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TRUSTED BY COS COB, CT HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon28
    Verified excavation services reviews

Verified Reviews for Excavation pros in Cos Cob, CT

*The Angi rating for Excavation companies in Cos Cob, CT 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 Cos Cob, CT 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 May 04, 2026

Find Excavation pros in Cos Cob

Avatar for The Builders & Cleaners
The Builders & Cleaners
4.9(
119
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Best experience I ever had hiring some to do exterior & interior repairs!very pleased and highly recommended them to everyone I know !"
Dust out from the ductwork
Dust out from the ductwork
Clean vent
Clean vent
Dust in the return

+1807

Response time1 day
Response rate91%
Recommended by88%of homeowners
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Avatar for Ron's Masonry
Ron's Masonry
5.0(
29
)
Landscape - Minor Grading or Resloping

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1995

Emergency services offered

Small jobs welcome

"Ron and his assistant arrived on time to do some fall cleanup landscaping at my house. What would have taken me three days to do, plus hauling away the debris, took them under two hours. It was the very best money I ever spent - more so because I got to meet such lovely people, but also because they helped me a great deal. I will be calling them in the spring for a clean up and masonry work."
Walkway
Steps
Footing
Walk
Walk

+36

Response time2 days
43 neighbors recently requested a quote
Recommended by88%of homeowners
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KNL CONSTRUCTOR LLC
5.0(
11
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

*****Call Today for an Estimate @ 475-279-4864***** With over 10 years of experience, I take pride in my quality craftsmanship. We are owner operated, and believe in building long-term relationships with our clients by delivering honesty along with exceptional work. We pride our company on reliability, great communication, integrity, and customer service. We are experts in our trade and will do our best to keep you as educated as we can on your particular project. Give us a call today! We look forward to working with you!

5 neighbors recently requested a quote
Recommended by66%of homeowners
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Avatar for AA Outdoor Services, LLC
AA Outdoor Services, LLC
3.9(
33
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1990

Free estimates

Small jobs welcome

"Vinny is a very friendly and professional guy who we really enjoyed working with. The quality of his work is excellent- we used him for our sidewalk and refurbishing the rod iron railings. Overall positive experience with him and the final project turned out great! We would definitely recommend him and will be using his services again in future projects."
Driveway in New Haven (West Haven)
Rear entrance and parking area (West Haven)
Rear entrance and parking area (West Haven)
Step repair (West Haven)
Step repair (West Haven)

+61

Response time9 hrs
Recommended by100%of homeowners
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Avatar for Belinquete
Belinquete
5.0(
6
)
Excavation - Major Grading or ReslopingBuilding Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business+1 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"David and his crew were on time , professional, and affordable. The work was beautiful and they cleaned up beyond my expectations. I would definitely hire them again!"
Response time2 days
36 neighbors recently requested a quote
Recommended by50%of homeowners
Request Quote
Avatar for Elite Development Creations
Elite Development Creations
3.6(
36
)
Excavation - Major Grading or ReslopingLandscape - Minor Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Victor was referred to us by friends and he did not disappoint. He was not the least expensive option to us but his track record speaks for itself. The planting?s and masonry his crew installed were beyond what we could have imagined. Loving my yard. Don?t hesitate to hire this company. Leo S"
Stone patio
Stone patio
Patio and turf
Excavation
Excavation

+27

120 neighbors recently requested a quote
Recommended by68%of homeowners
Request Quote
Avatar for Leo Masonry
Leo Masonry
4.0(
20
)
Building Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2004

Free estimates

Small jobs welcome

"I think they were very good and cared about the service. I interviewed 10 companies and bids, and I selected them."
pool house
concrete
stone wall & stairs
pool
pool

+3

Response time2 days
Recommended by94%of homeowners
Request Quote
Avatar for Eden Farms LLC.
Eden Farms LLC.
4.7(
3
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1994

Free estimates

Credit card accepted

"WE WERE LUCKY TO HAVE HER HELP WITH OUR FRONT YARD AND BACK KNOLL GARDENS ALONG WITH DIFFERENT ARRANGEMENTS FOR HOME AND POTS WITH A BEAUTIFUL DISPLAY. SHE WAS VERY HELPFUL."
7 neighbors recently requested a quote
Recommended by100%of homeowners
Request Quote
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Excavating questions, answered by experts

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 cost to repair a crawl space runs between $1,500 and $15,000, depending on the extent of the damage. Major flooding or water repairs can cost up to $10,000 for removal and repairs. If you simply need to clean your crawl space, expect to pay between $2,000 and $6,000 for a major cleanout. Replacing a crawl space beam due to rot or damage can cost between $1,500 and $5,000, while removing and replacing damaged insulation costs between $1,000 and $4,000.

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.

Trenching and boring are two distinct methods for installing underground utilities. Trenching involves digging a channel using equipment like an excavator, trencher, backhoe, or shovel. While it is a simpler process, it causes significant disruption to the surface, landscaping, and surrounding ecosystems.

Boring, also known as directional boring, is a less invasive alternative that uses a drill to create a tunnel for utility lines without disturbing the surface. This method is more precise and is ideal for installations that need to go underneath buildings, roads, or bodies of water. Although boring is less disruptive, it is generally more expensive than trenching.

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.

The Cos Cob, CT homeowners’ guide to excavation services

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