CSLB License # 1074808

Room Addition

Add Attached Structure To Your Existing
House or Building or build an Accessory Dwelling Unit (ADU)

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Room Addition

A room addition is a way to build extra living space by expending your structure for any purpose on the space you have in your property.
Build a new master bedroom, kitchen, living room addition, ADU or a backyard office. We are creating beautiful additions that reflects your vision while ensuring building code compliance with the project timeline and budget.

We at CaliBuilders have the knowledge, experience, and expertise to design, plan, and construct all types of room additions in Orange County and surrounding Los Angeles area with attention to small detail and diligent planning from start to finish.

Design, Permit, Finance & Build Your Room Addition Project – All Under One Roof.

Attached Addition To The House

Build a room attached to expand your existing home square footage and get the space you need. This type of addition usually involves changing the existing footprint of your home.

Garage Conversion

Utilizing your garage is the least expensive way to get the extra space you need as you already have the foundation, roof, and one or more walls in place.

Second Story

Typically added above the attached garage, a second-story addition is a vertical expansion and can be used for any purpose whether it’s build above the garage or other existing attached structure.

Interior Conversion

There is a multitude of ways you can build a room addition to your home without compromising the integrity of your original home design by converting the attic or underground.

To Way For Your Room Addition

Our room addition process is simple and ensures performance at the highest levels with phenomenal results. We carefully take care of each aspect of our relationship, from initial consultation until the final handshake and beyond.

Site Visit

We will visit your property to explore the possibility of the room addition you have been looking for. During this phase, we will sit down together with you to determine your needs, lifestyle, budget, aesthetic preferences and consult you with the best advice.



Once we understand the scope of your project, we will create floor plans for your proposed room addition that fully complement your space and requirements according to the local building codes.


Permit Expediting

We will submit the necessary documents on your behalf to city building department to help you secure the necessary approvals and permits and consult you with the best advice.


Choose CaliBuilders For Your ADU or Room Addition Project

A reliable and experienced contractor with a proven track record. We are fully licensed, bonded and insured.

From planning and designing to permitting, financing and construction, we work with you through each step of the way to make the entire process as simple and stress-free for you as possible.

No matter what type of room addition you want to build on your property, CaliBuilders is the best choice.

Reach out to us today at (949)345-1118 to discuss your dream room addition idea with our experts.

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Office Address

24891 Luton Street

Laguna Hills, CA 92653


CSLB License # 1074808

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