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One-Stop Shop Custom ADU Builders - Sunnyvale, CA

Maximize the potential of your property with a custom ADU, tailored to fit your and your family's needs. From concept to completion, our team handles every aspect of the project, delivering a streamlined, stress-free experience that brings your vision to reality.

california casual detached adu
classic cottage-designed detached adu
attached adu concord

Why Choose Us?

Trusted Quality

Your satisfaction is our top priority, and we're dedicated to bringing your custom ADU from vision to reality. With an impressive 4.9 out of 5-star rating from numerous reviews, our commitment to quality shines through in every project. Our skilled team is regularly trained across multiple trades and stays updated with the latest trends, ensuring you receive innovative solutions and exceptional service every step of the way.

Peace of Mind

Have peace of mind knowing that we are a local and family-owned business. Our knowledge of local regulations and relationship with the local city in expediting your permits have been honed in our 20 years of experience. We treat every project with dedication as if they're ours, extending our support with an unmatched three (3) years project warranty in Sunnyvale. This comes with a complimentary annual project inspection for up to 3 years on top of the 10-year warranty on structural components.

Hassle-Free

Experience a seamless ADU-building experience with our complete range of services, designed to meet all your home remodeling needs. We offer customized solutions crafted to fit your lifestyle and preferences. Our complete team of experts from Architects, Designers, Engineers, to Builders are here to support and guide you at every stage, from initial planning and design through construction to the final, move-in-ready phase.

What Our Clients Say

Our Projects

Scope of Work

Our scope of work for custom ADU includes, but are  not limited to, the following:

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  • Initial Consultation

  • Budget Planning

  • Permitting & Zoning

  • Architectural Design

  • Structural Engineering

  • 3D Renderings & Visualizations

  • Project Management

  • Site Surveying

  • Demolition

  • Foundation Work

  • Framing

  • Roofing

  • Insulation

  • Windows & Doors

  • Plumbing System

  • Electrical Wiring

  • HVAC Installation

  • Drywall & Painting

  • Flooring Installation

  • Cabinetry & Millwork

  • Cabinet & Countertop Installation

  • Fixtures & Appliances

  • Tile & Backsplash Installation

  • Siding & Exterior Painting

  • Landscaping

  • Fencing & Privacy

  • Code Compliance Checks

More Services Offered

We also provide professional and expert services for:

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Call us now to have a free phone consultation for your home construction and improvement needs.​

Our Process

01

Initial Consultation

Start with a phone consultation at 408-600-0448 to discuss your project goals and budget, laying the groundwork for a successful project.

initial consultation with a general contractor over the phone

02

On-Site Consultation

Our project manager visits your property to assess the space and review building codes, ensuring a tailored approach to your needs.

on-site consultation with a general contractor in Bay Area

03

Design & Estimate

We provide a custom design and detailed estimate, outlining the scope and timeline for your project.

general contractor in bay area working on estimate

04

Permits Acquisition

We handle all permitting with local and city authorities, ensuring full compliance with California building codes.

general contractor with a permit

05

Construction

Our skilled team executes the construction with precision, providing regular updates and maintaining high-quality standards.

team of builders doing a construction

06

Quality Control & Support

We perform thorough inspections and offer post-completion support with a 3-year project warranty to ensure your satisfaction and project durability.

3 years project warranty

Frequently Asked Questions

1. What does ADU mean?

An Accessory Dwelling Unit (ADU) is a separate living area on the same property as a single-family home, often used for rentals, guest housing, or personal workspace.

2. How much does it cost to build an ADU in Sunnyvale?

The cost to build an ADU in Sunnyvale generally ranges from $150,000 to $300,000 or more, depending on the scope and design of the project. We offer customized estimates based on your requirements.

3. Where am I allowed to build an ADU in Sunnyvale?

In Sunnyvale, ADUs are typically allowed on residential lots, though zoning requirements and property size can impact where they are placed. Our team ensures compliance with local regulations.

4. How hard is it to build an ADU in Sunnyvale?

While ADU projects involve multiple stages, including design and permitting, we handle all details, making the process as simple and efficient as possible.

5. How long does building an ADU in Sunnyvale take?

Building an ADU in Sunnyvale generally takes between 6 and 10 months, depending on the complexity of the design and permitting process. An experienced ADU builder familiar with Sunnyvale’s codes can help keep your project on schedule.

6. What types of ADUs can I build in Sunnyvale?

Sunnyvale allows a range of ADU types, including detached ADUs, attached ADUs, garage conversions, and junior ADUs (JADUs). Detached ADUs are ideal for complete privacy, while garage conversions and junior ADUs can be more budget-conscious solutions.

7. Are permits needed for ADUs in Sunnyvale?

Yes, permits are required to ensure the ADU complies with Sunnyvale’s zoning, building, and safety standards. Working with a skilled local builder can help simplify this process, as they’ll know the ins and outs of Sunnyvale’s requirements.

8. Is it possible to rent my ADU in Sunnyvale?

Absolutely, ADU rentals are permitted in Sunnyvale and are a great way to generate income in this highly sought-after area. Be sure to review rental guidelines with your builder or local authority to remain compliant with current regulations.

9. What are the benefits of building an ADU in Sunnyvale?

Sunnyvale’s strong demand for housing, especially given its proximity to tech companies, makes ADUs an attractive addition for homeowners. ADUs here can provide rental income, extra space for family, or simply increase the property’s versatility and value in the competitive local market.

10. Are there any special regulations for ADUs in Sunnyvale?

Sunnyvale’s design guidelines for ADUs focus on maintaining neighborhood harmony and meeting zoning standards. A local builder with experience in Sunnyvale will ensure your ADU complements the surrounding area and complies with city codes.

Your Local Custom ADU Builder in Sunnyvale, CA

imagine unique remodels team

20+ Years Experience

Delivering craftmanship with over two decades of industry expertise.

Complete Team of Experts

Guiding you in every step by our trained & certified professionals.

Family-Owned & Operated

Treating every project with care as if it were our own home.

Premium & Luxury Quality

Partnering with top-tier suppliers for premium quality.

Licensed & Fully Insured

Letting you rest easy with the security and peace of mind.

5-Star Reviews

Bringing your visions to life with commitment and excellence.

Imagine Unique Remodels is a family-owned and operated, local one-stop shop specializing in custom ADU builds throughout Sunnyvale. With over 20 years of experience in the construction industry and 5 years in building ADUs, we understand the local requirements and complexities involved, from initial planning and permits to construction and final touches.

Our complete team of experts has successfully transformed underutilized spaces into functional accessory dwelling units that kept families closer together while enjoying the benefits of privacy and independence.

As the only Sunnyvale ADU company that provides a 3-year service warranty on top of a 10-year structural warranty, we are committed to delivering a seamless, stress-free experience.

At Imagine Unique Remodels, we bring your vision to life with expertise and workmanship you can trust, providing expert support and guidance from start to finish.

Have Peace of Mind with our Three (3) Years Project Warranty!

Plus, enjoy a complimentary annual inspection for three (3) years on top of the 10-year warranty on structural components.

warranty for home remodeling project




About Sunnyvale, CA

Sunnyvale, a pivotal city in Silicon Valley, is renowned for its historic Murphy Avenue. This vibrant downtown strip not only serves as a central hub for dining, shopping, and entertainment but also hosts a variety of seasonal events that celebrate the community’s diverse culture, including farmers' markets, summer music series, and art festivals. Murphy Avenue's unique blend of historic charm and contemporary living embodies Sunnyvale’s dynamic spirit, making it a beloved gathering place for locals and visitors alike.

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