ADU's & AdditionsSKS Construction

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What is an ADU?

Accessory Dwelling Units (ADU) have been known by many names: granny flats, in-law units, backyard cottages, secondary units and more. No matter what you call them, ADUs are an innovative, affordable, effective option for adding much-needed housing in California. Enhance your property's potential by adding an Accessory Dwelling Unit (ADU). Whether you're looking to create a rental space for additional passive income, added living space, an in-law suite, or a private home office, our team at SKS Construction is here to bring your vision to life. Our ADUs are designed not only to meet your functional needs but also to seamlessly blend with the existing architecture of your home.

What are the benefits of ADU's?

  • ADUs are an affordable type of home to construct in California because they do not require paying for land, major new infrastructure, structured parking, or elevators.
  • ADUs can provide a source of income for homeowners.
  • ADUs are built with cost-effective wood frame construction, which is significantly less costly than homes in new multifamily infill buildings.
  • ADUs allow extended families to be near one another while maintaining privacy.
  • ADUs can provide as much living space as many newly-built apartments and condominiums, and they’re suited well for couples, small families, friends, young people, and seniors.
  • ADUs give homeowners the flexibility to share independent living areas with family members and others, allowing seniors to age in place as they require more care.

What are the options for ADU's?

Single Family Dwellings

Attached ADU: This type of ADU is connected to the main house, such as a converted garage or basement. Attached ADUs can be more cost-effective as they may share utilities with the main house.

Detached ADU: These are standalone structures built on the same lot as the main house. Detached ADUs can offer more privacy and flexibility in design compared to attached units.

Conversion ADU: This involves converting existing space within the main house, such as a garage, basement, or attic, into a separate living unit. This option can be relatively cost-effective compared to building a new structure.

New Construction ADU: Building a completely new structure on the property to serve as an ADU. This option provides maximum flexibility in design but may be more costly and require more space.

Junior ADU (JADU): Also known as an "in-law unit" or "granny flat," a JADU is a smaller unit that is created within the footprint of an existing single-family home. JADUs have specific size limitations and must have an exterior entrance separate from the main entrance of the primary dwelling.

Garage Conversion: Converting an existing garage into an ADU. This is a popular option for adding living space while making use of underutilized structures.

Basement Conversion: Similar to a garage conversion, but involving converting a basement into an ADU. This can be a cost-effective way to add living space, especially if the basement is already partially finished.

Multi-Family Apartment Buildings

Conversion of Existing Areas: Existing Areas within the apartment building can be converted into ADUs. This might involve converting storage areas, unused common spaces, or even existing parking spaces into separate living spaces.

Creation of New ADUs Within the Building: New ADUs can be created within the existing structure of the apartment building. This might involve repurposing underutilized areas such as basements, attics, or unused portions of the building.

Detached Accessory Dwelling Units: In some cases, additional ADUs can be built as separate structures on the property of the apartment building. This could involve constructing new units in the building's parking lot or other available spaces.

Contact SKS Construction Today to see what options are available on your property for ADUs!

Free Feasibility Study & Proposal

We welcome the opportunity to visit your project site and provide you with a free assessment, engineering analysis and proposal for a design-build package.


Our team of licensed engineers provide value engineering during the design phase up to securing permit and during the course of construction.


Upon securing building permit, SKS will construct the project per approved plans all the way through approval by the city.


A Little About Us

SKS Construction is a full-service design, engineering and construction company founded in 1987 in the City of Los Angeles, California by Sol K Shaolian (MS PE). SKS Construction is recognized as a leader in engineering and construction of Seismic Retrofitting and Foundation Repairs. The SKS team is comprised of in-house engineers (including two of Sol’s own sons), licensed contractors, and experienced around the clock/full-time crews to attend to your every engineering and construction need.

Although SKS Construction has its specialty in seismic retrofitting, over the years they have been able to mold to the demands of the construction market. Design-build jobs for loyal clients from hillside projects, new construction, and even developments in growing cities.
  • "Amazing and quick!"

    ⭐⭐⭐⭐⭐ — FRANK
    On behalf of Parkford Properties we want to commend SKS Construction for the exceptional work they did in our construction project. We further acknowledge their professionalism, knowledge, skill and efficiency in getting the work done.
  • "They really are the best."

    ⭐⭐⭐⭐⭐ — MARTIN
    Thank you so much for your professionalism, knowledge, and efficiency in regard to this large soft-story project. From start to finish, SKS kept Louise and I updated on a daily basis. We could not have asked for better people to accomplish such a large project.
  • "5 stars!'

    ⭐⭐⭐⭐⭐ — MARK
    I have used SKS Construction on multiple projects as structural engineers and General Contractors. They are usually the lowest priced responsible bidder and always competitive. Their work is detailed, thorough and excellent quality. They work well with building managers, tenants and city departments. They communicate well with me throughout the projects. I highly recommend SKS Construction.
  • "Couldn't be happier"

    ⭐⭐⭐⭐⭐ — CATHY
    I have been in real estate for the past 22 years. I have used SKS Construction for my own home and for my families' commercial properties. They have been so amazing that I refer them to my clients without hesitation. The team's engineering background has always added an incredible value to the work they do. True professionals and experts with great attention to details. They will meet beyond your needs and expectations. Five star for sure!!


All of us at SKS CONSTRUCTION are dedicated to the art as well as the science of engineering. Our promise is to maintain the aesthetic as well as the structural integrity of each building we retrofit, while saving our clients time and money.

We are committed to always combining the latest tools that technology has to offer with the very highest level of personal service — service that recognizes and respects each client’s unique needs.
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