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TRUSTED BY KEAAU, HI HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon18
    Verified excavation services reviews

Verified Reviews for Excavation pros in Keaau, HI

*The Angi rating for Excavation companies in Keaau, HI 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 Keaau, HI 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 05, 2025

Find Excavation pros in Keaau

Arborist Services LLC
5.0(
6
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Keaau, HI and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"We are repeat customers of Aborist Services. They are professional, punctual and dependable. The site that was cleared had some challenges that they were able to solve. Thank you for a job well done. ."
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+22

Response time3 days
Response rate100%
Recommended by83%of homeowners
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Avatar for Precision Services
Precision Services
5.0(
29
)
Building Site - Preparation and Clearing

Serving Keaau, HI and surrounding areas

Approved

In business since 2023

Free estimates

Offers commercial services

"Very good team of crew to get the job done efficiently and competently. Puncture and responsible. These are very capable people. I highly recommend Precision Landcare! Aloha."
42 neighbors recently requested a quote
Recommended by46%of homeowners
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TNS Excavation, Inc.
New to Angi
Excavation - Major Grading or ReslopingLandscape - Minor Grading or Resloping

Serving Keaau, HI and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

Here at TNS Excavation, Inc., we are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of quality home improvement services. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! \n \n

Response time8 hrs
4 neighbors recently requested a quote
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Avatar for R&L Hauling LLC
R&L Hauling LLC
5.0(
1
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Keaau, HI and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Reed was a pleasure to work with. On time and on budget. Good with communication and kept me informed on the status of the project. Works well independently. Great job!!!"
Hillside photo before clearing. Thick, invasives
Close up shot of invasives
Photo after clearing
Response time1 day
Recommended by100%of homeowners
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Kamahele Land and Tree Care
New to Angi
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Keaau, HI and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

Kamahele Land and Tree Care is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

21 neighbors recently requested a quote
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Avatar for precision Landcare
precision Landcare
5.0(
27
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Keaau, HI and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"Tyrone was awesome! Prompt, courteous, And knows how to handle an excavator."
Response time12 hrs
Recommended by50%of homeowners
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Affordable Big Island Excavating
5.0(
2
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Keaau, HI and surrounding areas

In business since 1985

Free estimates

Offers commercial services

"Dwight was a pleasure to work with his skill with the Excavator is exceptional, and we were able to get all of our projects done in a timely manner. I would highly recommend him to anyone and I continue to use his services in my projects.."
Response time40 mins
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Excavating questions, answered by experts

Sewer lines can be buried anywhere from 18 inches to 8 feet deep, with a common average depth between 18 and 30 inches. The exact depth depends on local factors like climate and soil type. In colder regions, pipes must be buried deeper (below the frost line) to prevent freezing, sometimes as deep as 8 feet. The digging depth can also impact the cost of sewer line replacement. To find the specific depth for your property, you can check the building plans for your system, which should be on file with your city or local sanitation department since permits are required for installation.

Septic drain lines (or leach lines) are typically buried between 18 and 36 inches underground, and should be at least 6 inches below the surface. These pipes are perforated and surrounded by filtering materials like sand or gravel. Burying the lines at this depth helps minimize odors and allows bacteria and other biological processes in the soil to effectively treat the wastewater. Burying lines too close to the surface can cause issues unless the soil is very compact and stable.

Most residential basements are 8 to 10 feet deep. You can dig deeper depending on building codes, but it does become more difficult. You’ll likely need to install stronger foundation walls and additional supports to handle the increased load. Depending on the water table, you may also need a water management system. Clay soil can support a deeper foundation than sandy soil. A structural engineer will be able to tell you the maximum, feasible depth.

The rules and regulations regarding groundwater use vary between states. To find out if you can dig a well on your property, you’ll have to consult these regulations, address any compliance requirements, and get the appropriate permits. It’s also important to check that your intended location has the right geology and water table to support a well.

Yes, professional installations include trenching or borehole drilling required for ground loops.

The Keaau, HI homeowners’ guide to excavation services

From average costs to expert advice, get all the answers you need to get your job done.

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