Frost Line Depth in Prince George County, Virginia

  • 1 verified code nearby
  • Checked Oct 2026

No official local value

No official frost line depth is published for Prince George County.

Nearby official codes require 18 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: 96 nights a year at or below 32 °F (NOAA 1991–2020, Disputanta, 5.3 mi).

Checked Oct 2026. Report a correction

Does Prince George County have an official frost line depth?

No adopted frost line depth found for Prince George County in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 18 in. Use the deepest of them until the building department confirms Prince George County’s own number.

What frost line depth does Prince George County use for footings under Table R301.2(1)? Is it 18 in, like Henrico County?

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

Drawn with the deepest nearby official value (18 in). Confirm Prince George County’s own depth before you dig.

Project
House or garage footing in Prince George County: dig at least 18 in. grade 0 in 122436486072 12 in code minimum nearby codes 18 in, confirm locally dig 18 in

House or garage footing in Prince George County: dig at least 18 in (46 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).

Using the nearby official value of 18 in until Prince George County confirms its own
ProjectDepthRule
House or garage footing18 inBelow the frost line and at least 12 in deep (IRC R403.1.4)
Deck footing (attached)18 inBelow the frost line and at least 12 in deep (IRC R507.3)
Water service line24 in6 in below the frost line and at least 12 in deep (IRC P2603.5)
Fence post bottom18 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 Prince George 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 Feb. 96 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 26.7 °F.

NOAA 1991–2020 climate normals, Disputanta station, 5.3 mi away, elevation 130 ft.

Monthly temperatures as a table
°FJanFebMarAprMayJunJulAugSepOctNovDec
Low26.728.634.64454.562.86865.859.947.536.530.2
High48.252.159.97177.385.489.287.480.970.860.251.8
32132 nightsPrince George County 96

Prince George County has more freezing nights than 12 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 Prince George County use?

One official code near Prince George County is verified.

Official frost line depths near Prince George County
PlaceVerified frost lineDistance
Henrico County 18 in 18 mi away

How likely is the soil in Prince George County to heave?

USDA rates the sampled soil around Prince George County as 100% none for frost action (main soils: Ackwater, Montross, Kinston).

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

Prince George County at a glance

Frost line depth
No official local value
Population (2023 est.)
42,871
Mean annual temperature
58.1 °F
ZIP codes (7)
23801 · 23805 · 23830 · 23842 · 23860 · 23875 · 23881

Sources

  • Climate: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00442400.
  • 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