Lake Norman Long Island Excavating
“They are reliable and efficient and Nick and his team went over and beyond to make our home even better.”
Best Excavation Services near Smithtown, NY
These contractors serve Smithtown from nearby bases in towns including Bay Shore, Kings Park and Nesconset.
15 contractors listed · 4 open 24/7 · 11 open weekends · 14 rated 4.5+ · 5 show a license
Data verified October 18, 2026
Long Island Land Grading
“You can tell they genuinely care about their work and want to measure the customer is 100% satisfied.”
Bongiornos Contracting
“They carefully sized and planned the work, When the materials were delivered, the team arrived early and worked tirelessly removing bushes, old patio walls, old foundations and walkway.”
Suffolk Concrete & Masonry
“We had major foundation, drainage, and structural damage that Frank thoroughly diagnosed as well as executed the work flawlessly.”
Royal Pavement Solutions
“Professional, reliable, and knowledgeable, Royal Paving Solutions staff and workforce are second to none.”
Bulldog Contracting & Excavating Inc.
“CHRIS and his crew did an amazing job removing a big stump from my front property and leveling out and grading the whole front lawn.”
Listed for homeowners in and around Smithtown, NY, these 15 contractors dig, grade and demolish. What each one says about machines, hauling and site work comes from its own website; the ratings and comments on this page are from public reviews.
Area overview: Smithtown, NY
The 15 contractors on this page are rated from 4.4 to 5.0 across 488 reviews; 2 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), quality (86%) and responsiveness (86%). The topics that come up most in reviews of the contractors on this page are "price", "cleanliness" and "estimates". 4 are open around the clock; 11 are open on Saturdays and 7 on Sundays. The services the contractors on this page list most often on their websites are demolition services (2), excavation (2), land clearing (2) and snow removal (2). 5 show a license on their websites. 13 have ten or more years of experience, the longest 47 years. 5 offer emergency call-outs; 5 give free estimates and 3 are family- or locally-owned. We have a website on file for all 15 of the contractors on this page; 11 publish a contact page; 10 list a public email and 1 takes bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
Do any of these contractors say they are licensed?
5 of the 15 listings on this page show a license on their websites. Check the claim with the issuing board, and ask separately for a certificate of insurance sent by the insurer rather than a copy forwarded by the contractor.
Green Island Group
“5 day affair and they brought over all the equipment and had supervisory people on site to ensure safe practice and the job is done to high standards.”
Cherokee Contracting
“Best dumpster service on Long Island hands down.”
Tom Egan Cesspool Service
“Especially if you deal with Mike, you know you are dealing with an honest, respectful, business man who also gets his hands dirty doing the actual work.”
LOS DOS Aces INC
“The best demolition company I hired ,its the best experience ever they do on time , they don't fail!!”
Long Island Lumber Jack
“I highly recommend dave and his crew at lilumberjack.”
Digworx Services Inc.
“Digworx excavated, removed a foundation, hauled away steel pipes and tanks and a giant irrigation pump and filled and graded the area.”
Unitech Services Group
“Steve Mathews is a Great person to deal with he's kind curious and well mannered man if you need work done please get in contact with Steve I truly know you encounter will be great”
Pavemaster Long Island
“The job was completed on- time and we were informed of the process every step of the way.”
Carl Bongiorno & Sons
“Carl and his crew are fantastic.”
Why these companies made our list
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