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Verified Reviews for Excavation pros in Gorham, NH

*The Angi rating for Excavation companies in Gorham, NH 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 Gorham, NH 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 January 14, 2026

Find Excavation pros in Gorham

Avatar for Rotten Rock Hardscaping & Tree Service Inc.

Rotten Rock Hardscaping & Tree Service Inc.

5.00(
21
)

Rotten Rock Hardscaping & Tree Service Inc.

5.00(
21
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Offering Logging and Tree Services by Certified Professional Loggers and ISA Certified Arborists. Technical Tree Removals, Limbing, Pruning, Climbing, Crane Service, Cabling and Bracing and Tree Risk Assessments. Plant Health Care Services - Tree Rx Health Care Program, Fertilizations and Treatments for a range of pests from Gypsy Moths to Emerald Ash Borer Beetles. Licensed in the State of New Hampshire and Maine for Treatments.

Offering Logging and Tree Services by Certified Professional Loggers and ISA Certified Arborists. Technical Tree Removals, Limbing, Pruning, Climbing, Crane Service, Cabling and Bracing and Tree Risk Assessments. Plant Health Care Services - Tree Rx Health Care Program, Fertilizations and Treatments for a range of pests from Gypsy Moths to Emerald Ash Borer Beetles. Licensed in the State of New Hampshire and Maine for Treatments.

KEY LANDSCAPE & IRRIGATION

5.00(
11
)

KEY LANDSCAPE & IRRIGATION

5.00(
11
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Our primary service is Hardscaping. We are ICPI certified installers of concrete pavers. We build unique patios, water features, outdoor kitchens, pizza ovens, pergolas, and outdoor fireplaces and fire pits.

Our primary service is Hardscaping. We are ICPI certified installers of concrete pavers. We build unique patios, water features, outdoor kitchens, pizza ovens, pergolas, and outdoor fireplaces and fire pits.

Avatar for Olofson Landworks LLC

Olofson Landworks LLC

5.00(
10
)

Olofson Landworks LLC

5.00(
10
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Additional address - PO Box 479, Hampton Falls, NH 03844. Olofson Landworks LLC is a family owned and operated business. Troy Olofson started the company in 1993, building on prior experience with landscaping companies including Rockcrest Gardens. All of Olofson Landworks' key personnel have been involved with the operation of the company since its inception and are highly experienced and skilled in all aspects of landscaping & maintenance work.

"Great. They provided some great design ideas on how to handle the area around the mailbox and the results were great. I would hire them again anytime."

Steve Q on June 2018

Additional address - PO Box 479, Hampton Falls, NH 03844. Olofson Landworks LLC is a family owned and operated business. Troy Olofson started the company in 1993, building on prior experience with landscaping companies including Rockcrest Gardens. All of Olofson Landworks' key personnel have been involved with the operation of the company since its inception and are highly experienced and skilled in all aspects of landscaping & maintenance work.

"Great. They provided some great design ideas on how to handle the area around the mailbox and the results were great. I would hire them again anytime."

Steve Q on June 2018

Brent Harlow Designer/Builder

4.28(
18
)

Brent Harlow Designer/Builder

4.28(
18
)
Customers say: Quick response
43 years of experience

From foundation to finish and anything that's in between. Exceptional communication with home owner weather simple or complex. If you want someone to personally help with your projects I would like the opportunity. Thank you

From foundation to finish and anything that's in between. Exceptional communication with home owner weather simple or complex. If you want someone to personally help with your projects I would like the opportunity. Thank you

Avatar for C R BENTLEY CO

C R BENTLEY CO

5.00(
3
)

C R BENTLEY CO

5.00(
3
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We offer excavating, stone walls, Septic systems, riding arenas, land clearing and most other site work If you have a overgrown area you are not sure what to do with give me a call we can change forest to field. This is an owner operated company and i am on every job start to finish.

We offer excavating, stone walls, Septic systems, riding arenas, land clearing and most other site work If you have a overgrown area you are not sure what to do with give me a call we can change forest to field. This is an owner operated company and i am on every job start to finish.

Avatar for Black Majic Sealcoating

Black Majic Sealcoating

4.60(
5
)

Black Majic Sealcoating

4.60(
5
)
Customers say: Super punctual
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specailize in the asphalt sealing buisness! If mention that u got my name from angies list get 15 percent off of booking of driveway with us ..

"Excellent customer service. Great job done on driveway at a fair price. Definitely recommend."

Chuck D on September 2020

We specailize in the asphalt sealing buisness! If mention that u got my name from angies list get 15 percent off of booking of driveway with us ..

"Excellent customer service. Great job done on driveway at a fair price. Definitely recommend."

Chuck D on September 2020

JJ Calnan and sons Contractors

4.25(
4
)

JJ Calnan and sons Contractors

4.25(
4
)
Customers say: Terrific value
40 years of experience

JJ Calnan and sons Contractors is a family owned and operated business. With our total time in the construction industry, working for others and in business for ourselves, we have over 100 years experience. Our employees are longtime. loyal, dedicated and highly skilled. We can provide hundreds of references from homeowners, business owners, industry, religious institutions & municipalities. We are fully insured and liscensed. Our prices are very competitive and fair. We honor our Veterans who receive 10% discount. Contact John at [email protected]

JJ Calnan and sons Contractors is a family owned and operated business. With our total time in the construction industry, working for others and in business for ourselves, we have over 100 years experience. Our employees are longtime. loyal, dedicated and highly skilled. We can provide hundreds of references from homeowners, business owners, industry, religious institutions & municipalities. We are fully insured and liscensed. Our prices are very competitive and fair. We honor our Veterans who receive 10% discount. Contact John at [email protected]

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Excavating questions, answered by experts

A mini excavator can dig between 5 and 11 feet deep, depending on the type and size of the mini excavator. Mini hydraulic excavators are more powerful and can reach deeper into the earth, but electric models have a more limited range. Mini excavators over two tons in size are also more powerful and able to dig as deep as 11 feet.

You can bury underground electrical wire six inches deep—but only if you use a rigid metal electrical conduit. For rigid, non-metallic conduits, bury the wire at least 12 inches deep. If using an underground feeder cable rated for direct burial, you'll need to place it at least 18 inches deep, as it has no conduit for extra protection.

While general contractors sometimes handle demolition, you can also look specifically for local demolition contractors. Demolition experts need to understand structural integrity, the equipment needed for safe demolition, and the permits required for demolition.

The best type of soil to build on is a mixture of sand and clay, known as loam soil. Loam soil has the best combination of these soil types to build a foundation on. The clay particles help with water retention, so it won’t erode like sandy soil might, and the sandy particles help with drainage, so you won’t see unsafe soil expansion or have an increased risk of leaks from water sitting against your foundation.

Hardscaping often requires preparation of the ground in the area where the feature is being installed. This can include digging, compacting, and leveling the soil, ensuring adequate drainage, and removing any existing plants. The extent of preparation needed will depend on the type and size of the hardscaping feature being installed.

The Gorham, NH 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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