Coronado Construction builds Accessory Dwelling Units (ADUs) in San Diego, CA. From garage conversions to detached units, their ADUs boost property value, generate rental income, and offer flexible living using quality, energy-efficient materials.

Coronado Construction – ADU Contractor in San Diego, CA

About Coronado Construction

Accessory Dwelling Units by Coronado Construction

With housing demand continuing to rise across California, Coronado Construction focuses on building Accessory Dwelling Units (ADUs) as practical and affordable living solutions. Also referred to as granny flats, in-law suites, or backyard cottages, ADUs are secondary residential units built on the same property as the primary home.

ADUs can take several forms depending on the property and the homeowner's needs. These include detached units, attached extensions, and garage conversions. In terms of size and layout, options range from compact studio units to larger multi-bedroom configurations.

Benefits of Adding an ADU to Your Property

There are several practical reasons homeowners in San Diego consider building an ADU:

  1. Increased Property Value: A well-designed ADU can contribute to the overall value of a property.
  2. Rental Income Potential: Homeowners may choose to rent out the unit to generate additional income.
  3. Flexible Living Arrangements: ADUs can serve as housing for family members, guests, or caregivers.
  4. Affordable Housing: ADUs provide a cost-effective housing option within established communities.
  5. Optimized Land Use: They allow homeowners to make better use of available space on their property.

ADU Construction Services in San Diego, CA

Coronado Construction works with clients to design ADUs that reflect their specific requirements and preferences. Their approach involves collaboration throughout the process to ensure the finished unit is both functional and visually consistent with the existing property.

The company places emphasis on using quality materials and incorporating energy-efficient features and eco-friendly building practices where applicable. This focus on sustainable construction is intended to provide long-term value and reduce ongoing costs for the homeowner.

Whether the goal is to accommodate a growing household, house a relative, or create a rentable casita or backyard cottage, Coronado Construction offers ADU building services tailored to a range of needs and budgets in the San Diego area.

Services

Coronado Construction performs the following services

  • Architecture & Design
  • Construction

Coronado Construction Reviews

Ben Mans

2025-06-02
"I own an old home in North Park with Craftsman features. I wanted to extend my home by adding a bathroom and sunroom. I knew Coronado Construction had completed many jobs in the area and I wanted someone who would keep the integrity of the craftsman style. Sergio did not disappoint, the addition matches the rest of the home. His attention to detail regarding craftsman homes and my many request to make look like it had been built the same year as the original house came to fruition. Sergios professionalism, communication, quality of work, and timeliness was outstanding. The entire process was seamless and professional. Sergio was always responsive to my questions and kept me informed every step of the way. The work was done with precision and attention to detail, and the house addition exceeded my expectations. I highly recommend Coronado Construction to anyone looking for a reliable and skilled construction."

Laura Holzinger

2025-05-06
"Id give six stars if I could Building a house can be daunting and overwhelming. Sergio Coronado helped make the whole process so much easier. We met a few times before we started the project to talk about how important open and clear communication was for me. Like all projects, there were minor hiccups along the way and Sergio exceeded my expectations by communicating and resolving any concerns I had. The house is finished and beautiful thanks to Sergio and his team. If you want a team that you know you can trust. A team that does good work and communicates very well along the way. I highly recommend Coronado Construction. Thank you from the bottom of my heart for a job well done!!! Laura Holzinger So. Oceanside"

Mariah Banda

2025-01-29
"I couldnt be happier with my experience with Coronado Construction! Their attention to detail, craftsmanship, and professionalism truly set them apart. From start to finish, they made the remodeling process smooth and stress-free for me. The whole team ensured that every detail was perfect. Whether it was a custom home build for my family and I or a renovation for family members! Their expertise shines through in every project. Highly recommend them to anyone looking for top-quality construction work! Thank you so much Sergio for making my dreams a reality."

Linda Lopez

2024-12-23
"I hired Sergio Coronado to build me a shower. He did an excellent job. I show you the pictures what hes done for me and I am so pleased with his work. He was excellent worker Respectable honest in his price me being a senior he did an awesome job exactly what I wanted. Thank you Sergio Coronado. If I need you, I will hire you again no problem. You got my next project thank you very much Linda Lopez"

Truthful 24

2024-12-18
"Seigo helped us on the Two adu construction in Rancho Pensquito San Diego in 2023, he has been very transparent with pricing. Stick to the time line, while providing top notch construction!!! 100 recommend him to anyone"

Specifics

Eco-Friendly

Opening hours

Monday open 24h
Tuesday open 24h
Wednesday open 24h
Thursday open 24h
Friday open 24h
Saturday open 24h
Sunday open 24h

Location

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