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Gravel Pads & Concrete Foundation

Foundations

Gravel Pads &
Concrete Foundation

Extending the lifetime of your backyard structure.

Explore Foundations Get a Free Estimate

Trusted by Thousands of Homeowners Across the Mid-Atlantic

5.0 · 2,537 reviews OSHA Certified PMSA Certified Licensed: PA, DE, NJ, NY
Who We Are & Why Choose Us

Craftsmanship You Can See. Professionalism You Can Feel.

At Site Prep, we believe every long-lasting structure starts with an uncompromising foundation. Founded on Christian values, honesty, and genuine care for people, we don’t just move dirt — we preserve what you build from day one.

As a full-service site preparation contractor, we pair cutting-edge technology with an old-school work ethic on every job. From residential shed pads to commercial excavation, we respect your time, treat your property like our own, and deliver results that stand the test of time.

Our Purpose

Extending the Lifespan of What You Build

An improper base leads to settling, rotting, and costly damage. Our purpose is simple: build precise, engineered foundations and site prep solutions that protect your investment and extend your structure’s life for decades.

Our Vision

Setting a New Benchmark in Contracting

We envision a contractor experience defined by kindness, punctuality, and zero broken promises. We invest in thriving, OSHA-certified crews and organized job sites where customers feel confident from the first call to final inspection.

Our Standard

Precision Engineering, Not Guesswork

We invest in GPS-guided excavation, digital laser transits, and certified drainage materials. When we grade, level, or pour concrete, it is exact down to the fraction of an inch.

Areas of Expertise

Expert Services Tailored to Your Project

Gravel Pads & Concrete Foundations

Extending the life of your structure.

Gravel Pads & Concrete Foundations

100% satisfaction guaranteed. We use compact equipment for minimal yard damage.

Foundation Services
Site Management & Excavation Services

Precision and complexity handled right.

Site Management & Excavation Services

Precision grading, modern equipment, and OSHA-certified crews.

Excavation Services
Onsite Septic & Sewer Systems

Vital solutions. Code compliance. Stress-free.

Onsite Septic & Sewer Systems

End-to-end solutions from permits to installation.

Sewer Services
Premium Backyard Turf

A lifestyle upgrade. Happy pets, clean home.

Premium Backyard Turf

Mud-free, low-maintenance turf, patios and pads for pets, playgrounds, and outdoor living.

Turf Options

The right project starts
with the right conversation.

Most estimates provided within 24 hours — no obligation.

Mike Dienner Partner/Sales VP

Expert Guidance

Not sure what exactly your project requires?

Upload a photo of your site or describe your problem — our team will provide a cost-effective, precise solution.

Optional
Accepted file types: jpg, jpeg, png, heic, webp, Max. file size: 3 GB.

Why Customers Choose Us

Real Craftsmanship. Real People. Real Results.

Proven Expertise

Over a decade of hands-on experience delivering high-quality work in every division across our company.

Exceptional Service

We listen, explain clearly, and always follow through — no broken promises, ever.

Skilled & Responsive Crews

Installers and surveyors who communicate, show up on time, and get it done right.

Customer-First Approach

We prioritize kindness, clarity, and cost-effective solutions on every single project.

Flexible & Far-Reaching

Willing to travel up to 4 hours and tailor services to each unique project and property.

Practical Benefits

Excavation done on time, level play areas, clean dog yards, and customized foundations that enhance daily life.

Done Right the First Time

4 Steps to Success

Get a Free Estimate

Free Estimate & Clear Communication

Reach out with your project details. We'll provide a customized, free estimate and honest advice — often without visiting the property. Send us photos and dimensions to get started fast.

Seamless Scheduling

Once your quote is approved and the deposit is placed, we lock in your schedule. Most projects are on our calendar within 1–2 weeks. We'll confirm your date via text or call.

Professional Execution

Our skilled, responsive crews show up on time with the right equipment. We work efficiently, respect your property, and communicate throughout the entire process.

Final Walkthrough & Support

We ensure you feel confident and proud of the result from the first call to the final walkthrough. If anything isn't right, we come back out and fix it — no questions asked.

Where We Work

Serving Projects Across 15+ States

From local sewer and utility installations to major site prep construction and foundation projects across the Eastern US and Midwest, Site Prep goes where quality groundwork is needed. Headquartered in Gap, PA, our crews handle daily regional operations in Pennsylvania and Maryland while deploying dedicated teams for extensive site preparations across more than 15 states.

Don't see your county? We travel up to 4 hours for the right project. Request a quote and we will let you know.

Real Projects. Proven Results.

Explore our recent projects where precision meets professionalism.

Jessica H. – Gravel Shed Foundations in West Creek, NJ Foundations Jessica H. – Gravel Shed Foundations in West Creek, NJ West Creek, NJ View Project Details Jane S. – Gravel Driveway Project in Bethlehem, PA Excavation Jane S. – Gravel Driveway Project in Bethlehem, PA Bethlehem, PA View Project Details Septic System Replacement In Upper Leacock, PA Sewer Septic System Replacement In Upper Leacock, PA View Project Details David L. – Concrete Foundation in Pottstown, PA Artificial Turf David L. – Concrete Foundation in Pottstown, PA Pottstown, PA View Project Details Norm M. – Gravel Shed Foundation in Atglen, PA Foundations Norm M. – Gravel Shed Foundation in Atglen, PA Atglen, PA View Project Details Commercial Excavation Project In Whitehorse, PA Excavation Commercial Excavation Project In Whitehorse, PA View Project Details Stevie F. – New Septic System Install In Strasburg, PA Sewer Stevie F. – New Septic System Install In Strasburg, PA View Project Details Sheena W. – Artificial Turf Dog Yard in East Norriton, PA Artificial Turf Sheena W. – Artificial Turf Dog Yard in East Norriton, PA East Norriton, PA View Project Details David G. – Gravel Shed Foundation and Shed Demo in Orefield, PA Foundations David G. – Gravel Shed Foundation and Shed Demo in Orefield, PA Orefield, PA View Project Details Tony W. – Gravel Shed Foundation in Frederick, MD Foundations Tony W. – Gravel Shed Foundation in Frederick, MD Frederick, MD View Project Details Velma K. – Stone Foundation in Atglen, PA Foundations Velma K. – Stone Foundation in Atglen, PA Atglen, PA View Project Details Rebecca G. – Stone Shed Foundation in Alexandria, VA Foundations Rebecca G. – Stone Shed Foundation in Alexandria, VA Alexandria, VA View Project Details Brenda O. – Stone Foundation in Wiley Ford, WV Foundations Brenda O. – Stone Foundation in Wiley Ford, WV Wiley Ford, WV View Project Details Terri M. – Stone Gazebo Foundation in Newville, PA Foundations Terri M. – Stone Gazebo Foundation in Newville, PA Newville, PA View Project Details In C. – Stone Foundation and Shed Demo in Plymouth Meeting, PA Foundations In C. – Stone Foundation and Shed Demo in Plymouth Meeting, PA Plymouth Meeting, PA View Project Details PATRICK L. – Stone Foundation In Downingtown, PA Foundations PATRICK L. – Stone Foundation In Downingtown, PA View Project Details Henry F. – Shed Foundation, Shed Demo in Downingtown, PA Foundations Henry F. – Shed Foundation, Shed Demo in Downingtown, PA Downingtown, PA View Project Details Brian F. – Artificial Turf PlaySet Base in Chester Springs, PA Artificial Turf Brian F. – Artificial Turf PlaySet Base in Chester Springs, PA Chester Springs, PA View Project Details Ed G. – Concrete Piers in Leola, PA Foundations Ed G. – Concrete Piers in Leola, PA Leola, PA View Project Details Danielle S. – Gravel Shed Foundation Foundations Danielle S. – Gravel Shed Foundation View Project Details Mike F. – Gravel Shed Foundation in New Holland, PA Foundations Mike F. – Gravel Shed Foundation in New Holland, PA New Holland, PA View Project Details Joseph R. – Gravel Shed Foundation Foundations Joseph R. – Gravel Shed Foundation View Project Details Teresa C. – Gravel Shed Foundation Install Foundations Teresa C. – Gravel Shed Foundation Install View Project Details Richard H. – Gravel Shed Foundation Project Foundations Richard H. – Gravel Shed Foundation Project View Project Details Janos S. – Gravel Shed Foundation in Clear Spring, MD Foundations Janos S. – Gravel Shed Foundation in Clear Spring, MD Clear Spring, MD View Project Details Jorge G. – Artificial Turf & Flag Stone Install In Philadelphia, PA Artificial Turf Jorge G. – Artificial Turf & Flag Stone Install In Philadelphia, PA View Project Details John T. – Gravel Shed Foundation In Knoxville, VA Foundations John T. – Gravel Shed Foundation In Knoxville, VA View Project Details James S. – Gravel Shed Foundation In Rumson, NJ Foundations James S. – Gravel Shed Foundation In Rumson, NJ View Project Details
View All Projects

Testimonials

Craftsmanship You Can See. Professionalism You Can Feel.

EXCELLENTBased on 2,537 reviewsGoogleWrite a review
n121pp67Amazing! Steve and Josh did a first class job! Thank you site prep!Read moreDamienExceptional customer service, hard-working crew, clear communication during managing the project. 10/10 would hire them again in a heartbeat.Read moreDuane MellottCrushed stone base with 4x6 pressure treated wood border for 12’ x 16’ Amish wooden shed. Excellent job done by Jonahs and Dave(I think). They paid attention to all details and my concerns regarding placement and setbacks and worked very efficiently. Cleaned up everything afterwards and the installation was done fast and looks great. So glad I didn’t try to do myself!Read morebeverly koloianThe contractor showed up on time and finished the job ahead of time. Courteous, professional, and able to answer all of my questions. Would highly recommend them. The price was higher than I expected, but after checking around and comparing estimates (apples to oranges) I decided to go with Site Prep. Glad I did, their work is solid.Read moreSteve MoskowitzIn, out, perfect job. No question use these guys!Read moreEric W.We are very pleased with the work that was done to prepare the foundation for a medium size storage shed. The guys showed up at the agreed upon time and did a fantastic job. Highly recommend.Read moreJeffrey GarrisonDid an amazing jobRead moreDiane WhiteThey did a great job they also make sure they cleaned up very well, especially when the stones drop on the grass They were picking every piece up. Thank you very much soon the shed will be coming!!! DianeRead moreErin S.We had the best team to do the foundation for a garage! The guys were incredibly hard workers, and extremely friendly and polite. An added bonus was a beautiful package of construction vehicles that arrived today for our 2 year old son who was enamored by the skid steers and dump trucks! Site Prep, you guys are awesome!!! Thank you!!!Read moreJean Mae SmithTop knotch. Obvious professional and thorough pre-planning. Expert shed base installation on site. Really none better.Read moreErnest AffluVery timely and professional team recommended by muse. They lived up to expectations. I’ll recommend Site prep anytime without reservation. The entire team, including but not limited to Ed, AJ., Ben, Michael etc were fantastic. The price charged was higher than that estimated by muse but it was totally worth it. The clean up was immaculate too. Thanks to the entire site prep team.Read moreFrances McLainAJ and James were amazing! They were professional, knowledgeable, extremely respectful and polite. They did exceptional work today and I’d gladly have them work on my property in the future.Read more

Get Started Today

Ready to extend the life of your structure or upgrade your property?

Briefly describe your project, and our responsive team will provide a customized, free estimate.

Get A Free Estimate
  • Free, no-obligation estimate
  • Response within 24 hours
  • Serving 15+ states
  • Licensed, insured & OSHA certified
  • 2,200+ five-star reviews

Frequently Asked Questions

Questions About Site Prep? We Have Answers.

What is the process for getting a quote on my project?

We’ve tried to make the process as simple as possible:

  1. Submit your job details via our quote request form. You can also upload pictures of your site through this form, which speeds up the process and ensures the accuracy of your quote.
  2. Our estimators will put together a quote for your job and send it to you via email.
  3. When you’re happy with the quote, an initial deposit will secure your place in our job calendar.

For more in-depth jobs (such as garage foundations or residential excavation work) we may also schedule an on-site visit to make sure we have all the necessary measurements and site details required for an accurate quote.
Simple jobs (such as most shed pads) can be quoted using only photos of your site.

What services do you offer?

We provide a variety of site preparations for residential and commercial structures. These services include:

  • Gravel pads – Typically used for shed foundations, but also used for hot tub pads, fire pit areas, gazebo foundations, and more.
  • Concrete foundations – Most commonly used for garages and other large buildings.
  • Residential excavation – This includes septic installations, house footers, final site grading, and more.
  • Swingset bases – Similar to our gravel pads, but with a top layer of wood chips for protection.
  • Shed demolition – We can get rid of that old shed or garage!
  • Drainage systems – Meeting code requirements for water runoff and drain management around new outbuildings.
  • Horse stall mats – These rubber mats protect animals in equine facilities.

You can see all of our site preparation services here.

What is your service area?

Our service area for most of our site preparation services includes:

For some services, particularly our residential excavation services, we serve a radius of approximately 75 miles around Gap, PA.

Do you have examples of your completed work?

Yes! You can see examples of our site preparation work in our recent jobs portfolio. We have photos from 100s of past jobs so you can get a broad overview of the type of projects we do.

How long have you been in business?

Site Prep was founded in 2014 when we saw a need for consistent, high-quality foundations for the prefabricated shed industry. From there, we grew our services to include a wide range of site preparation work.

Over the years, God has blessed us with a great team and 1000s of wonderful customers who refer us to their friends and family. In fact, we were named to the 2021 Inc. 5000 list of the fastest-growing private companies in America!

You can learn more about us, our mission, and our team here.

How do I know that I can trust Site Prep?

Always check the reviews of any contractor before you hire them! You can read reviews on a contractor’s website (ours are here), but you should primarily trust reviews from third-party sites that the contractor does not control. You can find our Google reviews here and our Facebook reviews here.

Site Preparations LLC is fully insured and licensed to perform site preparation work. Our license number is PA118139.

What is the best way to contact Site Prep?

To request an estimate on a job, use our free quote form. This form goes straight to our estimators and they will get back to you promptly with a quote on your job.

For all other inquiries, you can use our contact form or call us at 717-799-7311.