Custom ADUs in El Dorado Hills, CA
Get a custom accessory dwelling unit in Aptos, designed for modern living, built to fit your property and lifestyle.
4.9/5 rating from 56+ online reviews.
Thoughtfully Designed ADUs in El Dorado Hills
At Sidex, we build high-quality ADUs that feel intentional from day one. Every project is planned around your property layout, architectural style, and long-term goals. Whether you want a detached backyard unit or a connected living addition, our team delivers practical spaces that look and feel like a natural extension of your home.
As experienced ADU contractors El Dorado Hills, we manage the full process including planning, permits, design coordination, and construction. From modern layouts to traditional California-inspired designs, we create living spaces that blend comfort, efficiency, and craftsmanship.
If you’re searching for trusted ADU builders El Dorado Hills, Sidex builds spaces designed for practical use.
Complete ADU Services in El Dorado Hills
Detached ADUs
Attached ADUs
Granny Flats
Backyard Cottages
In-Law Suites
Garage Conversions
Prefab ADUs
Complete ADU Services in El Dorado Hills
Detached ADUs
Attached ADUs
Granny Flats
Backyard Cottages
In-Law Suites
Garage Conversions
Prefab ADUs
Complete ADU Services in El Dorado Hills
Detached
ADUs
Attached
ADUs
Granny
Flats
Backyard Cottages
In-Law
Suites
Garage Conversions
Prefab ADUs
Structural Excellence & Outdoor Integration in El Dorado Hills
See how we transform properties in El Dorado Hills and the Sacramento Region with precision, seamless integration, and thoughtfully designed outdoor living spaces.
Trustindex verifies that the original source of the review is Google.
Elizabeth Neilsen2024-07-15We needed some deck repairs and had Sidex out to give us a bid and suggestions. Best choice ever. They spent time to evaluate necessary repairs and gave us estimates. Contracted for the work. Workers were great. Very efficient and tidy. So happy with the results. Thank you Sidex. ❤️Trustindex verifies that the original source of the review is Google.Sruthi gn2024-06-15Thank you Sidex for an excellent work. They built our 12x12 deck in one day. Such a great team. We enjoyed the work .Trustindex verifies that the original source of the review is Google.Joshua K2024-06-02I recently had my dock replaced by Sidex Siding and Decking, and we couldn't be happier with how it turned out! I reached out to Andrey, and he and his team did an amazing job from start to finish. They listened to our vision for the dock, sourced high-quality materials, and maintained excellent communication throughout the process. The entire project was completed within a week, and the workmanship is outstanding. We are thrilled with how it turned out and would highly recommend Sidex Siding and Decking to anyone. Thank you, Andrey and team, for your exceptional work!Trustindex verifies that the original source of the review is Google.Rand Martin2024-05-16Excellent and meticulous work.Trustindex verifies that the original source of the review is Google.Barry Cohen2024-05-14Andrey and his team repaired a fence for me recently and I could not be happier with the work. I know he went out of his way to keep on schedule to do that work on the day upon which we agreed even though it was inconvenient for him. The team arrived on time, did the work efficiently and I believe for a reasonable price. The end product, the repair, was excellent. I would use this company again.Trustindex verifies that the original source of the review is Google.Nicole2024-05-13I am ???? grateful for this wheelchair ramp. They worked so hard to get it done in one day, so I could take my brother to the doctor by myself without using medical transportation. This is the first company that heard my needs and made it happen. I recommend Andrey! They are gentle, kind, and professional. Outstanding!Trustindex verifies that the original source of the review is Google.Elisey Borisov2024-05-09Thank you Sidex. Great team, easy to work with. Customer service was outstanding, answered all of my questions quickly, made me feel comfortable throughout all stages of the process. Great job guys, with new windows and siding my house looks brand new!Trustindex verifies that the original source of the review is Google.Any Way Moving2024-05-09I recently had the pleasure of hiring Sidex for siding installation on my home, and I couldn't be more impressed with the results. From start to finish, the entire process was seamless and professional. Firstly, the team at Sidex demonstrated excellent communication skills, promptly addressing all my inquiries and concerns. They provided a detailed quote outlining the scope of work and timeline for completion, which was very helpful in setting expectations. When it came to the installation itself, the craftsmanship exhibited by the crew was outstanding. They worked diligently, paying close attention to detail to ensure a flawless finish. The siding not only looks beautiful but also feels sturdy and durable, providing added protection to my home. Moreover, the project was completed within the agreed-upon timeframe, without any delays or unexpected issues. The crew was respectful of my property, keeping the work area clean and tidy throughout the process. Overall, I am beyond satisfied with the quality of work delivered by Sidex. Their expertise, professionalism, and attention to detail have truly transformed the exterior of my home. I would highly recommend their services to anyone in need of siding installation or any other home improvement projects.Trustindex verifies that the original source of the review is Google.Ariel Hernandez2024-05-09Absolutely killed it! From our first interaction, and up to the final moments of the project they showed true professionalism and good quality work with a smile on their face! I couldn’t recommend a better company, thank you!Trustindex verifies that the original source of the review is Google.Angel Solis2024-05-09Trusted company. Whatever your needs maybe be, regarding siding and decking, be sure that you can you trust Sidex.
FAQs About ADUs in El Dorado Hills
What is an ADU?
An ADU, or accessory dwelling unit, is a secondary residential space built on the same property as a primary home.
Can I build an ADU in El Dorado Hills?
Yes. Many homeowners in El Dorado Hills build ADUs for family housing, guest accommodations, home offices, or rental income.
Do you handle permits for ADU projects?
Yes. Our team assists with planning, permit coordination, design support, and construction management throughout the project.
What types of ADUs do you build?
We build detached ADUs, attached ADUs, garage conversions, prefab ADUs, granny flats, and backyard cottages.
Will an ADU increase my property value?
A professionally designed ADU can improve usability, flexibility, and long-term resale value for many California properties.
How long does ADU construction take?
Project timelines vary depending on size, permitting, and design complexity, but we provide a clear schedule before construction begins.