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TRUSTED BY CENTRALIA, WA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon56
    Verified excavation services reviews

Find Excavation pros in Centralia

Avatar for Dependable Excavation Plus
Dependable Excavation Plus
5.0(
8
)

Serving Centralia, WA and surrounding areas

Approved

In business since 2020

Free estimates

Customers say: Quick response

"Defendable Excavation Plus provided ground leveling, rock and brush removal services for me. A bid was promptly given me, and the service provided was excellently completed in one day. I recommend this company to anyone needing this type of service."
Response time1 day
Response rate93%
8 neighbors recently requested a quote
Avatar for JB and Son Excavating
JB and Son Excavating
4.9(
7
)

Serving Centralia, WA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"Extremely well done. Project had flooding issues. The crew dug a drain well, regraded the yard and input a French drain system efficiently, effectively and were really easy to work with. Jimmy was clear, communicative and quick. I will definitely rely on this company again when necessary. Fantastic experience!"
Response time7 hrs
12 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Superior Services Contracting LLC
Superior Services Contracting LLC
5.0(
58
)

Serving Centralia, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Emergency services offered

"Shannon was referred to me for demolition and cleanup services after my house fire. He is a friendly long time local, the kind of guy you want to hire, (not the out of town fly by night kinda guy). He is dependable, dedicated and enjoys his work. Shannon is a true talent and in his element in the Excavator."
New driveway parking area
New driveway parking area
New driveway parking area
New driveway parking area
New driveway parking area

+22

Response time10 hrs
54 neighbors recently requested a quote
Recommended by54%of homeowners
Avatar for JS Trucking and Excavation LLC
JS Trucking and Excavation LLC
5.0(
4
)

Serving Centralia, WA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"We loved working with Jason! He was very easy to work with, quick to start on our projects, did a fantastic job, and was the most affordable out of everyone we spoke to. We will definitely be working with him again for future projects!"
Response time1 day
Recommended by100%of homeowners
Avatar for TMR Excavation
TMR Excavation
New to Angi

Serving Centralia, WA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

TMR Excavation LLC is a locally owned excavation company serving Southwest Washington with affordable, high-quality dirt work. We specialize in residential projects including Site prep, Shop pads, Driveway installs, land clearing, grading, trenching, drainage solutions, brush removal, and more. With 10 years of experience working for top regional contractors in both heavy civil and residential jobs, we bring the experience to the private sector — offering honest service, transparent process, expert results, and a job done right. From the first estimate to the final grade, we take pride in getting your project done for you!

1 neighbors recently requested a quote
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Excavating questions, answered by experts

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

There is no standard depth for burying a septic tank; they are typically buried anywhere from 4 inches to 4 feet underground. The final depth depends on several factors, including the depth of your main sewer line, the height of the bedrock, soil type, local regulations, and the property's landscape. If you plan to grow grass or plants over the tank, a depth of at least 4 to 6 inches is recommended. Deeper tanks can be more difficult to locate, but a septic professional can help find it for you.

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.

No, you typically cannot use metal detectors to find your sewer line. Most sewer lines are made of non-metallic materials such as PVC, clay, or cast iron, which are not detectable by standard metal detectors. Metal detectors are designed to locate metallic objects, so they won't be effective for identifying the path of a non-metallic sewer line. To locate your sewer line accurately, it's best to use other methods.

The Centralia, WA homeowners’ guide to excavation services

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