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NAWSRC Certified
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 CA Contractor's License #444635 - NAWSRC Certified Structural Repair Specialist

 

 

 

 

 

Basement Additions and Dig-Out Services

Basement additions and remodeling are often complex projects, requiring a contractor experienced in both remodeling and structural work, such as Jim Gardner Construction - Structural Contractor. If the existing basement height is to be raised and the foundations are older, generally they will have to be replaced with modern reinforced concrete foundations along with a drainage system which will protect the new space. Often the mechanical, electrical, and plumbing systems have to be reworked or replaced because they are not appropriate for the new floor plan. A new mechanical room will be created to consolidate the furnace, water heater, and laundry in one location.

Basement Remodeling • Basement Digouts • Basement Additions • Basement Retaining Walls and Drainage •Basement Room Additions • Basement Renovation • Basement Repair

At Jim Gardner Construction - Structural Contractor we have the flexibility to approach your basement project from a variety of angles. We can do a basement dig-out to allow you to subcontract or do your own finish work while we do the foundations and drainage. Or we can do the entire project from start to finish, using our design-build process to help create a project that fits your budget. Regardless of the approach, we have the expertise to allow you to choose and execute the best plan for your specific needs.

Call Jim Gardner Construction at (510) 655-3409 for a Free and Timely Estimate

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Basement Conversions

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At this home in Piedmont, we supported the structure on two huge I-beams. Going in through the side of the driveway, we were able to use the Bobcat to do much of the excavation.

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We installed new steel-reinforced retaining walls, a perimeter drainage system, and a new slab creating 1300 square feet of useable space.


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Cribbing was used to support the steel-beams for the basement dig-out on a home in Berkeley.


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A partial basement with a 6' ceiling at this Piedmont home was
completely excavated to create a habitable 7'6" ceiling height.
New retaining walls were constructed around the perimeter.


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A new slab was poured. Interior walls were built, along with plywood for sheer strength. A drainage system 8'
below grade protects the
new space from
water infiltration.


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This three story apartment building in downtown Oakland had the original brick retaining walls in the basement and brick foundation in the crawls pace. We left the existing brick and installed new reinforced concrete retaining walls on the interior, saving the owner approximately $100,000 over the cost of the replacement.


Basement Additions, Basement Conversions Jim Gardner Construction Serving the communities of Alameda, Alamo, Albany, Berkeley, El Cerrito, Emeryville, Kensington, Piedmont, Oakland, San Leandro, Danville, Lafayette, Pleasant Hill, Walnut Creek

Foundation Repair, Earthquake Retrofit, House Settlement Problems, Stair Remodeling, Porch Remodeling, Seismic Retrofit, Termite Damage Repair, Dry Rot Repair, Garage Replacement, Basement Additions, Handyman Services, Home Remodeling