cost-effective ADUs that solve the housing shortage with forward-thinking solutions.


© 2024 All Right Reserved by Nonna Homes - Adu and Construction Lic# 1115116

© 2024 All Right Reserved by

Nonna ADU & Construction Inc. Lic# 1115116

© 2024 All Right Reserved by

Nonna ADU & Construction Inc.

Lic# 1115116

© 2024 All Right Reserved by Nonna Homes - Adu and Construction Lic# 1115116