Frost Line Depth in New Braunfels, Texas
- New Braunfels’s adopted code
- Checked Oct 2026
- Sources
Verified
0in
No frost depth required
Set in the building code New Braunfels has adopted.
Footings still go at least 12 in (30 cm) below undisturbed ground (IRC R403.1.4).
Source and how we checked
Document: library.municode.com
Climate: 32 nights a year at or below 32 °F (NOAA 1991–2020, New Braunfels, 4 mi).
Checked Oct 2026. Report a correction
How deep is the frost line in New Braunfels?
New Braunfels' 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 New Braunfels?
Texas leaves the frost line depth to each city or county, and New Braunfels fills it in when it adopts the residential code. The value above comes from New Braunfels’s own document on library.municode.com. See how Texas sets frost line depth.
How deep do footings, decks and water lines need to be in New Braunfels?
House or garage footing in New Braunfels: 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 New Braunfels?
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
New Braunfels never averages a low below freezing. 32 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 36.9 °F.
NOAA 1991–2020 climate normals, New Braunfels station, 4 mi away, elevation 720 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 36.9 | 40.1 | 48 | 54.3 | 63.7 | 69.8 | 72.1 | 71.3 | 65.9 | 55.8 | 46.1 | 40.1 |
| High | 61.7 | 66 | 72.5 | 78.8 | 85 | 90.4 | 93.4 | 94.6 | 89.3 | 81.2 | 70.6 | 63.2 |
New Braunfels has fewer freezing nights than 84 of the 168 other Texas places we track. The Texas median is 32. Coldest: Amarillo; mildest: Brownsville.
What frost line depth do towns near New Braunfels use?
4 official codes near New Braunfels are verified; each links to its document.
| Place | Verified frost line | Distance |
|---|---|---|
| Kyle | 6 in | 25 mi away |
| Austin | 12 in | 47 mi away |
| Cedar Park | 6 in | 59 mi away |
| Leander | 6 in | 62 mi away |
How likely is the soil in New Braunfels to heave?
USDA rates the sampled soil around New Braunfels as 100% none for frost action (main soils: Branyon, Altoga, Queeny).
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 New Braunfels?
New Braunfels at a glance
- Frost line depth
- 0 in
- County
- Comal County
- Population (2023 est.)
- 110,958
- Mean annual temperature
- 67.1 °F
- ZIP codes (3)
- 78124 · 78130 · 78132