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.
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).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 32 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 32 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 38 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 32 in | No 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?
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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
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 19.4 | 21.5 | 29.4 | 39.2 | 49.9 | 58.5 | 61.8 | 60.2 | 53 | 41.8 | 31.6 | 24.6 |
| High | 38.8 | 42.5 | 52.5 | 64.7 | 73.6 | 81.5 | 84.6 | 83.4 | 78 | 66.7 | 53.8 | 43.1 |
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.
| Place | Verified frost line | Distance |
|---|---|---|
| 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