Frost Line Depth in Highland County, Ohio

  • 2 verified codes nearby
  • Checked Oct 2026

No official local value

No official frost line depth is published for Highland County.

Nearby official codes require 32 in (2 verified codes).

Source and how we checked

We searched this place’s own code and website and found no published frost line depth.

Climate: 115 nights a year at or below 32 °F (NOAA 1991–2020, Hillsboro, 3.4 mi).

Checked Oct 2026. Report a correction

Does Highland County have an official frost line depth?

No adopted frost line depth found for Highland County in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 32 in. Use the deepest of them until the building department confirms Highland County’s own number.

What frost line depth does Highland County use for footings under Table R301.2(1)? Is it 32 in, like Springfield?

How deep do footings, decks and water lines need to be in Highland County?

Drawn with the deepest nearby official value (32 in). Confirm Highland County’s own depth before you dig.

Project
House or garage footing in Highland County: dig at least 32 in. grade 0 in 122436486072 12 in code minimum nearby codes 32 in, confirm locally dig 32 in

House or garage footing in Highland County: dig at least 32 in (81 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).

Using the nearby official value of 32 in until Highland County confirms its own
ProjectDepthRule
House or garage footing32 inBelow the frost line and at least 12 in deep (IRC R403.1.4)
Deck footing (attached)32 inBelow the frost line and at least 12 in deep (IRC R507.3)
Water service line38 in6 in below the frost line and at least 12 in deep (IRC P2603.5)
Fence post bottom32 inNo code rule; common practice is below the frost line

Work out posts, concrete and footing sizes with the fence post depth calculator or the deck footing calculator.

How cold does it get in Highland County?

  1. J
  2. F
  3. M
  4. A
  5. M
  6. J
  7. J
  8. A
  9. S
  10. O
  11. N
  12. D
0°32°100° J F M A M J J A S O N D 32 °F

Average lows are at or below freezing from Nov to Mar. 115 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 19.4 °F.

NOAA 1991–2020 climate normals, Hillsboro station, 3.4 mi away, elevation 953 ft.

Monthly temperatures as a table
°FJanFebMarAprMayJunJulAugSepOctNovDec
Low19.421.529.439.249.958.561.860.25341.831.624.6
High38.842.552.564.773.681.584.683.47866.753.843.1
91142 nightsHighland County 115

Highland County has fewer freezing nights than 48 of the 80 other Ohio places we track. The Ohio median is 116. Coldest: Geauga County; mildest: Euclid.

What frost line depth do towns near Highland County use?

2 official codes near Highland County are verified; each links to its document.

Official frost line depths near Highland County
PlaceVerified frost lineDistance
Springfield 32 in 52 mi away
Columbus 32 in 64 mi away

How likely is the soil in Highland County to heave?

USDA rates the sampled soil around Highland County as 34% low, 23% moderate, 44% high for frost action (main soils: Negley, Rossmoyne, Jonesboro).

USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.

Highland County at a glance

Frost line depth
No official local value
Population (2023 est.)
43,614
Mean annual temperature
52.3 °F
ZIP codes (15)
45118 · 45123 · 45132 · 45133 · 45135 · 45142 · 45154 · 45155 · 45159 · 45171 · 45172 · 45612 · 45660 · 45679 · 45697

Sources

  • Climate: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00333758.
  • Soil: USDA NRCS Soil Survey (SSURGO) frost action ratings.
  • Code rules: International Residential Code R403.1.4, R507.3, P2603.5.

Checked Oct 2026. How we verify · Report a correction