Foundation Repair

We’ve compiled several articles about foundation repair and similar services.

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San Rafael’s diverse terrain, ranging from waterfront flats to rolling hills, creates a variety of foundation challenges for homeowners. In the flatlands, homes built on soft bay fill or expansive soils are prone to settling and soil movement, leading to foundation cracks and structural instability. In hillside areas, soil erosion and slope movement can further impact foundation health, necessitating professional repairs and leveling.

Seismic risks are also a concern in San Rafael due to its proximity to the San Andreas Fault. Earthquakes in the area can cause significant ground shaking and soil liquefaction, particularly in neighborhoods with soft soils. Older homes that lack modern seismic reinforcements are especially vulnerable. Seismic retrofitting—such as foundation bolting, cripple wall bracing, and shear wall installation—is essential to safeguard these homes during seismic events.

Drainage issues are common in San Rafael, particularly during heavy rains when water runoff can lead to soil erosion and hydrostatic pressure against foundation walls. Without proper drainage systems, homes are at risk of leaks, cracks, and long-term moisture damage. Installing solutions like French drains, sump pumps, and retaining walls helps manage water flow and protects San Rafael homes from foundation problems caused by water intrusion.

Drainage With Sump

drainage, estimates, french drain

Drainage Ward Construction is a leading expert in correcting drainage issues in the Bay Area. If you have any drainage concerns, call us for an opinion about how to best correct it. Fixing your drainage issues will remove moisture from your crawl spaces, dry out...

Drainage Pleasanton Example

catch basin, drainage, french drain, grading, patio

Here's an example of a drainage project in Pleasanton We will construct a drainage system along the entire left and rear sides, and a 14 feet long portion of the front of the residence. The system will be comprised of 2 legs, each discharging into a sump located near...

Excavation – Retaining Wall Example

excavation, retaining wall

Retaining Walls sometimes need to be straightened. Here's an example work description: We will excavate behind a 6 lineal feet section of the right side retaining wall adjacent the right rear corner of your home. We will then cut the lagging behind the 2 posts and...

Excavation for catch basin connection

bulkhead, catch basin, drainage, driveway, excavation, garage foundation, pavers

Catch Basins are sometimes necessary, and drainage may need to connect to a catch basin, for example: We will excavate a triangular area from the front of the garage back to the driveway catch basin to expose the existing 12-inch discharge pipe. We will then remove...

Drainage System With Sump

drainage, drainage pipe, estimates, slump

Many drainage systems require a sump pump: We will construct a drainage system along a 26 feet long portion of the front, the entire left side, and the rear side up to the left rear corner of the solarium. The system will be comprised of 2 legs, each discharging into...

Slab Replacement

concrete slab, excavation, patio, retaining wall

Concrete Slab Replacement Example: We will remove the lower rear wood retaining wall and concrete hot tub slab and wall, excavate approximately 7 feet back from the lower lawn and patio area, and construct a keystone wall approximately 84 feet long and 3 feet high to...

Sump Pump Installation Example

drainage, drainage pipe, grading, slump

Here's an example of a sump pump installation with drainage system: We will construct a drainage system along a 26 feet long portion of the front, the entire left side, and the rear side up to the left rear corner of the solarium. The system will be comprised of 2...

Deck Replacement

deck replacement, drainage, floor leveling, grading, survey

Drainage jobs sometimes involve deck replacement too: We will construct a drainage system along the entire rear side of your home. The system will be deeper then the adjacent sub-area grade. We will connect to the existing system near the left rear corner. We will...

Replace Rotted Deck

deck replacement, drainage, estimates, excavation, french drain, grading

Poor drainage rots decks. Here's the fix: We will construct a drainage system along the entire rear side of your home. The drainage system consists of two pipes in a rock filled trench. One is perforated, to collect sub-surface water and the other is non-perforated,...

Lift Floors

catch basin, drainage, drainage pipe, floor leveling, slump

Thank you for the opportunity to provide you the following estimate for work at your home. Per the enclosed elevations, we will lift the interior floors off of existing post jacks to bring them into a flatter plane. We will construct a drainage system along the front,...

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