Excavation and Site Prep

Suffolk and Nassau Counties, NY

Emergency Service

Free Estimates

Lifetime Installation Warranty

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Enhancing Your Property With Professional Excavation

John Willis Cesspool is your reliable partner for excavation and site preparation in Suffolk and Nassau counties in New York. Our family-owned business has shaped landscapes and built foundations since 1991. Our team has 45+ years of industry experience, and we specialize in creating new possibilities for your property through careful and precise excavation.


Our fully licensed, insured, and certified team excels in innovative/alternative onsite wastewater treatment systems, making sure each project meets the highest industry standards.

At John Willis Cesspool, we know that excavation requires precision, safety, and expertise to create the ideal foundation for construction projects. Our services cater to a wide range of needs, from new driveways and swimming pools to emergency septic services. We're available 7 days a week and offer free, no-obligation, next-day estimates along with lifetime installation workmanship warranties.


Interested in starting your excavation project? Contact us today to explore your options.

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Why Hire John Willis Cesspool

Emergency services

Lifetime installation warranty

Free estimates

Work with your insurance

Fully licensed, certified, and insured

45+ years of experience

John Willis Cesspool
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Backfilling Services

Our backfilling services ensure the stability and durability of your construction projects. We use quality materials and advanced techniques to properly fill and compact excavated areas, preventing future settling and structural issues.

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Basement Digging

Looking to expand your living space? Our basement digging services can help create that extra room you desire. We carefully excavate to the right depth, guaranteeing proper drainage and a solid foundation for your new basement.

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Crane Rental Service

For challenging lifting tasks, our crane rental service is available. We provide modern cranes operated by skilled professionals, making even the toughest excavation jobs safe and manageable.

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Demolition Services

When you need to clear space for new construction, our demolition services are here to help. We handle projects of all sizes, from small structures to larger buildings, always prioritizing safety and efficiency.

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Driveway Excavation

A durable driveway starts with proper excavation. Our team ensures the correct depth and grade, preparing a solid base for a long-lasting driveway.

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Foundation Excavation

The foundation is crucial for any structure. Our foundation excavation services provide the ideal start for your building project, guaranteeing stability and longevity for your home or business.

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Landscape Excavation

Improve your outdoor space with our landscape excavation services. We can create the perfect terrain for your dream garden, patio, or water feature, boosting your property's appeal and value.

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Pond Construction

Add a touch of serenity to your property with our pond construction services. We'll excavate and shape the ideal spot for your new water feature, creating a peaceful retreat in your backyard.

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Sidewalk Excavation

New sidewalks need careful preparation. Our sidewalk excavation services provide a level, well-drained base for safe and durable walkways.

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Swimming Pool Excavation

Ready for a backyard pool? Our swimming pool excavation services are the first step. We'll carefully dig and shape the area to your specifications, preparing for countless summer memories.

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Yard Leveling

Yard leveling minimizes tripping hazards, prevents water buildup near foundations, prepares for landscaping projects, improves outdoor living spaces, and boosts lawn health and appearance. We have the time, talent, and tools to handle your project!

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$25 OFF Line Cleaning

Get $25 OFF any line cleaning service

in Suffolk and Nassau counties, NY.

Call Now for Service

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(631) 268-0870

$25 OFF Line Cleaning

Get $25 OFF any line cleaning service

in Suffolk and Nassau counties, NY.

Call Now for Service

Not valid with any other offers or promotions. Restrictions apply.
Must mention this coupon at the time of scheduling.
(631) 268-0870

$100 OFF Cesspools

Get $100 OFF a new cesspool system

installation by John Willis Cesspool.

Contact Us for Service

Not valid with any other offers or promotions. Restrictions apply.
Must mention this coupon at the time of scheduling.
(631) 268-0870
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Here's what our satisfied customers are saying...

At  John Willis Cesspool, we take pride in providing professional excavation and site preparation services to our customers. We would be most grateful if you would share your thoughts about our business with others. This feedback helps us improve and aids others in making more informed decisions about the service providers they hire. Please take a moment to leave a review of John Willis Cesspool and let others know what you think. Thanks.