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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(
120
)
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

+1820

Response time1 day
Response rate92%
Recommended by87%of homeowners
Request Quote
Avatar for KNL CONSTRUCTOR LLC
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!

Pavers
Pavers
Concrete Border
Concrete Border
Bluestone

+2

11 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(
7
)
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 time1 day
54 neighbors recently requested a quote
Recommended by42%of homeowners
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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

121 neighbors recently requested a quote
Recommended by68%of homeowners
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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 time1 day
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."
Response time7 hrs
Response rate100%
4 neighbors recently requested a quote
Request Quote
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Showing 1-10 of 145
Excavating questions, answered by experts

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.

Professional installers often include a deep layer of crushed gravel under permeable pavers to allow more runoff to soak through into the soil below. Many installations will include multiple layers of gravel, with coarser aggregate at the base and finer aggregate that sits on top of that bottom layer. Above the gravel, you’ll often find coarse sand that helps reduce paver shifting over time. Some permeable paver designs include a water collection system set into the gravel layer to route runoff to a safe area for disposal.

Landscape edging is more DIYable than trenching. You can DIY your own digging projects, but proceed carefully and only with proper knowledge of the equipment and appropriate safety measures in place. Keep in mind the project's scope and estimate how long it will take you to do it on your own. While you can certainly save money by DIYing home improvement projects, you can’t exactly hide an unfinished—or worse, ruined— landscaping job from the neighbors. It’s always safer to call an excavation pro near you to get an estimate.

If you’re planning to dig on your property, you’ll need to check for underground utility lines. Call the national call-before-you-dig 811 number. Once connected to an operator, you can schedule a site visit to mark underground lines. This way, you won’t accidentally dig into pipes and can cause major (read: costly) issues.

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.

The Cos Cob, CT 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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