
Get matched with top excavation pros in Cos Cob, CT
There are 18 highly-rated local excavation pros.
Need a pro for your excavation project in Cos Cob, CT?
TRUSTED BY COS COB, CT HOMEOWNERS
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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 October 04, 2025
Find Excavation pros in Cos Cob

Balunek Co. LLC
Balunek Co. LLC
Your local excavation and general contracting company! Quick and professional service for all your property needs! We offer the following services: - General Excavation - Sewer Main repair and replacement - Water Main repair and replacement - Landscape projects - Debris Removal - Small demolition - Yard Drainage - Project Management - Garbage removal And Much More!!! Fully licensed and insured Going above and beyond for our customers
"It went great. Oil tank was removed cleanly and professionally. Would definitely recommend to everyone."
Kasmira S on May 2024
Your local excavation and general contracting company! Quick and professional service for all your property needs! We offer the following services: - General Excavation - Sewer Main repair and replacement - Water Main repair and replacement - Landscape projects - Debris Removal - Small demolition - Yard Drainage - Project Management - Garbage removal And Much More!!! Fully licensed and insured Going above and beyond for our customers
"It went great. Oil tank was removed cleanly and professionally. Would definitely recommend to everyone."
Kasmira S on May 2024

Roto-Rooter Plumbing & Water Cleanup
Roto-Rooter Plumbing & Water Cleanup
When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.
"They were a day late"
Tina D on August 2025
When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.
"They were a day late"
Tina D on August 2025
Sunshine Environmental Services, Inc.
Sunshine Environmental Services, Inc.
With over 30 years of experience, we provide our customers with the best value for their Fuel Oil Dollar and excellent oil tank removal as required.
"(Fuel Tank Removal)"
Carlos C on January 2025
With over 30 years of experience, we provide our customers with the best value for their Fuel Oil Dollar and excellent oil tank removal as required.
"(Fuel Tank Removal)"
Carlos C on January 2025

C2G Environmental Consultants, LLC
C2G Environmental Consultants, LLC
C2G Environmental has 20 years of experience removing, abandoning and installing underground and above ground storage tanks (heating oil tanks), as well as, remediating contaminated soils from leaking tanks. By choosing C2G Environmental, you can be assured that your environmental project will be handled with the utmost care and professionalism. We specialize in residential & commercial underground oil tanks and services. We are fully licensed and insured to perform all aspects of underground oil tanks removal, abandonment's and installations in New York, Connecticut, and New Jersey, plus soil and groundwater remediation.
"N.A."
James H on April 2025
C2G Environmental has 20 years of experience removing, abandoning and installing underground and above ground storage tanks (heating oil tanks), as well as, remediating contaminated soils from leaking tanks. By choosing C2G Environmental, you can be assured that your environmental project will be handled with the utmost care and professionalism. We specialize in residential & commercial underground oil tanks and services. We are fully licensed and insured to perform all aspects of underground oil tanks removal, abandonment's and installations in New York, Connecticut, and New Jersey, plus soil and groundwater remediation.
"N.A."
James H on April 2025
A&G Construction & Landscaping
A&G Construction & Landscaping
A&G Construction is a full-service residential construction and landscaping company committed to quality and client satisfaction. We specialize in renovations, new construction, landscaping, and home maintenance, offering a range of services to enhance and maintain your home. Our renovation services include interior and exterior remodels, such as kitchens, bathrooms, siding, painting, and deck installations to boost curb appeal and functionality. We also handle additions and expansions, creating extra rooms or larger spaces to fit changing needs. For new construction, we provide custom home building, managing projects from design to completion to ensure homes reflect clients’ visions. We also build Accessory Dwelling Units (ADUs)—ideal for guest houses, in-law suites, or rentals—and offer garage construction, whether building new or converting for extra storage or living space. Our landscaping services include landscape design, plant installations, and seasonal upkeep. Our hardscaping options, like patios, walkways, retaining walls, and outdoor kitchens, enhance outdoor living areas, while our lawn and garden maintenance services—mowing, pruning, and clean-ups—keep landscapes vibrant year-round. For home maintenance, A&G Construction provides seasonal services like gutter cleaning, roof sweeping, and mold prevention to protect your home. Our power washing includes house soft washing, deck cleaning, and window washing to refresh exteriors. We also offer repair services for roofs, decks, and more, as well as energy-efficient upgrades like window and insulation installations. At A&G Construction, we’re dedicated to delivering high-quality results on every project, helping homeowners achieve their vision and maintain their property all year long.
A&G Construction is a full-service residential construction and landscaping company committed to quality and client satisfaction. We specialize in renovations, new construction, landscaping, and home maintenance, offering a range of services to enhance and maintain your home. Our renovation services include interior and exterior remodels, such as kitchens, bathrooms, siding, painting, and deck installations to boost curb appeal and functionality. We also handle additions and expansions, creating extra rooms or larger spaces to fit changing needs. For new construction, we provide custom home building, managing projects from design to completion to ensure homes reflect clients’ visions. We also build Accessory Dwelling Units (ADUs)—ideal for guest houses, in-law suites, or rentals—and offer garage construction, whether building new or converting for extra storage or living space. Our landscaping services include landscape design, plant installations, and seasonal upkeep. Our hardscaping options, like patios, walkways, retaining walls, and outdoor kitchens, enhance outdoor living areas, while our lawn and garden maintenance services—mowing, pruning, and clean-ups—keep landscapes vibrant year-round. For home maintenance, A&G Construction provides seasonal services like gutter cleaning, roof sweeping, and mold prevention to protect your home. Our power washing includes house soft washing, deck cleaning, and window washing to refresh exteriors. We also offer repair services for roofs, decks, and more, as well as energy-efficient upgrades like window and insulation installations. At A&G Construction, we’re dedicated to delivering high-quality results on every project, helping homeowners achieve their vision and maintain their property all year long.
Mulvilles excavation and landscaping
Mulvilles excavation and landscaping
We specialize in drainage work, driveways , land clearing , digging foundations, and other types of earth work , we aim to give our customers the best experience possible in seeing there vision come to life in a fast, efficient and most professional way possible
We specialize in drainage work, driveways , land clearing , digging foundations, and other types of earth work , we aim to give our customers the best experience possible in seeing there vision come to life in a fast, efficient and most professional way possible
Grasso Companies
Grasso Companies
The Grasso Companies is a household name in the heart of Stamford, CT. At Grasso Companies, we offer comprehensive construction service and solutions for our residential, commercial, and government customers. From public sector construction to driveway design expertise or complex excavations, - and everything in between - our team members have the know-how and experience to handle projects of every size and scope with skill and confidence. Whether you need help with just one aspect of your project or are seeking an organization you can trust to oversee and execute the whole project from start to finish, we’ve got everything it takes to provide the results you expect and deserve.
"I thought they were fabulous. You get what you pay for. I will recommend them and use them, again."
Gloria M on February 2018
The Grasso Companies is a household name in the heart of Stamford, CT. At Grasso Companies, we offer comprehensive construction service and solutions for our residential, commercial, and government customers. From public sector construction to driveway design expertise or complex excavations, - and everything in between - our team members have the know-how and experience to handle projects of every size and scope with skill and confidence. Whether you need help with just one aspect of your project or are seeking an organization you can trust to oversee and execute the whole project from start to finish, we’ve got everything it takes to provide the results you expect and deserve.
"I thought they were fabulous. You get what you pay for. I will recommend them and use them, again."
Gloria M on February 2018
Hulk Industries LLC
Hulk Industries LLC
All outdoor and indoor construction from excavation all the way to interior work as well. Total home construction. Clean up as well.
All outdoor and indoor construction from excavation all the way to interior work as well. Total home construction. Clean up as well.
CornerStone
CornerStone
CornerStone provides landscaping and snow removal for residential and commercial properties. Our dedicated team of skilled technicians are committed to provide superior service fitting to your properties unique needs. In addition to exterior property maintenance, we also can provide concrete repairs, asphalt repairs, masonry and carpentry repairs as well as seasonal planting and decor installation. We can provide power washing, dumpster rental and firewood too. It's one stop shopping with CORNERSTONE! We are a local Westchester family that owns and operates this business. We are fully licensed and insured serving Westchester communities and the tri-county area.
CornerStone provides landscaping and snow removal for residential and commercial properties. Our dedicated team of skilled technicians are committed to provide superior service fitting to your properties unique needs. In addition to exterior property maintenance, we also can provide concrete repairs, asphalt repairs, masonry and carpentry repairs as well as seasonal planting and decor installation. We can provide power washing, dumpster rental and firewood too. It's one stop shopping with CORNERSTONE! We are a local Westchester family that owns and operates this business. We are fully licensed and insured serving Westchester communities and the tri-county area.
Constitution State Construction
Constitution State Construction
Full service landscaping, hardscapes, excavation, sitework and snow removal.
Full service landscaping, hardscapes, excavation, sitework and snow removal.
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.
The cost to re-level your mobile home depends on your home’s location, size, and whether it needs extra support. Read more about the cost of leveling your mobile home.
Time to get rid of that old chipped and crumbling walkway? Concrete removal costs can add up, but you have options to simplify the process. Learn more here.
Excavation costs $1,500 to $6,300 for most residential projects—but it depends on factors like the size of the area. This guide will help you plan a budget.
Trenching involves digging long, deep channels, but edging creates shallow, neat borders. Learn more about each method and when to use them.
Trenching means digging a depression in the earth that’s longer than it is wide. Here’s what you need to know about trenching—including doing it safely.
When planning to trench, you may be concerned about rocky ground. Can a trencher go through rock? Find out what your trencher can cut through in this guide.
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