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  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon37
    Verified excavation services reviews

Top-Rated Excavation pros in Niwot - Updated Nov 2026

Avatar for A.P. Excavation & Landscaping
A.P. Excavation & Landscaping
4.7(
223
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Niwot, CO and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"AP Excavating installed a drinking post for our horses and replaced a water hydrant. Wonderful father and sons family business - great to work with them and their crew. I was impressed with the quality of work and their commitment to making sure they exceeded our expectations. I will be using them for our next projects: entry gate, trenching work and landscaping driveway island. Thank you AP Excavating!"
Pine Tree
Start of Project
AP Bucket Truck
Midway Point
Ground Work

+21

5 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Empire Landscapes
Empire Landscapes
4.6(
65
)
Landscape - Minor Grading or Resloping

Serving Niwot, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"I recently had the pleasure of working with Rich and his crew, who transformed my outdoor space over the course of two weeks. They created a beautiful patio, fixed my sprinkler system, repaired the edging, and added rock to enhance the landscape. Rich’s attention to detail was evident when he identified that my French drain needed replacement and suggested sealing my back patio. His expertise and proactive approach made a significant difference in the quality and longevity of the work. I highly recommend Rich and his crew for any landscaping needs. Their professionalism, skill, and dedication to their craft are truly commendable."
Driveways - Concrete Project
Concrete driveway replacement
Old leaning wood ties wall
Garage concrete floor
Landscaping Project

+214

Response time1 day
Recommended by83%of homeowners
Silverline Landscape & Excavation, LLC
4.6(
17
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Niwot, CO and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"Tanner and his crew were absolutely amazing. Tanner was able to get me an estimate in a timely manner and very reasonably priced. I couldn't believe how nice and fun his crew was they had my driveway installed in no time, actually a day early! I have no doubt its going to last for years to come. I would recommend these guys to anyone who needs an excavator!"
Response time2 days
26 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Gray Works, LLC
Gray Works, LLC
4.6(
24
)
Excavation - Major Grading or ReslopingLandscape - Minor Grading or Resloping

Serving Niwot, CO and surrounding areas

Approved

In business since 2021

Free estimates

Small jobs welcome

"For excavating work, ability and safety.. he NAILED it. The corners that he had to make in order to pull out these huge rocks was phenomenal. Please reach out! Thanks!"
Garage Demo
Garage Demo
Garage Demo
John Deere Skid Steer 324G
Grading

+11

Response time1 day
10 neighbors recently requested a quote
Recommended by95%of homeowners
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Excavating FAQs, answered by experts

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

A mini excavator can dig between 5 and 11 feet deep, depending on the type and size of the mini excavator. Mini hydraulic excavators are more powerful and can reach deeper into the earth, but electric models have a more limited range. Mini excavators over two tons in size are also more powerful and able to dig as deep as 11 feet.

After you successfully remove your boulder, you have a few options for what to do to get rid of it. You can rent a dumpster if your yard has many boulders or if you’re planning a larger project. You can even save the boulder and reuse it elsewhere on your property to save on landscaping costs. A few ideas include using the boulder as a natural, abstract statue, breaking it into smaller pieces to line your garden bed, or offering it to a landscaping company that could reuse it for another project.

Excavation is priced in cubic yards, so you’ll need to find the volume of the area in order to calculate costs. Multiply the length, width, and proposed depth of your excavation site, then convert it into yards to get the volume. Multiply this figure by the price per cubic yard.

Most homeowners can measure by hand to get a rough estimate, even if it’s tedious. You may want to pull out a tape measure or use a string to help mark the area.

A trench that is less than 5 feet deep often doesn't require a protective system. Most residential trenches will not go this deep (the typical residential drainage trench is just 18 inches deep). In the event that an excavator needs to dig more than 5 feet beneath the surface, a protective system is required unless the excavation is in entirely stable rock.

The Niwot, CO homeowners’ guide to excavation services

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