Hiring an excavation contractor isn't like hiring a painter. If a painter makes a mistake, you repaint. If an excavator gets the grade wrong, skips drainage, or hits a gas line, you could end up with a wet basement, a failed retaining wall, or a dangerous utility strike. The work that happens underground is the work you'll never see, which is exactly why it matters who does it.

Connecticut makes the job harder than most states. Glacial till, ledge, boulders, wooded lots, steep slopes, and a 42-inch frost depth all shape how site work has to be done here.

A contractor who knows local conditions will plan for them before the first bucket of dirt moves.

Below is a guide to excavation contractors serving Connecticut homeowners, organized by region and specialty, followed by a practical checklist for vetting any contractor you're considering.

Transparency note: Elevated Earthwork, a Glastonbury excavation contractor, published this guide, and we've listed ourselves first. We list the other companies by region, not by ranking. Their descriptions are based on information each company publishes about itself. We encourage you to get multiple estimates and verify licensing for any contractor you consider.

How We Chose These Contractors

Every company on this list:

  • Focuses on excavation and site work as a core service, not a

    sideline

  • Serves residential customers in Connecticut, not only large

    commercial or municipal jobs

  • States publicly that it is licensed or registered and insured to

    work in the state

  • Offers services homeowners commonly need, like drainage, grading,

    land clearing, utilities, or septic work

We didn't rank companies against each other. The "best" contractor for a septic replacement in Norwich is different from the best one for a backyard drainage fix in Glastonbury. Location, specialty, and availability matter more than any single ranking.

9 Excavation Contractors Serving Connecticut Homeowners

Contractor Base / Region Best Known For
Elevated Earthwork Glastonbury, Central CT Drainage, grading, retaining walls, utilities
Zysk Bros. Inc. West Hartford Excavation, grading, masonry
Sima Excavating Manchester, West Hartford, Tolland Excavation, septic, tree clearing
MP Excavation Central CT Site development, demolition, new home sites
Valley View Excavating Plainville Drainage, septic, sewer, hardscapes
Excavation Solutions Southern & Central CT Drainage, land clearing, trenching
Hazelwood Inc. Wallingford Excavation, demolition, underground utilities
CT Siteworks Colchester, Eastern CT Foundations, land clearing, drainage
CMT Construction & Excavation Norwich area, Southeastern CT Septic, water and sewer lines

1. Elevated Earthwork (Glastonbury)

Elevated Earthwork is a family-owned excavation and site work company based in Glastonbury, bringing more than 15 years of commercial-industry experience to residential and light-commercial properties. Services cover excavation and land clearing, grading and drainage, water and sewer lines, retaining walls and hardscaping, driveway and sports court prep, and pool pads and yard expansion. The company holds Connecticut HIC registration HIC.0666048 and a 5.0 Google rating.

Good fit for: Homeowners in Glastonbury and the surrounding towns who want drainage, grading, and hardscape work planned together by one team.

2. Zysk Bros. Inc. (West Hartford)

Zysk Bros. is a family-owned company that has been in business for more than 42 years in business in the Hartford area. It offers excavation, grading, and site planning alongside masonry work like stone patios and stairs, and it is registered as a Connecticut Home Improvement Contractor.

Good fit for: West Hartford-area homeowners combining excavation with masonry or patio work.

3. Sima Excavating (Manchester, West Hartford, Tolland)

Sima Excavating says it has served the area for over a decade, handling residential and commercial excavation, site work, land grading, septic service, and tree and land clearing.

Good fit for: Homeowners east of the river who need excavation combined with septic or lot clearing.

4. MP Excavation (Central Connecticut)

MP Excavation describes itself as a family-owned, veteran-led general contractor. It handles site development, excavation, demolition, and home construction, and it uses GPS-equipped equipment for sitework built to engineering specs.

Good fit for: Owners preparing a lot for a new home, garage, or addition who want site work and building under one roof.

5. Valley View Excavating (Plainville)

In business since 2007, Valley View Excavating started as an excavating contractor and expanded into drainage, septic, sewer lines, retaining walls, and patio pavers for residential and commercial clients.

Good fit for: Central Connecticut homeowners west of Hartford needing drainage, sewer, or septic work.

6. Excavation Solutions LLC (Southern And Central Connecticut)

Excavation Solutions reports more than 40 years of residential and commercial excavation experience. The company highlights drainage, land clearing, stump removal, utility trenching, and grading, and it also works as a subcontractor for other builders.

Good fit for: Homeowners and builders in southern and central Connecticut with drainage or clearing projects.

7. Hazelwood Inc. (Wallingford)

Hazelwood has operated since 1949 and is now a third-generation family business. It handles excavation, site work, demolition, underground utility installation, and construction materials for residential, commercial, and municipal clients.

Good fit for: Larger residential projects involving demolition or significant utility work.

8. CT Siteworks (Colchester)

CT Siteworks has served residential clients in the Colchester region since 2010. Its work includes foundation excavation, land clearing, drainage, and utility trenching in towns like East Hampton, Hebron, and Lebanon.

Good fit for: Eastern Connecticut homeowners building new or fixing drainage on rural lots.

9. CMT Construction & Excavation (Norwich Area)

CMT Construction & Excavation serves southeastern Connecticut, from Norwich and Montville to Groton and the shoreline towns. It is a licensed septic contractor and is licensed and insured for water and sewer line repair and replacement.

Good fit for: Southeastern Connecticut homeowners with septic, water line, or sewer line projects.

How To Choose An Excavation Contractor In Connecticut

Whichever company you call, run through this checklist before you sign anything.

  1. Verify the license. Residential improvement work in Connecticut

    generally requires Home Improvement Contractor registration with the Department of Consumer Protection. You can look up any registration number on the state's eLicense portal. Septic, well, and some utility work require additional state licenses, so ask which ones apply to your project.

  2. Get proof of insurance. Ask for a current certificate showing

    general liability and workers' compensation. Heavy equipment on your property is exactly the situation insurance is for.

  3. Ask who calls 811. Connecticut law requires anyone digging with

    powered equipment to notify Call Before You Dig at least two full business days before work starts. The contractor doing the digging is legally responsible for that call. Call Before You Dig advises avoiding any company that asks the homeowner to call for them.

  4. Get a written scope. A good estimate spells out excavation

    depth, drainage materials, haul-off of spoils, rock or ledge assumptions, and site restoration such as topsoil and seed. Vague bids lead to surprise change orders.

  5. Ask how they handle water. Almost every excavation project

    changes how water moves across your property. A contractor who can't explain where the water will go afterward hasn't finished planning the job.

  6. Ask about permits. Retaining walls over 3 feet, new driveway

    curb cuts, work near wetlands, and septic systems often need town or state approval. Know who is pulling permits before work begins.

  7. Check recent reviews and references. Check Google, BBB, and Angi

    reviews, and ask for references from similar jobs.

What Affects The Cost Of Excavation Work

Excavation pricing varies widely because no two sites are alike. The biggest cost drivers in Connecticut are:

  • Rock and ledge. Hitting ledge can turn a one-day dig into a

    multi-day job with hammering or blasting.

  • Access. Tight side yards, fences, and septic fields limit

    equipment size and slow the work.

  • Soil and water. Wet sites and dense till often need more stone,

    fabric, and drainage pipe.

  • Hauling. Removing excess soil or bringing in fill is a significant

    line item on many jobs.

  • Restoration. Topsoil, seed, and hardscape repair after the dig

    should be included in the bid.

Why Elevated Earthwork

Explore our related services →

We put ourselves on this list, so here's why we think we belong there.

Elevated Earthwork is a family-owned team in Glastonbury with more than 15 years of commercial-industry experience. We bring commercial standards to residential properties: careful excavation, properly compacted bases, and drainage planned into every job instead of added as an afterthought.

  • One team for the whole site. Excavation, grading, drainage,

    utilities, retaining walls, driveways, and pool pads, all planned together.

  • Local knowledge. We work in Glastonbury's slopes, glacial till,

    and wooded lots every week.

  • Licensed and insured. Connecticut HIC registration: HIC.0666048.

  • Trusted by neighbors. A 5.0 Google rating plus strong reviews on

    BBB, Angi, and Facebook.

  • Straight communication. Clear expectations, fair pricing, and a

    clean site when we leave.

We serve Glastonbury, South Glastonbury, East Glastonbury, Hebron, Marlborough, Manchester, Wethersfield, Rocky Hill, West Hartford, and nearby communities. Call (860) 491-8964 or request a free estimate.

Frequently Asked Questions

Do Excavation Contractors Need A License In Connecticut?

Contractors doing residential improvement work generally need Home Improvement Contractor registration from the Department of Consumer Protection. Septic installation and certain utility work require additional state licenses. Always verify before hiring.

Who Is Responsible For Calling 811 Before Digging?

The person or company actually doing the digging. Connecticut requires notice to Call Before You Dig at least two full business days before excavating with powered equipment.

When Is The Best Time Of Year For Excavation In Connecticut?

Late spring through fall is ideal for most residential work. Frozen ground in winter and saturated soil during spring thaw can delay projects or damage lawns. Planning in winter helps you get on a contractor's schedule early.

How Many Estimates Should I Get?

Two or three is typical. Compare the scope line by line, not just the bottom number. The lowest bid often leaves out drainage, haul-off, or restoration.

Can One Contractor Handle Both Excavation And Hardscaping?

Some can. Companies like Elevated Earthwork handle excavation, drainage, retaining walls, and patios, which avoids coordination gaps between trades.

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