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Top-Rated Excavation pros in Collinsville - Updated Nov 2026

Avatar for KNL CONSTRUCTOR LLC
KNL CONSTRUCTOR LLC
5.0(
11
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Collinsville, 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

24 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for NERI BUILDING AND DEVELOPMENT LLC
NERI BUILDING AND DEVELOPMENT LLC
5.0(
27
)
Excavation - Major Grading or ReslopingBuilding Site - Preparation and Clearing

Serving Collinsville, CT and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Excellent excavation company! The team was professional, reliable, and easy to work with from start to finish. They completed the job on schedule, maintained great communication throughout the project, and delivered high-quality work with attention to detail. The site was kept organized, and they handled every aspect of the excavation safely and efficiently. I highly recommend them to anyone looking for a dependable excavation contractor and would gladly work with them again."
Spindle Hill Farms
Spindle Hill Farms
Spindle Hill Farms
Spindle Hill Farms
Stamped Concrete

+8

1 neighbors recently requested a quote
Sunshine Environmental Services, Inc.
4.8(
7
)
Water or Fuel Tank - RemoveExcavation - Major Grading or ReslopingWater or Fuel Tank - Install or Replace

Serving Collinsville, CT and surrounding areas

Approved

In business since 1986

Free estimates

Credit card accepted

"I am very pleased with this company. Prompt initial response and quote. Prompt site inspection. The excavation of underground oil tank was performed within a week, as promised. The work was done expertly and quickly. The hole was filled and grass sowed in. The completely report was delivered by email within 48 hrs as promised. The invoice was in agreement with quote. Excellent work and pleasant crew. I recommend very highly."
Response time1 day
11 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for C2G Environmental Consultants, LLC
C2G Environmental Consultants, LLC
4.1(
151
)
Water or Fuel Tank - Install or ReplaceWater or Fuel Tank - Remove

Serving Collinsville, CT and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

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. \n \nWe 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

Residental Oil Tank Removal
Locate buried tanks
Aboveground Oil Tank Installation
Response time1 day
Recommended by88%of homeowners
Avatar for American Junk Removal LLC
American Junk Removal LLC
4.9(
14
)
Building Site - Preparation and Clearing - For Business

Serving Collinsville, CT and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We develop lasting relationship so that the next time service is needed there is no question on who to call. Satisfaction is guaranteed! Call me today, The Owner, on my Mobil Phone anytime at 1-203-736-6825. \nWe Specialize in: \n- Whole House & Estate Clean- Outs \n- Large & Small Jobs ( From One Item To Many ) \n- Commercial Clean- outs \n- Shed Removals \n- Demolition & Carpet Removal \n- Pool & Hot Tub Removal \n- Construction Debris Removal \n- Playscape Removal \n- One Time- Heavy Duty Cleaning \n- Soot Damage & Puff Back Clean- Ups \n \nFree Estimates

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

11 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Advanced Basement Waterproofing LLC
Advanced Basement Waterproofing LLC
5.0(
5
)
Excavation - Major Grading or Resloping

Serving Collinsville, CT and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. \nIt is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. \nIn order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer \nin a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Knell walls
Knee Walls
After
Before
Concrete Work

+1

318 neighbors recently requested a quote
Avatar for SVL, LLC
SVL, LLC
3.5(
47
)
Excavation - Major Grading or Resloping - For Business

Serving Collinsville, CT and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

At SVL, landscaping is just the beginning—we bring your ideas to life with charm, precision & care. Serving CT since 2003, our locally-owned team treats clients like family, handling projects of all sizes with extraordinary attention. Experts in hardscapes, excavation, drainage, property maintenance & more, there’s virtually no outdoor challenge we can’t solve creatively. Our commitment to clear communication, reliability & personalized service sets us apart. Our trademarked slogan, “We DIG Your Ideas!” truly represents how deeply we value your vision. You can trust us not only to meet your expectations but consistently exceed them. Choosing SVL means partnering with a team of approachable, experienced professionals who cant wait to bring your ideas to life! Projects large/small, simple/complex, you’ll receive the personalized attention, impeccable craftsmanship & genuine care only a dedicated, local company can provide. Join the SVL family & let’s build something amazing together

Stair walkway
Stair walkway
Walkway
Front walkway & stairs
Front walkway

+57

Response time10 hrs
Recommended by96%of homeowners
Avatar for NBS Construction
NBS Construction
5.0(
4
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Collinsville, CT and surrounding areas

Approved

In business since 2020

Free estimates

Customers say: Quick response

Here at NBS Construction, I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!

Response time1 day
5 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Northwest Dirtworks, LLC
Northwest Dirtworks, LLC
5.0(
1
)
Building Site - Preparation and ClearingExcavation - Major Grading or Resloping

Serving Collinsville, CT and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

Northwest Dirtworks LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.\n\nWe specialize in traditional excavation work (grading, foundation dig outs, large scale excavation projects) but also focus on drainage work (water mitigation & piping), land clearing (yard expansions, clear cutting for building/lot preparation) as well as brush cleaning and forestry mulching. We are highly focused on our clients needs and can network/collaborate to make ANY project a reality.

Response time7 hrs
...
Showing 1-10 of 98

FAQs for excavation projects in Collinsville, CT

Depth depends on the type of installation and the regulations in your area. Water supply lines typically require 24 inches, while drainage pipes are often installed 36 inches below grade. For most general projects, a depth of 12 to 24 inches and a width of about eight inches is sufficient. Sticking to these specs keeps your utilities safe, code-compliant, and easier to maintain later.

When you need to run utilities underground, you’ve got two main options: boring or trenching. Boring employs directional drilling to install utilities without exposing a continuous channel, while trenching requires excavating an open channel to place utilities securely. Directional drilling preserves landscape integrity, whereas trenching provides direct access for installation, albeit with greater surface disruption. This clear comparison helps you select the method best suited to your project.

Plan on 12 hours to dig 100 linear feet when the soil is cooperative and you can work continuously. This timeframe applies when work is performed consistently and methodically. Factors such as rocky soil, tree roots, obstructions, and frozen ground increase the overall duration, demanding extra planning and effort. Comprehensive operational planning ensures that every challenge is managed efficiently and the project is completed on schedule.

If you want your yard to look untouched, laying fresh sod over the trench is the quickest fix. New sod needs 30 to 45 days to root and blend with the rest of your lawn. A local sod pro can provide you with a firm timeline and tips to ensure the grass takes hold and maintains your curb appeal.

The Collinsville, CT homeowners’ guide to excavation services

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