Frost Line Depth in Goose Creek, South Carolina
- Goose Creek’s adopted code
- Checked Oct 2026
- Sources
Verified
0in
No frost depth required
Set in the building code Goose Creek has adopted.
Footings still go at least 12 in (30 cm) below undisturbed ground (IRC R403.1.4).
Source and how we checked
Document: goosecreeksc.gov
Climate: 22 nights a year at or below 32 °F (NOAA 1991–2020, Charleston International Airport, 6.9 mi).
Checked Oct 2026. Report a correction
How deep is the frost line in Goose Creek?
Goose Creek's building authority sets the frost line depth at 0 in (0 cm). Footings, piers and other permanent supports still go at least 12 in below undisturbed ground (IRC R403.1.4).
Who sets the frost line depth in Goose Creek?
South Carolina leaves the frost line depth to each city or county, and Goose Creek fills it in when it adopts the residential code. The value above comes from Goose Creek’s own document on goosecreeksc.gov. See how South Carolina sets frost line depth.
How deep do footings, decks and water lines need to be in Goose Creek?
House or garage footing in Goose Creek: dig at least 12 in (30 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| 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 | 12 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 Goose Creek?
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Goose Creek never averages a low below freezing. 22 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 38.9 °F.
NOAA 1991–2020 climate normals, Charleston International Airport station, 6.9 mi away, elevation 40 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 38.9 | 41.6 | 47.3 | 54.5 | 63 | 70.4 | 73.7 | 73.1 | 68.3 | 57.7 | 47.1 | 41.6 |
| High | 60.2 | 63.8 | 70.1 | 77.1 | 83.6 | 88.5 | 91.3 | 89.8 | 85.4 | 77.9 | 69.4 | 62.7 |
Goose Creek has fewer freezing nights than 12 of the 13 other South Carolina places we track. The South Carolina median is 53. Coldest: Laurens County; mildest: Beaufort County.
How likely is the soil in Goose Creek to heave?
USDA rates the sampled soil around Goose Creek as 100% none for frost action (main soils: Eulonia, Wahee, Lynchburg).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
How do you confirm the frost line before you dig in Goose Creek?
Goose Creek at a glance
- Frost line depth
- 0 in
- County
- Berkeley County
- Population (2023 est.)
- 49,249
- Mean annual temperature
- 66.5 °F
- ZIP codes (5)
- 29410 · 29445 · 29456 · 29461 · 29486