Frost Line Depth in Kerr County, Texas

  • Texas range from verified codes
  • Checked Oct 2026

No official local value

No official frost line depth is published for Kerr County.

No verified code nearby; verified Texas codes range 0–12 in.

Source and how we checked

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

Climate: 73 nights a year at or below 32 °F (NOAA 1991–2020, Hunt 10 W, 9.1 mi).

Checked Oct 2026. Report a correction

Does Kerr County have an official frost line depth?

No adopted frost line depth found for Kerr County in its official documents (checked Oct 2026). No verified code lies near Kerr County; the Texas codes we verified range from 0 to 12 in. Ask the building department for Kerr County’s own number before you dig.

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

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

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

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

House or garage footing in Kerr 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 Kerr County confirms its own
ProjectDepthRule
House or garage footing12 inBelow the frost line and at least 12 in deep (IRC R403.1.4)
Deck footing (attached)12 inBelow the frost line and at least 12 in deep (IRC R507.3)
Water service line18 in6 in below the frost line and at least 12 in deep (IRC P2603.5)
Fence post bottom12 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 Kerr 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 Dec to Jan. 73 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 29.6 °F.

NOAA 1991–2020 climate normals, Hunt 10 W station, 9.1 mi away, elevation 2,010 ft.

Monthly temperatures as a table
°FJanFebMarAprMayJunJulAugSepOctNovDec
Low29.634.142.149.359.666.168.367.360.350.239.831.2
High60.865.271.678.28490.49393.887.379.568.962.1
0117 nightsKerr County 73

Kerr County has more freezing nights than 164 of the 168 other Texas places we track. The Texas median is 32. Coldest: Amarillo; mildest: Brownsville.

How likely is the soil in Kerr County to heave?

USDA rates the sampled soil around Kerr County as 100% none for frost action (main soils: Harper, Eckrant, Tarpley).

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

Kerr County at a glance

Frost line depth
No official local value
Population (2023 est.)
53,915
Mean annual temperature
63.9 °F
ZIP codes (11)
76849 · 78010 · 78013 · 78024 · 78025 · 78028 · 78029 · 78055 · 78058 · 78063 · 78631

Sources

  • Climate: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00414375.
  • 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