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Top-Rated Excavation pros in Nanjemoy - Updated Nov 2026

R.K. Boswell Septic & Excavating
3.9(
106
)
Building Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping - For Business

Serving Nanjemoy, MD and surrounding areas

In business since 2001

Free estimates

Offers commercial services

"RK Boswell and Septic and Excavating is an awesome company. The only reason we did not hire them is because we did not have a septic pump we have an electric pump. We are new to living in a rural area and was not sure what we had. They came out, look over our system and told us exactly what we could do at no cost. Their customer service is awesome. If someone does this for us without securing a contract, I think you can trust them with the septic projects that you have."
Response time40 mins
Response rate100%
Recommended by84%of homeowners
Avatar for Willard Environmental Group Inc
Willard Environmental Group Inc
4.9(
55
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Nanjemoy, MD and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"If you need to replace your underground oil tank, then you're freaking out about the expense and possible catastrophic complications.   So do yourself a favor and call Willard.    This wonderful family company makes everything easy.    

Our very positive experience started with the initial visit by Josh.    Then company owner Billy Willard answered all our many questions.   Considering the options, we decided to purchase a Roth tank.    Not just more compact than other brands, it also has a 30-year warranty.   Willard is the only company in Virginia certified to install Roths.    

Our work was scheduled quickly.    Willard called Miss Utility and also our county -- we didn't have to do a thing.   The Roth tank fit neatly into our garage and Billy and his crew took great care with every detail of its complicated installation.    The removal of our underground tank went really well too, even though the tank turned out to be quite deep.    Frank and Josh worked very carefully to expose but not damage the old tank, and to transfer oil into the new tank.    Then the old tank was prepared so the residual oil could be pumped for recycling.    We hadn't even realized this step would take place, because Willard had made all the arrangements.   Next the tank was lifted and soil samples were taken.      Then, using a truckload of fill Willard supplied as well as the excavated soil, the enormous hole was filled, carefully graded and sown with grass seed.     

You can imagine how many heavy vehicles were in motion to accomplish all this, yet there was not the slightest damage to our fence, landscaping, driveway or house. 

Meanwhile, Tim was connecting the new Roth tank to our furnace, working with ingenuity around the maze of ducting. pipes and wires in our basement.   He wasn't satisfied until he was sure the connection was perfect.   

We thought the entire crew was awesome, and that opinion was validated when the county fire inspector approved everything they'd done.   The Willards and Josh Delaney were not just expert, they were really friendly and considerate.    It was a pleasure to have them around,  They turned what had been a huge nightmare into a perfectly executed solution.    
"
UST Removal
Recommended by100%of homeowners
Avatar for 7247 plumbing
7247 plumbing
4.6(
19
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Nanjemoy, MD and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"Mr. Lee was easy to work with. He knew exactly what was needed to get the job done after looking at what he was working with. I needed to have a new shower drain and 2 inch PVC pipe installed after I removed the previous 15 year old leaking drain. I knew the next steps needed to be done by a professional. Glad to have found him and his expertise. I would definitely recommend this service."
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Recommended by100%of homeowners
Avatar for Kelly Plumbing & Heating
Kelly Plumbing & Heating
4.5(
84
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Nanjemoy, MD and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Kelly was very responsive and fixed the problem right away. I have a rental property, and Kelly was able to perform the work without me being there. Kelly sent me photos of what they found in the drain, and they emailed me the work order & invoice. I will use them again in the future if I have a plumbing need!"
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Recommended by89%of homeowners
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Excavating FAQs, answered by experts

Yes. A metal detector is one of the quickest and easiest ways to find your septic tank. However, metal detectors can be too expensive (costing upward of $300 in some cases), and not everyone has a metal detector just lying around. If that’s the case for you, you can also take a long metal rod and poke it into the ground at regular intervals until you hit something—likely your septic tank lid.

Yes, chipmunk holes may have two or more entrances. Chipmunks can create an entire network of burrows. Having multiple entrances makes it easier for them when trying to escape from a predator, such as a snake, or if an entrance collapses due to flooding. Each entrance leads to the nesting chamber underground, which is where the chipmunk spends the majority of its time sleeping.

Errors in site preparation can lead to structural failures or appear costly midway. Professionals ensure detailed, reliable home base development layouts.

Hardscaping often requires preparation of the ground in the area where the feature is being installed. This can include digging, compacting, and leveling the soil, ensuring adequate drainage, and removing any existing plants. The extent of preparation needed will depend on the type and size of the hardscaping feature being installed.

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

The Nanjemoy, MD homeowners’ guide to excavation services

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