Frost Line Depth in York County, Virginia
- 2 verified codes nearby
- Checked Oct 2026
No official local value
No official frost line depth is published for York County.
Nearby official codes require 12–18 in (2 verified codes).
Source and how we checked
We searched this place’s own code and website and found no published frost line depth.
Climate: 64 nights a year at or below 32 °F (NOAA 1991–2020, Newport News International Airport, 8.2 mi).
Checked Oct 2026. Report a correction
Does York County have an official frost line depth?
No adopted frost line depth found for York County in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 12 to 18 in. Use the deepest of them until the building department confirms York County’s own number.
What frost line depth does York County use for footings under Table R301.2(1)? Is it 12 in, like Hampton?
How deep do footings, decks and water lines need to be in York County?
Drawn with the deepest nearby official value (18 in). Confirm York County’s own depth before you dig.
House or garage footing in York County: dig at least 18 in (46 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 18 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 18 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 24 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 18 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 York County?
- J
- F
- M
- A
- M
- J
- J
- A
- S
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- D
Average lows are at or below freezing from Jan to Feb. 64 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 30.6 °F.
NOAA 1991–2020 climate normals, Newport News International Airport station, 8.2 mi away, elevation 42 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 30.6 | 31.8 | 38 | 47.2 | 56.1 | 64.5 | 70.3 | 68.1 | 62.6 | 51.4 | 40.2 | 33.5 |
| High | 49 | 52.5 | 59.1 | 69.6 | 77.2 | 84.7 | 88.2 | 86.6 | 80.9 | 71.3 | 61.2 | 53.3 |
York County has fewer freezing nights than 15 of the 22 other Virginia places we track. The Virginia median is 94. Coldest: Shenandoah County; mildest: Norfolk.
What frost line depth do towns near York County use?
2 official codes near York County are verified; each links to its document.
| Place | Verified frost line | Distance |
|---|---|---|
| Hampton | 12 in | 13 mi away |
| Henrico County | 18 in | 52 mi away |
How likely is the soil in York County to heave?
USDA rates the sampled soil around York County as 100% none for frost action (main soils: Axis, Seabrook, Levy).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
York County at a glance
- Frost line depth
- No official local value
- Population (2023 est.)
- 70,952
- Mean annual temperature
- 59.5 °F
- ZIP codes (9)
- 23185 · 23188 · 23603 · 23665 · 23690 · 23691 · 23692 · 23693 · 23696