Detached ADUs (new construction)
Licensed & Insured in San Diego
Provide Legal Living Spaces for Renters or Family
ADU Design & Construction in San Diego County
Schedule Free ConsultationADU Construction Company Serving San Diego
Build an Accessory Dwelling Unit (ADU) to maximize your property's potential. Licensed ADU specialists with expertise in San Diego regulations.
Types of ADUs We Build in San Diego
From garage conversions to custom detached units, we build all types of ADUs
Custom JADU Design & Construction Services
Ready to Earn Extra Income By Renting?
A common goal of clients who choose to build an ADU is to earn more income by renting out the space to a friend, family, or associate who needs an affordable but respectable space to live. With rental income the cost of the garage renovation to living space ADU can be recovered fairly quickly.
Questions? Call (619) 452-9829
What San Diego Homeowners Are Saying...
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Mercury Builders recently completed our comprehensive landscaping for our brand new home at North River Farms in Oceanside. We could not be more pleased. When you move into these otherwise nice homes the yards are mud fields with puddles. The landscaping job requires very careful attention to drainage and we even added a small retaining wall. We had many estimates -...Read More »a month ago C Cutter
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Mercury builders was great and very professional. I got a recommendation from a friend and couldn’t be happier with the results. Tal is great to work with and got everything done within the said timeline. Plus he presented all options clearly. Would recommend mercury builders to anyone!8 months ago Liam K
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Mercury Builders did an outstanding job removing a sidewalk and driveway that had been lifted by tree roots. From start to finish, they were incredibly communicative, professional, and detail-oriented. The entire process was smooth, and they kept me informed every step of the way. The quality of their work exceeded expectations, and the area looks fantastic now. I would absolutely hire...Read More »3 months ago Kellee Bryan
Ready to Build Your ADU?
Get expert guidance on ADU construction and a free consultation for your San Diego property.
Why Build an ADU in San Diego?
ADUs offer incredible flexibility & benefits for San Diego homeowners.
Rental Income
Possibly generate $1,000-$4,000+ monthly rental income with San Diego ADUs.
Permit Expertise
We handle all ADU permits and navigate San Diego's streamlined process.
Turnkey Construction
Complete ADU construction from design to move-in ready.
Start Your Project Today
Ready to transform your space?
Get in touch with our team for a free consultation & project estimate.
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