
Lost River Caverns country
Excavation Contractors in Hellertown, PA
A Northampton County borough on Saucon Creek, sitting on limestone with a cave under its edge.
- Free on-site estimates
- Written, line-item quote before any digging
- PA One Call request placed before every dig
Limestone Under a Saucon Creek Borough
Excavation contractors in Hellertown do not have to guess about the rock. Lost River Caverns, a natural limestone cavern, is right in the borough, which tells you plainly what lies under much of the ground. Hellertown grew from a 176-acre family property at the southern foot of Lehigh Mountain along Saucon Creek, and now holds 6,132 residents on 1.31 square miles in Northampton County.
What limestone means for a dig
Limestone dissolves slowly along cracks, leaving voids, soft pockets and uneven rock surfaces. The state's stormwater guidance lists the Lehigh Valley among regions where sinkholes are a concern and warns against concentrating runoff into them. In practice, we keep roof and yard water away from foundations, compact trench backfill, and stop to talk if a dig opens a void.
A dense, older borough
Hellertown peaked at 6,716 residents in 1960 and has held near 6,000 since. The 2000 census counted 2,570 housing units at about 1,917 per square mile. Older homes on modest lots mean the work is mostly laterals, garage teardowns, drainage and additions, with compact machines and careful access.
Main Street and I-78
PA Route 412 runs through as Main Street, and I-78 has an interchange just outside the borough. Work on Main Street involves PennDOT; the borough maintains 20.68 of its 24.26 miles of public roads.
Planning a Hellertown project
With 2,570 housing units on about 1.3 square miles, Hellertown is compact. Many homes sit close to the street, with laterals running only a short distance to the main. That keeps lateral jobs smaller, but street restoration is still part of the work when the line crosses the curb.
Saucon Creek runs along the borough, and properties on the low side can stay damp. Our drainage plans send water to legal outlets without concentrating it near a foundation on limestone ground.
We also see a lot of concrete removal here: old walks, patios and driveway aprons that have heaved or cracked. We break them out, haul them to a recycler and leave a compacted base ready for new work.
Common Hellertown jobs
- Sewer lateral trenches
- Downspout lines and yard drainage
- Footings for additions
- Garage, shed and concrete removal
Call (610) 756-2728 or
.What to Know in Hellertown
- Limestone cavern. Lost River Caverns, a natural limestone cavern, is located in Hellertown.
- Setting. The original 176-acre family property sat at the southern foot of Lehigh Mountain along Saucon Creek; elevation is 322 feet.
- Population. Hellertown had 6,132 residents in 2020 on 1.31 square miles, after a 1960 peak of 6,716.
- Roads. As of 2010 the borough had 24.26 miles of public roads, 20.68 borough-maintained; PA 412 runs along Main Street.

Our Services in Hellertown, PA
Hellertown Questions
Is sinkhole risk higher in Hellertown?
The borough sits on limestone, as Lost River Caverns shows. Careful water management and compaction are the main defenses, and we watch for voids during every dig.
Do you work along Main Street?
Yes. Main Street is PA 412, so work in its right-of-way needs PennDOT approval.
Can you replace my sewer lateral?
Yes, including the trench, backfill and surface restoration.
Can you remove an old concrete patio?
Yes. We break it out, haul it, and leave a compacted base or graded soil.
Do you work near Saucon Creek?
Yes, with attention to floodplain limits and erosion controls.
Free Estimates in Hellertown, PA
Free estimates throughout Hellertown.
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