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Drainage Systems, Drainage Repairs, Reconstruction, or New Installation

If you have water in your crawlspace or basement, settlement issues in your home, cracks in interior walls, slabs, or your foundation you need a proper drainage system.

Contact Jim Gardner Construction – Structural Contractor.

Jim Gardner Construction - Structural Contractor can provide you with an expert consultation, a clear solution to your problem, and answers to all your drainage questions.

Drainage Repair • Drainage Design • Drainage Systems • Drainage Replacement • Reconstruction of Old or Improperly Designed Systems • New Drainage Systems • Foundation Waterproofing • French Drains • Downspout Drainage • Subdrains

Improper drainage can cause erosion under your home, leading to foundation settlement and damage, plus related structural problems such as cracking walls, sloping floors, and cosmetic damage. A substantial amount of the foundation replacements and related repairs occurring in older homes start with a drainage problem! A properly designed, professionally installed drainage system from
Jim Gardner Construction- Structural Contractor will not only keep the water out of your home, but it will help protect your foundation when we install a foundation waterproofing membrane system as part of the work. By protecting your foundation you may extend its lifespan (and save yourselves a lot of money).

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


drainage_1 drainage_2 drainage_3

Most older residences in this area have no perimeter drainage systems. We install dual drainage systems, consisting of a French drain (sub-drain) to collect subterranean water, and a surface drain to collect roof water from the downspouts.

All water is brought to the street either by gravity or through a sump pump if the slope is not sufficient. The sub drain often has to be quite deep to be effective - the drain in the center picture is approximately 6' deep.


drainage_4 drainage_5
We are often installing drainage systems and replacing foundations concurrently. At this residence in the Fruitvale district in Oakland, an improperly installed drainage system caused the north side of the home to settle. We did foundation work, repaired dry rot and stucco, and installed a new, more appropriate drainage system.

In this extreme circumstance, we needed to
excavate 11' below grade to protect some
very tall basement retaining walls which
were leaking by installing a French drain
(subdrain) in front of them.
Drainage 1-1685


Drainage Systems 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