Frost Line Depth in Sedgwick County, Kansas

  • 1 verified code nearby
  • Checked Oct 2026

No official local value

No official frost line depth is published for Sedgwick County.

Nearby official codes require 24 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: 109 nights a year at or below 32 °F (NOAA 1991–2020, Wichita Wx, 2 mi).

Checked Oct 2026. Report a correction

Does Sedgwick County have an official frost line depth?

No adopted frost line depth found for Sedgwick County in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 24 in. Use the deepest of them until the building department confirms Sedgwick County’s own number.

What frost line depth does Sedgwick County use for footings under Table R301.2(1)? Is it 24 in, like Wichita?

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

Drawn with the deepest nearby official value (24 in). Confirm Sedgwick County’s own depth before you dig.

Project
House or garage footing in Sedgwick County: dig at least 24 in. grade 0 in 122436486072 12 in code minimum nearby codes 24 in, confirm locally dig 24 in

House or garage footing in Sedgwick County: dig at least 24 in (61 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).

Using the nearby official value of 24 in until Sedgwick County confirms its own
ProjectDepthRule
House or garage footing24 inBelow the frost line and at least 12 in deep (IRC R403.1.4)
Deck footing (attached)24 inBelow the frost line and at least 12 in deep (IRC R507.3)
Water service line30 in6 in below the frost line and at least 12 in deep (IRC P2603.5)
Fence post bottom24 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 Sedgwick County?

  1. J
  2. F
  3. M
  4. A
  5. M
  6. J
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  8. A
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  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 Feb. 109 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 22.2 °F.

NOAA 1991–2020 climate normals, Wichita Wx station, 2 mi away, elevation 1,334 ft.

Monthly temperatures as a table
°FJanFebMarAprMayJunJulAugSepOctNovDec
Low22.225.735.244.754.564.769.567.558.946.53425.1
High43.648.55968.277.387.592.190.782.870.35745
103136 nightsSedgwick County 109

Sedgwick County has fewer freezing nights than 6 of the 7 other Kansas places we track. The Kansas median is 116. Coldest: Leavenworth County; mildest: Wichita.

What frost line depth do towns near Sedgwick County use?

One official code near Sedgwick County is verified.

Official frost line depths near Sedgwick County
PlaceVerified frost lineDistance
Wichita 24 in 6 mi away

How likely is the soil in Sedgwick County to heave?

USDA rates the sampled soil around Sedgwick County as 40% none, 1% low, 58% moderate, 1% high for frost action (main soils: Nalim, Blanket, Elandco).

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

Sedgwick County at a glance

Frost line depth
No official local value
Population (2023 est.)
528,469
Mean annual temperature
57.1 °F
ZIP codes (52)
67001 · 67016 · 67017 · 67020 · 67025 · 67026 · 67030 · 67031 · 67037 · 67050 · 67052 · 67055 · 67060 · 67067 · 67101 · 67106 · 67108 · 67110 · 67118 · 67120 · 67133 · 67135 · 67147 · 67149 · 67202 · 67203 · 67204 · 67205 · 67206 · 67207 · 67208 · 67209 · 67210 · 67211 · 67212 · 67213 · 67214 · 67215 · 67216 · 67217 · 67218 · 67219 · 67220 · 67221 · 67223 · 67226 · 67227 · 67228 · 67230 · 67232 · 67235 · 67260

Sources

  • Climate: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00148847.
  • 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