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*The Angi rating for Excavation companies in Johnstonville, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

*The HomeAdvisor rating for Excavation companies in Johnstonville, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

Last update on June 02, 2026

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Yee Landscape Construction
New to Angi
Landscape - Minor Grading or Resloping

Serving Johnstonville, CA and surrounding areas

In business since 2001

Yee Landscape Construction specializes in all aspects and phases of landscaping and irrigation services. We have over 20 years of combined construction experience serving hundreds of satisfied customers. We offer integrity, quality, and on time services with every project that we take on. Call us today for more information on all of our services.

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Excavating questions, answered by experts

Downspouts should be buried at least 5 to 10 feet away from your foundation. This can vary depending on your local building codes, soil type, and property slope. The main goal is to ensure water is directed away from your foundation.

A crawl space can be as little as 42 inches below the grade of your house, but this is not always recommended in flood-prone areas. At a minimum, there must be at least 16 inches of clearance between the ground and the floor joists to access the space in an emergency.

In the United States, a depth of 36 inches (three feet) for underground water lines is the accepted industry standard. This depth varies from location to location based on local conditions. In areas with colder winters, they may be buried deeper to prevent frozen well water pipes : This is usually at least six inches below the frost level. The International Plumbing Code calls for a minimum of 12 inches below grade.

Because decomposed granite is a durable material, a crushed rock or gravel base is optional as long as the DG is properly installed and compacted. However, installing a base is a good idea because it will ensure proper drainage and stability and act as a weed suppressant (although you may still occasionally have to pull weeds). Installing an adequate base can also increase the durability of driveways and walkways. If you forego the paver base or gravel underneath, line the area with landscaping fabric to avoid weeds.

Depending on the severity of the freeze and the method used, thawing frozen underground pipes can take anywhere from 30 minutes to several hours. Applying heat directly to the pipe using heat tape, infrared lamps, or hot water jetting can speed up the process. However, patience and careful monitoring are key to avoiding pipe damage.

The Johnstonville, CA homeowners’ guide to excavation services

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