Frostline.info

Frost line depth in Luzerne County, Pennsylvania

Frost reaches about 35 inches in typical soil across Luzerne County, from 34″ in the mildest ZIP code to 37″ in the coldest. Codes in this climate commonly set footing depth at 30 to 42 inches.

Deep frost
Estimated frost depth
35″
typical silt/loam soil
Typical code footing depth
30–42″
rule of thumb for this climate
Design freezing index
1,257
°F-days, 100-year winter
ZIP codes covered
32
#22 of 68 counties in PA (1 = deepest)
35″ 0″12″24″36″48″60″ ground frozen
Est. frost (typical soil) Typical code footing depth Clay–sand range

Frost depth by soil type

Soil typeEst. frost depth
Sand / gravel (drains well)44″
Silt / loam (typical yard soil)35″
Clay (holds water)30″

County average. Methodology.

Verify before you dig. These are climate-based estimates. The legally required frost depth is the figure your building department publishes in its IRC Table R301.2 (climatic and geographic design criteria). Call the Luzerne County building or permitting office in Pennsylvania and call 811 before digging.

Frost depth by ZIP code in Luzerne County

ZIPCityEst. frostCode range
18201Hazleton34″30–42″
18202Hazleton34″30–42″
18222Drums35″30–42″
18224Freeland35″30–42″
18241Nuremberg34″30–42″
18249Sugarloaf34″30–42″
18612Dallas36″30–48″
18617Glen Lyon34″30–42″
18618Harveys Lake36″30–48″
18621Hunlock Creek34″30–42″
18622Huntington Mills34″30–42″
18634Nanticoke34″30–42″
18635Nescopeck34″30–42″
18640Pittston37″30–48″
18641Pittston37″30–48″
18642Duryea37″30–48″
18643Pittston37″30–48″
18644Wyoming37″30–48″
18651Plymouth35″30–42″
18655Shickshinny34″30–42″
18656Sweet Valley35″30–48″
18660Wapwallopen34″30–42″
18661White Haven34″30–42″
18701Wilkes Barre34″30–42″
18702Wilkes Barre34″30–42″
18704Kingston35″30–42″
18705Wilkes Barre35″30–42″
18706Wilkes Barre34″30–42″
18707Mountain Top34″30–42″
18708Shavertown35″30–48″
18709Luzerne35″30–42″
18711Wilkes Barre35″30–42″

What this means for your project in Luzerne County

Deck footings & piers

Footings must bear below the frost line and at least 12″ below undisturbed ground. For planning in this area, budget for holes around 42″ deep until your permit office confirms the exact figure.

Fence posts

Set posts at least one-third of their above-ground height. Where frost heave is a problem, carry concrete footings below the frost line (about 35″ here in typical soil) and bell or taper the bottom.

Water & irrigation lines

Bury supply lines below the frost depth. Your water utility or plumbing code sets the minimum cover; in a climate this cold, 4 feet or more is common for service lines.

Slabs & frost-protected foundations

Frost-protected shallow foundations (IRC R403.3) use the 100-year air freezing index — 1,257 °F-days here — to size perimeter insulation, letting footings sit shallower than the frost line.

Weather stations used

NOAA weather stationDistance100-yr AFI
Freeland, PA13 mi1,255
Palmerton, PA33 mi929
Stroudsburg, PA43 mi1,139
Montrose, PA45 mi1,559

Nearby counties

Common questions

What is the frost line depth in Luzerne County?

About 35 inches in typical soil, based on NOAA's 100-year air freezing index. Across the county's ZIP codes the estimate runs from 34 to 37 inches.

How deep should footings be in Luzerne County, Pennsylvania?

Codes in climates like this commonly require 30 to 42 inches. The Luzerne County building department publishes the required frost depth in its adopted code (IRC Table R301.2).

Does frost depth vary within Luzerne County?

Very little. Estimates across the county stay within 3 inches. Soil type matters more than location here.