Southern California's Expert Custom ADU Builder
We specialize in building high-quality ADUs, offering in-house design, engineering, and premium finishes—supported by 34 years of experience in residential construction. From modular guest houses, backyard bungalows, rental-ready units, and spacious lofts to smart living units, we don’t just add square footage—we create new possibilities for how you live. For every client, an ADU is more than an addition—it’s a gateway to the flexibility, comfort, and value you’ve always wanted.
Mr. Adam Lopez, President/Founder of IE General Builders Inc. has been in the construction trades since 1985. His experience and respected reputation in the industry provides seasoned leadership for a strong future in an industry that requires unparalleled service.
With more than 40 years of construction experience, Adam’s expertise in document review, estimating, value engineering, and constructability analysis makes him a integral partner to developers — ensuring that every homeowner, and business owner feels fully supported throughout the process.
The amount of repeat and referral business obtained by IE General Builders Inc. is a testament of the strong client relationships developed by Adam and his teams.
We have successfully been in business since 1992 and we have well over 100 expert employees with extensive construction experience and training, emphasizing safety and customer satisfaction.
Our Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our customer’s needs, by going the extra mile, especially when it comes to meeting those critical deadlines.
