Get matched with top excavation pros in Saint Helena, CA

Q: How deep are sewer lines buried?

• <div><p>This depends on your location. Sewer lines can be buried anywhere from 18 inches to 8 feet deep. People in colder climates will have deeper sewer lines than people in warmer climates due to the dangers of the frost line and freezing pipes. Permits are required for all aspects of septic system installation, so the city should have the building plans for your system, which will tell you how deep your lines are. </p></div>

Q: Are underground downspouts worth it?

• <div><p>Underground downspouts refer to the sections of downspout extensions that lead away from your home and gutter system. While they cost more than traditional extensions, they can provide several benefits, such as less frequent damage and no need to move them for lawn care tasks. Whether they're worth it or not depends on your budget at installation time and how much convenience they'll add to your situation. </p></div>

Q: How long does it take for ground to settle after tree removal?

• <div><p>It can take several weeks for the ground to settle after removing a tree, and the soil under larger, more mature trees can take months. The deeper the tree has been ground under the soil, the longer it will take to settle. However, this extra depth can help you plant new landscaping sooner because you&rsquo;ll have more space for fresh soil.</p></div>

Q: How deep can you dig with a trencher?

• <div><p>The digging depth will depend on the size of the trencher you use. Even smaller units can dig up to 4 feet deep, which is plenty for a DIY job. However, much larger trenchers can reach a depth of 18 feet and are better used by a team of pro contractors, not a single DIYer. As with all home improvement projects, use the right tool for the job and proceed with caution.</p></div>

Q: How do you locate an underground downspout?

• <div><p>To locate an underground downspout, you should start by identifying where the above ground gutter drains. Look for an entry point, such as a pipe or elbow leading into the ground. Follow the surface path for signs like depressions, landscaping disruptions, or wet areas after rain. You can use a metal detector or plumber&rsquo;s snake to trace the pipe underground. For deeper pipes, a professional locator tool or camera inspection may be necessary. Visual markers or utility maps can also guide the search.</p></div>

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Verified Reviews for Excavation pros in Saint Helena, CA

*The Angi rating for Excavation companies in Saint Helena, 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 Saint Helena, 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 January 04, 2026

Reviewed in January 2025
The Best and fastest re-roof team I have ever used or seen!
First Division Roofing, Inc.
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Reviewed in July 2024
Hiring Steve was the best decision we ever made for our project at our house. His understanding and experienced carpentry skills made the design fit and finish really came out exceptional. His creativity along with communication made it easy to work with, and I would definitely hire him again
New Moon Millworks
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Reviewed in February 2024
Excellent customer service, professional, and fast!
HARD WIRE ELECTRICAL
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Reviewed in July 2023
Everything went great. David was very knowledgeable and helpful. I will never use anyone else for my electrical needs.
Espy's Electrical Services
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Reviewed in May 2023
This company is absolutely amazing. I hired them to do all of my windows inside outside and screens including all wooden blinds throughout my entire house. I also had them do the kitchen cabinets. They are phenomenal. My house looks and smells so clean. I would definitely recommend this company...
Betty's Fresh Cleaning
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Reviewed in August 2022
Moved to NC from the AZ desert and didn't know the first thing about how to keep grass alive and weeds away, had neither at the old place. Most of my neighbors use Turf Wizards, so I tried them out. My yard went from a dump to a beautiful green carpet. I'll add one thing. Recently, I had a...
Turf Wizards
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Reviewed in June 2021
Very positive experience. Clint is very easy to speak with and made a point of keeping us informed during the project. We had to replace our septic tank and they also built a new leach line. All the men who worked on the project were very respectful. Our original quote was honored and the work...
Clint Pridmore Construction, LLC
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Reviewed in April 2021
Randy was very easy to talk to and made sure that all my concerns were addressed. He even pointed out some other deficiencies and asked if I wanted him to take care of them. He was very patient and easy to talk to. Thank you Randy.
RJL, Inc. DBA RL Millwork and Finish Carpentry
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Reviewed in April 2021
Very friendly and quick to respond.
Don Williams Landscape and Tree Service
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