Frost Line Depth in Douglas County, Nebraska
- 1 verified code nearby
- Checked Oct 2026
No official local value
No official frost line depth is published for Douglas County.
Nearby official codes require 42 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: 131 nights a year at or below 32 °F (NOAA 1991–2020, Omaha #1, 7.8 mi).
Checked Oct 2026. Report a correction
Does Douglas County have an official frost line depth?
No adopted frost line depth found for Douglas County in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 42 in. Use the deepest of them until the building department confirms Douglas County’s own number.
What frost line depth does Douglas County use for footings under Table R301.2(1)? Is it 42 in, like Sarpy County?
How deep do footings, decks and water lines need to be in Douglas County?
Drawn with the deepest nearby official value (42 in). Confirm Douglas County’s own depth before you dig.
House or garage footing in Douglas County: dig at least 42 in (107 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 42 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 42 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 48 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 42 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 Douglas County?
- J
- F
- M
- A
- M
- J
- J
- A
- S
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- N
- D
Average lows are at or below freezing from Nov to Mar. 131 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 14.6 °F.
NOAA 1991–2020 climate normals, Omaha #1 station, 7.8 mi away, elevation 1,280 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 14.6 | 19.8 | 29.6 | 40.8 | 51.7 | 62.3 | 66.3 | 64.6 | 56.5 | 43.4 | 30.4 | 19.5 |
| High | 32.3 | 37.6 | 50.8 | 63.9 | 71.9 | 81.2 | 85.2 | 83.7 | 76.5 | 63.4 | 49.7 | 36.2 |
Douglas County has fewer freezing nights than 7 of the 7 other Nebraska places we track. The Nebraska median is 143. Coldest: Buffalo County; mildest: Douglas County.
What frost line depth do towns near Douglas County use?
One official code near Douglas County is verified.
| Place | Verified frost line | Distance |
|---|---|---|
| Sarpy County | 42 in | 13 mi away |
How likely is the soil in Douglas County to heave?
USDA rates the sampled soil around Douglas County as 1% moderate, 99% high for frost action (main soils: Contrary, Marshall, Monona).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
Douglas County at a glance
- Frost line depth
- No official local value
- Population (2023 est.)
- 589,540
- Mean annual temperature
- 51.3 °F
- ZIP codes (37)
- 68007 · 68010 · 68022 · 68064 · 68069 · 68102 · 68104 · 68105 · 68106 · 68107 · 68108 · 68110 · 68111 · 68112 · 68114 · 68116 · 68117 · 68118 · 68122 · 68124 · 68127 · 68130 · 68131 · 68132 · 68134 · 68135 · 68137 · 68142 · 68144 · 68147 · 68152 · 68154 · 68157 · 68164 · 68178 · 68182 · 68183