Nobody Wants to Talk Numbers. We Will.
Every excavation page on the internet says the same thing: "pricing depends on your project." That's true, but it's also useless. You want a number. You want to know if the quote you got is reasonable or if someone's trying to take you for a ride.
We can't give you a fixed price without seeing your site — no honest contractor can. But we can tell you what the real numbers look like in Central New Jersey right now, what actually drives the cost up or down, and what questions to ask when you're comparing estimates.
The Ranges — What Real Projects Cost
These are ballpark ranges based on projects we've completed in Monmouth, Middlesex, and Ocean counties. Your project may land above or below depending on site conditions.
- Basement foundation dig (full-depth, 1,200-1,800 sq ft footprint): $12,000–$25,000+. The biggest variables are depth, soil type, and how far the spoils need to be hauled.
- Crawl space dig (3-4 ft depth): $5,000–$12,000. Less depth means less volume, but access can be tighter.
- Slab-on-grade prep (strip topsoil, grade, compact): $3,000–$8,000. Straightforward if the soil cooperates.
- Yard regrading (drainage correction, 2,000-5,000 sq ft): $2,500–$8,000. Depends on how much fill needs to be moved and whether new material comes in.
- French drain installation (50-100 linear feet): $3,000–$7,000. Deeper drains and longer runs cost more.
- Septic system (new residential, tank + leach field): $15,000–$30,000+. Perc rate, system size, and local health department requirements are the big factors.
- Pool demolition (in-ground concrete or vinyl): $8,000–$18,000. Larger pools with decking, plumbing, and electrical run higher.
- Land clearing (half-acre, moderate brush and trees): $4,000–$12,000. Dense hardwood with large stumps costs more than brush and saplings.
What Drives the Price Up
Rock. Central NJ has areas with shallow bedrock — parts of Colts Neck, Holmdel, and the Navesink Highlands especially. When the excavator hits rock, everything slows down. Breaking rock takes specialized equipment, more fuel, and more time. A foundation dig in sandy Toms River soil and the same dig through Colts Neck shale can differ by $5,000+.
Access. If the excavator can't get to the dig site without crossing a neighbor's yard, going through a narrow side yard, or navigating around a pool, it adds time and complexity. Tight access sometimes means using smaller equipment that moves less material per hour.
Hauling distance. Excavated soil has to go somewhere. If the spoils can be spread or stockpiled on your property, hauling costs are zero. If they need to go to a transfer station or fill site, you're paying per truck load — and each load is typically $200-$500 depending on distance.
Water table. Dig below the water table and you're pumping water out of the hole the entire time. This is common in low-lying areas near the coast, in flood zones, and in areas with high clay content that trap groundwater. Dewatering adds equipment, time, and cost.
What Keeps the Price Down
Good soil. Sandy loam is an excavator's best friend. It digs fast, doesn't stick to the bucket, compacts predictably, and drains well. Large parts of Ocean County and eastern Middlesex County have this soil. Projects in these areas tend to come in at the lower end of the range.
Easy access. A wide-open lot with a driveway that can handle equipment — that's the dream scenario. No gates to remove, no landscaping to protect, no overhead wires to navigate around.
On-site spoils management. If we can spread the excavated material elsewhere on your property or use it for backfill later, you skip the hauling cost entirely.
How to Compare Estimates
When you're getting multiple quotes, make sure you're comparing the same scope. The cheapest estimate might not include hauling, permit fees, or backfill material — and those can add thousands. Ask every contractor:
- Does the quote include hauling and disposal?
- Does it include backfill material or is that separate?
- Does it include permit fees?
- What happens if you hit rock or water? Is there a per-hour overage rate, or is it built into the quote?
- What equipment will you use? (Bigger equipment = faster = sometimes cheaper even though the hourly rate is higher)
A complete quote from an honest contractor looks higher upfront but has no surprises on the back end. A low quote with exclusions can end up costing more than the honest one.
Get a Real Number for Your Project
Every site is different, and the only way to get a real number is to have someone look at it. Frank comes out personally, walks the site, and gives you an honest estimate on the spot — no call centers, no sales reps, no pressure. Call (908) 670-7297 or use the quote form.