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Understanding Your Home's Foundation: A Comprehensive Guide By Centrepoint Construction.

The foundation is one of the most critical parts of a home. It supports the structure, protecting it from environmental changes and ground movement. Centrepoint Construction GC Alon Idelson delve into the importance of the home foundation, the types of foundation, signs of potential problems, and how to maintain it.

What is a Home Foundation?

The foundation is the structural base that supports the weight of a home. It provides stability, keeping the house upright and preventing it from shifting due to soil changes, weather conditions, or seismic activity. The foundation also creates a barrier against moisture, insects, and changing temperatures. Depending on the structure, location, and soil type, different kinds of foundations are used.

Types of Home Foundations

There are two main types of home foundations most used in California: slab, raised foundation.

  • Slab Foundations: A slab foundation is a single layer of concrete, several inches thick, poured directly on a soil, gravel bed, plastic barrier and rebar. It's the simplest and most cost-effective foundation type, commonly used in California where the ground doesn't freeze and thaw.

  • Raised Foundations: These are built above the ground, usually about two feet. The space created (the crawl space) allows access to plumbing and electrical systems. Crawl space foundations are common in damp areas where raised foundations are necessary to prevent water damage like hill side areas. Driving around Southern California you would find a lot of the older homes built on raised foundation which was common in the 40’s, 50’s and 60’s.

Recognizing Foundation Problems

Early identification of foundation problems can save homeowners from costly repairs. Keep an eye out for the following signs:

  • Cracks: Cracks on walls, floors, and ceilings can be a sign of foundation problems. While small, hairline cracks are normal, large or expanding cracks may indicate a serious issue.

  • Door and Window Problems: Doors and windows that stick or fail to latch properly could signal foundation shifting.

  • Uneven Floors: Sloping or uneven floors can be a sign of foundation settlement or movement.

  • Moisture: An improperly sealed foundation can lead to moisture problems, including mold and mildew. Look for dampness or water pooling in crawl spaces and near slab foundation footing.

Foundation Maintenance

Regular maintenance can help prevent foundation problems or catch them early. Here are some steps you can take:

  • Drainage: Proper drainage is essential to prevent water from pooling around your foundation, which can cause erosion and pressure. Install gutters and downspouts to direct water away from the house and ensure the ground slopes away from the foundation.

  • Tree Planting: Large trees can cause foundation problems if planted too close to the house, as their roots can grow under the foundation, causing it to lift or move.

  • Regular Inspection: Regularly inspect your home for signs of foundation problems. Look for cracks, moisture issues, and changes in the levelness of your floors.

  • Professional Help: If you suspect a problem, call us to do a thorough foundation inspection. We can identify issues and recommend necessary repairs. Centrepoint Construction is FEMA trained and certified for seismic retrofits of One- and Two-Family Wood-Frame Dwellings.


The foundation of your home is critical to its stability and longevity. It's crucial to understand the type of foundation your home has, recognize signs of potential problems, and know how to maintain it properly. Regular inspections and addressing issues promptly can help preserve the foundation and, by extension, your home.

CentrePoint Construction is a general contracting company serving the Southern California region with over 15 years of experience. Serving Beverly Hills, Brentwood, Burbank, Calabasas, Calabasas Hills, Chatsworth, Culver City, Encino, Glendale, Granada Hills, Hermosa Beach, Hollywood, Los Angeles, West Los Angeles, Manhattan Beach, Marina Del Rey, North Hollywood, Northridge, Pacific Palisades, Palos Verdes Estates, Rancho Palos Verdes, Redondo Beach, Reseda, Rolling Hills, Rolling Hills Estates, San Fernando Valley, San Pedro, Santa Monica, Sherman Oaks, Pasadena, Studio City, Tarzana, Toluca Lake, Topanga, Universal City, Valencia, Van Nuys, Venice, West Hills, West Hollywood, West Los Angeles, Toluca Lake, Westlake Village, Westwood and Woodland Hills.

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