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TRUSTED BY WARNER, NH HOMEOWNERS

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    Average homeowner rating
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    Verified excavation services reviews

Top-Rated Excavation pros in Warner - Updated Nov 2026

McAdams Excavation & Landscaping
3.9(
27
)
Landscape - Minor Grading or ReslopingExcavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Warner, NH and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"The attention to detail of the work was top rate. We had three sink holes in our yard that they took care of for us, as well as spreading loam for us to start a lawn in the spring. I very highly recommend McAdams Excavation."
Response time1 day
26 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Quantum Contracting, LLC
Quantum Contracting, LLC
4.3(
38
)
Excavation - Major Grading or ReslopingLandscape - Minor Grading or ReslopingBuilding Site - Preparation and Clearing+2 more

Serving Warner, NH and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"We hired Tyler and his crew from Quantum Contracting LLC to build a 10 x 12 pool deck and they did an awesome job. Hardworking, pleasant and professional. They cleaned up the area every night when they left and when the project was completed. Very skilled in their detail and carpentry work. We are so pleased with the end result and look forward to using it this summer. We would hire them again for any project and we highly recommend them. Paula and Stephen Russell"
Small Garden
Complete Landscape Renovation
Grade Work
Brick Pathway
Small Retaining Wall

+23

Response time2 days
Response rate89%
10 neighbors recently requested a quote
Avatar for Kaynicki Janitorial
Kaynicki Janitorial
4.7(
13
)
Building Site - Preparation and Clearing

Serving Warner, NH and surrounding areas

Approved

In business since 1998

Free estimates

Offers commercial services

Serving our community since 1998, Kaynicki Janitorial delivers dependable, high-quality cleaning and site services. We specialize in everything from commercial janitorial maintenance and post-construction cleaning to light demolition, building site preparation, and junk/debris removal. With over two decades of hands-on experience, we get the job done right the first time. Contact us today for a estimate!

Photos
2 neighbors recently requested a quote
Recommended by81%of homeowners
Dolloff Lawncare
3.1(
17
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Warner, NH and surrounding areas

Approved

In business since 2002

Customers say: Quick response

"Even though Dolloff Lawncare was the ONLY business that responded to my request for services, Mr. Dolloff was very professional, kept in constant communication, came when promised and did a fantastic job of completing my project. He will also follow up occasionally to ensure that the job was finished. Not impressed with the other two companies NOT responding in any way."
7 neighbors recently requested a quote
Recommended by90%of homeowners
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Excavating FAQs, answered by experts

When planning excavating work in Warner, account for the area's shallow granite ledge, which requires specialized rock-breaking equipment. You must also consider the 48-inch frost line to prevent frost heave damage to foundations and utilities. Spring mud season makes site access difficult, so schedule projects carefully. Finally, always call 811 before digging to locate buried utilities, and secure necessary permits if your property sits near local wetlands or steep slopes.

Helpful?

Proper excavating around your Warner home directly eliminates chronic basement moisture and mold by directing groundwater away from the foundation. Upgrading an aging septic system restores reliable sanitation, while excavating for a drilled well ensures access to clean water. Grading sloped lots prevents dangerous ice buildup near entryways during harsh NH winters. Furthermore, burying overhead utility lines protects your home from power outages caused by heavy snow and ice storms.

Helpful?

Failing to perform excavating below the 48-inch frost depth causes severe frost heave damage to foundations and pipes. Skipping proper soil testing for septic systems in Warner leads to total system failure and groundwater contamination. You must also implement strict erosion controls on sloped terrain to prevent sediment runoff. Finally, improper backfill compaction around trenches causes the ground to settle, which damages utility connections and undermines driveways across NH.

Helpful?

Because Warner lacks a municipal sewer system, inspecting and excavating for a septic upgrade is a top priority to ensure safe sanitation. Next, assess your foundation drainage and site grading to direct surface water away from the structure, preventing chronic moisture issues. You should also locate and document all buried utility lines before starting any landscaping projects. Finally, rebuild your driveway base to prevent severe damage during the NH mud season.

Helpful?

Hitting hidden granite ledge during excavating halts progress, requiring a second visit for rock breaking. In NH, mandatory permit sequencing and phased septic inspections also dictate multiple visits. Winter weather and frozen ground force late-season projects to pause until the spring thaw. Additionally, narrow rural driveways limit equipment size, and unexpected groundwater in valley soils demands extra time for dewatering, extending the overall timeline of your Warner project.

Helpful?

The Warner, NH homeowners’ guide to excavation services

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