Additional Dwelling Unit Contractor in Paso Robles, CA


Welcome To Gannage Design & Construction – A Design + Build firm specializing in custom homes along the Central Coast of California.

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As a homeowner, you may find that you need more space for a variety of reasons. Whether you’ve recently had a baby, your mother-in-law has moved in, or you want to build a man cave, shed, or home office, Gannage Construction can help. We’re a professional home construction company with decades of experience building additional dwelling units. We’re dedicated to helping our clients create perfect home additions that satisfy their goals. 

 Gannage Construction knows that every house is different and every homeowner is unique. Therefore, we take the time to listen to you and develop a personalized plan that meets your needs. Whether you want to convert a barn or garage into a liveable space or build an entirely new ADU, finding an experienced team that understands the permitting and building process down to the T is critical. Doing so will help you to maximize your ROI and save a few significant headaches down the road.

 We understand that adding an additional dwelling unit can be daunting, so we work closely with our clients throughout the process to ensure they are happy with the final product and understand the entire process. We value your time and space, recognizing that although it is under Construction, we are guests in your home. If you are not satisfied, we are not satisfied. We want your house to be a home and understand that every element is significant. The minor details are never too small.

Why Trust A Master Builder With Your ADU Project?


  • We are reliable: At Gannage Construction, we take our commitments seriously. We will be there when we say we will be at your home at a specific time. We understand that your time is valuable, and we respect your schedule. We strive for perfection. Every project is completed to your expectation and our level of satisfaction. We leave jobs clean. Period. We protect your property and belongings.
  • We are experienced: We have been in the trade of building additional dwelling units since 2000 and have an A+ rating with the Better Business Bureau.
  • We are licensed: We are a licensed, bonded, and insured contractor, so you can rest assured that we will meet your project’s requirements.
  • We are dedicated: We believe in quality over quantity. Providing only the highest level of service is paramount to our success, so we only take on a select few projects each year to ensure we can provide a dedicated service that exceeds the experience our clients would receive from our competitors.

What Kind Of Additional Dwelling Units Do We Build?


Barn To ADU Conversion

A barn-to-ADU conversion is a great way to add additional living space to your home without sacrificing your entertaining outdoor area. We can convert your existing barn into a fully functional additional dwelling unit with a kitchen, bathroom, and bedroom.


Detached ADU

If you're looking for more privacy for your guests or an additional income stream, a detached ADU may be the perfect solution. We can build a detached additional dwelling unit on your property that is separate from your main home. That is an excellent option if you want to add a home office, mother-in-law suite, or guest house.


Garage To ADU Conversion

If you have an unused garage, we can convert it into an additional dwelling unit. Garage to ADU conversions is a great investment opportunity for those looking to add a short-term or long-term rental to their property. We can convert your garage into a fully functional living space with a kitchen, bathroom, and bedroom.

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Let Gannage Construction Build Your New Additional Dwelling Unit

Gannage Construction is the leading additional dwelling unit contractor in Paso Robles for building high-quality additional dwelling units, also known as ADUs. We’re a full-service construction company specializing in all aspects of residential Construction, from new homes and whole home remodels. We have extensive experience building ADUs and can help you with every step of the process, from obtaining the necessary permits to completing the Construction.

We’ll work with you to develop a custom design that meets your specific needs and budget so we can then build it to match your vision. So, if you are interested in adding an ADU to your property, don’t hesitate to contact us today to set up a consultation.



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1560 Santa Rita Rd. Templeton, CA 93465

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