Excavation & Site Work in Hebron, NH

Hebron is a hill town with a lake at the bottom of it. Fifty-five percent of the land is steep enough that the master plan calls it a “critical resource,” and the ordinance only lets you disturb 10,000 square feet of the really steep stuff for a house, a well, and a drive combined. Most of our excavation here is one of two jobs: a new foundation cut into a slope above the shore roads, or an old camp coming off its posts so a real foundation can go under it. Both start with the same question. Where’s the flat?

Local Knowledge

Excavation & Site Work in Hebron

The numbers explain the town. Roughly 2,047 acres of Hebron are steeper than 25 percent and another 3,809 acres run between 15 and 25. The zoning turns that into a rule called usable land: for a building lot you need two acres in the Lake and Rural Districts, one in the Historic District, and ground over 25 percent doesn’t count at all while ground between 15 and 25 counts half. On top of that, no more than 10,000 square feet of very steep slope can be altered for construction, and none of it can be if an Order 1 soil survey says the soils are highly erodible — not without a special exception from the ZBA. So before we quote a hillside dig we want the slope map and the soil map, not just the plot plan.

The other job is the conversion. In 1960 seven of every ten houses in Hebron were summer places. By 2000 it was six in ten, and the direction hasn’t changed — camps on Indian Point, along Berea Road, up the West Shore, getting a frost-depth foundation and a septic system sized for twelve months. The town treats that as new construction: building permit filed at least 21 days ahead, a $275-a-day fine if you skip it, and here’s the one that matters to us — the permit lapses in a year unless the foundation and the septic are done and signed off by the compliance officer. The state septic approval has to exist before the town issues the permit at all. That’s why we like it in hand before the camp comes off its posts.

Setbacks are simple in Hebron and people still miss them. Fifty feet from the traveled edge of any highway, 25 from a lot line, 50 from the high-water mark of the lake, and no more than 30 percent of the lot covered. The ordinance asks 150 feet of water frontage on a new lot; it was 100 when the 2005 master plan was written, and lots cut under the old number are still out there. On one of those the box can be small. We stake the corners and shoot the elevations before the excavator arrives so nobody learns about the highway setback with the footings already poured.

And the lake lots are lake lots. Mowglis alone has 1,300 feet of Newfound shoreline; the cottage lots on either side of it have a fraction of that. Whatever we open up on a Lake District parcel drains to the lake unless it’s held, so silt fence and a stone entrance go in before the topsoil comes off. We’ve had jobs where the erosion control cost more than the dig. That’s the right order of things on Newfound.

Hebron Tip

On a Hebron hillside, the cheapest foundation is the one that sits where the ground already flattens. Fighting a 25-percent slope with fill costs more than a longer driveway to the bench, and the ordinance is on the side of the bench.

What a Hebron Dig Involves

Test pits first, always. The soils along the Cockermouth and up near Georges Brook are sand and gravel over an aquifer — they dig easy and drain fast. The hillsides are till with ledge close under it; the Town Forest has a trail named Cockermouth Ledge for a reason. A couple of pits with the machine tell us which one you’ve got, and that’s the difference between a one-day foundation hole and a week with a hammer.

For a camp conversion the sequence is: shore or lift the building, pull the posts or the block piers, dig the full frost-depth hole under it, footings and walls, backfill with clean gravel, and set it back down. On a tight lot we bring the smaller excavator and accept that it takes longer. For new construction on a slope we cut the bench, bring the spoil down to where the drive or the septic can use it, and terrace what’s left instead of building a wall of fill above a neighbor.

Every job gets a Dig Safe ticket, a stabilized entrance, and silt fence on the downhill edge before the first bucket. In the Lake District that isn’t a nicety. It’s the part the town and the lake association will both notice.

Foundation excavation in Hebron runs $3,000–$10,000 for a typical house, with steep Lake District lots and camp lifts at the top of that and sandy Cockermouth-valley ground at the bottom. Machine and operator are $110–$200 an hour for smaller work. Test pits before the number, so the number holds.

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Straight Answers

Common Questions

How steep is too steep to build on in Hebron?

Legally, nothing is off-limits outright — the master plan notes the ordinance allows structures on slopes over 25 percent. But that ground can’t count toward your two usable acres, you can only alter 10,000 square feet of it for construction, and if an Order 1 soil survey flags it as highly erodible you need a special exception. Practically, we look for the bench.

What’s the permit clock on a camp conversion?

The building permit lapses one year from issue unless the foundation and the septic system are both complete and accepted by the compliance officer, and two years for framing and exterior. Since the state has to approve the septic design before the town issues the permit at all, we schedule the dig around that approval, not the other way around.

Do you need a soil survey for every lot?

No. It comes up when the lot has very steep ground and the town wants to know whether the soils on it are highly erodible — that’s an Order 1 survey stamped by a licensed soil scientist. On a flat Cockermouth-valley lot or an ordinary hillside under 25 percent, test pits with the machine are usually all the soils work anyone needs.

My camp is on a summer cottage road. Anything different?

One thing: the building permit application needs a recorded Agreement and Release if the dwelling is on a Class V Summer Cottage Road or a Class VI road. Stokes Road, Hunt Road, and part of Pike Hill are on that list. Get it recorded before you file, and plan the dig for a month the road is actually open.

How do you keep a hillside dig out of the lake?

Silt fence on the downhill edge, a stone entrance so trucks don’t track mud onto North Shore Road, and we don’t strip more than we can stabilize that week. Everything in Hebron drains to Newfound eventually. The Lake District runs 500 feet back from the shore roads, and on most of those lots you can see the water from the hole.

Need Excavation & Site Work in Hebron?

Free site walks, test pits before quotes, flat pricing, and a crew that knows Lakes Region ground.

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  • Free site walk — no obligation
  • Flat quote in writing before a machine moves
  • Test pits before we quote, so ledge isn't a change order
  • Dig Safe 811 called on every job
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