Frost Line Depth in Jefferson County, Ohio

  • Ohio range from verified codes
  • Checked Oct 2026

No official local value

No official frost line depth is published for Jefferson County.

No verified code nearby; verified Ohio codes range 30–42 in.

Source and how we checked

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

Climate: 116 nights a year at or below 32 °F (NOAA 1991–2020, Steubenville, 7.3 mi).

Checked Oct 2026. Report a correction

Does Jefferson County have an official frost line depth?

No adopted frost line depth found for Jefferson County in its official documents (checked Oct 2026). No verified code lies near Jefferson County; the Ohio codes we verified range from 30 to 42 in. Ask the building department for Jefferson County’s own number before you dig.

What frost line depth does Jefferson County use for footings under Table R301.2(1)?

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

Drawn with the deepest Ohio official value (42 in). Confirm Jefferson County’s own depth before you dig.

Project
House or garage footing in Jefferson County: dig at least 42 in. grade 0 in 122436486072 12 in code minimum nearby codes 42 in, confirm locally dig 42 in

House or garage footing in Jefferson County: dig at least 42 in (107 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).

Using the nearby official value of 42 in until Jefferson County confirms its own
ProjectDepthRule
House or garage footing42 inBelow the frost line and at least 12 in deep (IRC R403.1.4)
Deck footing (attached)42 inBelow the frost line and at least 12 in deep (IRC R507.3)
Water service line48 in6 in below the frost line and at least 12 in deep (IRC P2603.5)
Fence post bottom42 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 Jefferson 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. 116 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 19.2 °F.

NOAA 1991–2020 climate normals, Steubenville station, 7.3 mi away, elevation 992 ft.

Monthly temperatures as a table
°FJanFebMarAprMayJunJulAugSepOctNovDec
Low19.220.627.137.848.957.962.560.854.14231.925
High36.54048.962.271.779.482.981.975.563.55141
91142 nightsJefferson County 116

Jefferson County has fewer freezing nights than 40 of the 80 other Ohio places we track. The Ohio median is 116. Coldest: Geauga County; mildest: Euclid.

How likely is the soil in Jefferson County to heave?

USDA rates the sampled soil around Jefferson County as 13% low, 59% moderate, 28% high for frost action (main soils: Gilpin, Berks, Morristown).

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

Jefferson County at a glance

Frost line depth
No official local value
Population (2023 est.)
64,026
Mean annual temperature
50.9 °F
ZIP codes (23)
43901 · 43903 · 43907 · 43908 · 43910 · 43913 · 43917 · 43925 · 43926 · 43930 · 43932 · 43938 · 43939 · 43943 · 43944 · 43945 · 43948 · 43952 · 43953 · 43961 · 43963 · 43964 · 43971

Sources

  • Climate: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00338025.
  • 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