Welcome to CBI - Basements, specialists in customizable ground-breaking basement conversions and waterproofing. As basement conversion specialists we offer you a complete design and build package.
We specialize in 100% home improvement projects and we can draw up designs for your perfect new basement space then bring them stunningly to life. Bring us your plans or choose a design from one of ours! California Builders offers free design and engineering services on any one of our projects. Our service quality is ensured and backed by a full one-year warranty with any construction we are employed to do. From small to big, cinemas, gyms or bowling alleys to spas, play rooms or swimming pools. All types of basement conversions allow to transform a house into a dream home; even if their dream is simply more space for the kids. Call us today at (301-299-7725 OR 703-533-1211) to get started! The next step is to take details of your proposed project and arrange a free, no obligation site survey of your home. |
Basement Extensions
Providing basements structures for new or old housing including piling, excavation, drainage, pumping systems and the reinforced concrete structure ready for your house to be built over
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The CBI Experience
Our wealth of 45 years worth of experience in remodeling, underpinning, temporary works and excavation within an existing property, allows us to provide a comprehensive package for your planned basement
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Full Project Management
With decades in creating extraordinary basement conversions, we can meet the most demanding and outlandish of client ideas, led by the best foreman and project manager
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