The ADU Company

504 East Navilla Place, 91723, Covina, CA

The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.

The ADU Company, Covina, CA

About The ADU Company

Expert ADU Builders Serving Los Angeles and Beyond

The ADU Company is a full-service ADU contractor based in Covina, CA, serving clients throughout the greater Los Angeles area. Specializing in designing, planning, and building accessory dwelling units, they offer a comprehensive range of construction services from initial concept through to project completion. Their team of skilled professionals works closely with each client to understand their unique needs and deliver results that exceed expectations.

As a licensed construction company (CSLB License #1118354), The ADU Company brings professionalism, attention to detail, and a commitment to quality to every project they undertake — whether residential or commercial.

Understanding Accessory Dwelling Units

Accessory Dwelling Units (ADUs) are an increasingly popular and effective solution to California's housing needs. There are several forms an ADU can take, and The ADU Company helps clients navigate all available options:

  1. Garage conversion: One of the most cost-effective approaches, converting an existing garage into a livable space is a smart way to take advantage of California's ADU-friendly laws.
  2. Detached ADU: A brand-new structure built from the ground up on the same lot as the primary residence.
  3. Attached ADU: An addition connected to the existing home.
  4. Above-garage ADU: Building a second-floor unit over an existing garage structure.
  5. Junior ADU (JADU): A smaller unit built within the existing footprint of a home, which can be added to the same lot as a standard ADU — effectively converting a single-family residence into a three-unit property.

It's worth noting that ADU regulations, restrictions, and opportunities vary from city to city throughout California. The ADU Company helps clients understand the pros and cons of each option based on their specific budget, goals, and local requirements. They also offer services in Spanish — Hablamos Español.

A Full Range of Construction Services

Beyond their expertise as an accessory dwelling unit builder, The ADU Company operates as a complete, full-service construction company. Their capabilities span a wide variety of residential and commercial construction needs, including:

  1. ADU Design & Build
  2. Plans & Permitting
  3. Home Additions
  4. Remodels and Renovations
  5. Roofing
  6. Framing
  7. Electrical
  8. Plumbing
  9. Kitchen Remodels
  10. Bathroom Remodels
  11. General Contracting

Their design and planning service helps clients visualize their project before construction begins, ensuring the final design aligns with both their vision and their budget. Their general contracting service coordinates all parties involved in a project, ensuring smooth and efficient execution from start to finish.

The ADU Company is dedicated to building quality structures, ensuring customer satisfaction, and enhancing the communities they serve. Whether someone is looking for a granny flat builder, a JADU contractor, or a trusted partner for a full home remodel, The ADU Company brings the experience and commitment needed to get the job done right.

Services

The ADU Company performs the following services

  • Architecture & Design
  • Permit Specialist
  • Construction

The ADU Company Reviews

Patricia Dorsey

2025-08-11
"The ADU Company put in wood laminate floors in my home as well as a new shower in a bathroom. From start to finish everything was done to our expectations. Walter and the team he had working on the jobs were very knowledgeable, thorough, and detailed. Walter reviews all work completed and communicated concerns, suggestions and time estimates as the jobs are being in progress. I truly appreciated the professionalism and quality of the work. We have received many "wow" comments from family and friends!"

Nancy Duran

2025-05-20
"Walter was highly recommended from an entrusted friend as my family and I dealt with a legal issue with our house purchase. ADU company helped retrofit the roof of the house and agreed to be paid through escrow as the sale finalized. Im glad our roof passed inspection, we got the credit on that and have ADU company as a POC for any future repairs needed."

Joyce Wang Morales

2025-04-08
"Walter and his team are phenomenal. From start to finish, they were professional, punctual, detail-oriented, and true partners in all aspects. We are so happy with our beautiful and built-with-love ADU. We would 100 work with them again on future projects and recommend them wholeheartedly. Thank you, Walter and team!"

Fortino Reyes

2024-04-11
"The ADU Company remodeled our kitchen. They are awesome. Very reliable and affordable. The best part, their attention to detail is amazing. We use them for all of our projects"

Mirna Dane

2024-04-04
"The ADU Company recently remodeled my bathroom. Thanks to them, we have a new restroom that we enjoy. They were able to complete the job in the expected time frame. It was wonderful working with them because they kept us in the loop for the duration of the project."

Specifics

Licensed

Opening hours

Monday 8:00AM - 5:00PM
Tuesday 8:00AM - 5:00PM
Wednesday 8:00AM - 5:00PM
Thursday 8:00AM - 5:00PM
Friday 8:00AM - 5:00PM
Saturday 8:00AM - 5:00PM
Sunday -

Location

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