Frost Line Depth in Hamilton, OH: Springfield Requires 32 in

No official local value

No official frost line depth is published for Hamilton.

Nearby official codes require 32 in (1 verified code).

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, Hamilton Butler Co Regional Airport, 3 mi).

Checked Oct 2026. Report a correction

Footings Deck Water line Fence post

32 in1 verified code within 55 mi
116nights a year at or below 32 °F
59%of nearby soil rated “high” for frost action (USDA)

Does Hamilton have an official frost line depth?

No adopted frost line depth found for Hamilton 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 Hamilton’s own number.

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

Call 811 (OUPS (Ohio811)) at least a few working days before you dig, so buried lines are marked.
Confirm the frost line depth with the Hamilton building department.
Ask whether your project needs a permit (decks, larger sheds and footings usually do).
Dig below 32 in (the deepest nearby value) unless the building department tells you otherwise.
Book the footing inspection before you pour concrete.

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

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

House or garage footing Deck footing Water service line Fence post

House or garage footing in Hamilton: 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 Hamilton confirms its own
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 Hamilton?

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 21.5 °F.

NOAA 1991–2020 climate normals, Hamilton Butler Co Regional Airport station, 3 mi away, elevation 634 ft.

Monthly temperatures as a table

°F	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Low	21.5	23.4	31.8	41.6	51.8	60.5	64.3	62.4	53.8	41.9	31.7	25.7
High	39.9	43.7	53.9	66.6	75.4	83.2	86.8	85.9	79.6	67.7	54.7	43.6

Hamilton has fewer freezing nights than 40 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 Hamilton use?

One official code near Hamilton is verified.

Official frost line depths near Hamilton
Place	Verified frost line	Distance
Springfield	32 in	55 mi away

How likely is the soil in Hamilton to heave?

Moderate 41%High 59%

USDA rates the sampled soil around Hamilton as 41% moderate, 59% high for frost action (main soils: Eden, Genesee, Landes).

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

Hamilton at a glance

Frost line depth: No official local value
County: Butler County
Population (2023 est.): 62,997
Mean annual temperature: 53.8 °F
ZIP codes (4): 45011 · 45013 · 45014 · 45015