Frost Line Depth in Catoosa County, GA: Georgia Codes Range 5

No official local value

No official frost line depth is published for Catoosa County.

No verified code nearby; verified Georgia codes range 5–12 in.

Source and how we checked

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

Climate: 84 nights a year at or below 32 °F (NOAA 1991–2020, Chickamauga Pk Larc, 7.6 mi).

Checked Oct 2026. Report a correction

Footings Deck Water line Fence post

5–12 inrange of verified Georgia codes
84nights a year at or below 32 °F
100%of nearby soil rated “none” for frost action (USDA)

Does Catoosa County have an official frost line depth?

No adopted frost line depth found for Catoosa County in its official documents (checked Oct 2026). No verified code lies near Catoosa County; the Georgia codes we verified range from 5 to 12 in. Ask the building department for Catoosa County’s own number before you dig.

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

Call 811 at least a few working days before you dig, so buried lines are marked.
Confirm the frost line depth with the Catoosa County building department.
Ask whether your project needs a permit (decks, larger sheds and footings usually do).
Dig below 12 in (the deepest verified state 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 Catoosa County?

Drawn with the deepest Georgia official value (12 in). Confirm Catoosa County’s own depth before you dig.

House or garage footing Deck footing Water service line Fence post

House or garage footing in Catoosa County: dig at least 12 in (30 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).

Using the nearby official value of 12 in until Catoosa County confirms its own
Project	Depth	Rule
House or garage footing	12 in	Below the frost line and at least 12 in deep (IRC R403.1.4)
Deck footing (attached)	12 in	Below the frost line and at least 12 in deep (IRC R507.3)
Water service line	18 in	6 in below the frost line and at least 12 in deep (IRC P2603.5)
Fence post bottom	12 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 Catoosa County?

Average lows are at or below freezing from Dec to Feb. 84 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 28.9 °F.

NOAA 1991–2020 climate normals, Chickamauga Pk Larc station, 7.6 mi away, elevation 782 ft.

Monthly temperatures as a table

°F	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Low	28.9	31.6	37.2	45.1	54	62.6	66.4	65.6	59.2	46.9	34.8	31.2
High	50.9	55.6	63.9	73.3	79.6	86.1	89.1	88.7	83.9	74.7	62.4	53.4

Catoosa County has more freezing nights than 73 of the 74 other Georgia places we track. The Georgia median is 51. Coldest: Habersham County; mildest: Glynn County.

How likely is the soil in Catoosa County to heave?

None 100%

USDA rates the sampled soil around Catoosa County as 100% none for frost action (main soils: Conasauga).

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

Catoosa County at a glance

Frost line depth: No official local value
Population (2023 est.): 68,910
Mean annual temperature: 59.4 °F
ZIP codes (8): 30707 · 30710 · 30726 · 30736 · 30739 · 30741 · 30742 · 30755