Frostline.info

Frost line depth in Volusia County, Florida

Frost reaches about 0 inches in typical soil across Volusia County. Codes in this climate commonly set footing depth at 12 inches (code minimum).

Source: NOAA 100-year air freezing index (1951–80 station records) · Last reviewed

No meaningful frost
Estimated frost depth
0″
typical silt/loam soil
Typical code footing depth
12″ minimum
rule of thumb for this climate
Design freezing index
0
°F-days, 100-year winter
ZIP codes covered
26
#67 of 67 counties in FL (1 = deepest)
0″12″24″36″ ground
Est. frost (typical soil) Typical code footing depth Clay–sand range

Frost depth by soil type

Soil typeEst. frost depth
Sand / gravel (drains well)0″
Silt / loam (typical yard soil)0″
Clay (holds water)0″

County average. Methodology.

Verify before you dig. These are climate-based estimates. The legally required frost depth is the figure your building department publishes in its IRC Table R301.2 (climatic and geographic design criteria). Call the Volusia County building or permitting office in Florida and call 811 before digging.

Frost depth by ZIP code in Volusia County

ZIPCityEst. frostCode range
32114Daytona Beach0″12″ minimum
32117Daytona Beach0″12″ minimum
32118Daytona Beach0″12″ minimum
32119Daytona Beach0″12″ minimum
32124Daytona Beach0″12″ minimum
32127Port Orange0″12″ minimum
32128Port Orange0″12″ minimum
32129Port Orange0″12″ minimum
32130De Leon Springs0″12″ minimum
32132Edgewater0″12″ minimum
32141Edgewater0″12″ minimum
32168New Smyrna Beach0″12″ minimum
32169New Smyrna Beach0″12″ minimum
32174Ormond Beach0″12″ minimum
32176Ormond Beach0″12″ minimum
32180Pierson0″12″ minimum
32190Seville0″12″ minimum
32713Debary0″12″ minimum
32720Deland0″12″ minimum
32724Deland0″12″ minimum
32725Deltona0″12″ minimum
32738Deltona0″12″ minimum
32744Lake Helen0″12″ minimum
32759Oak Hill0″12″ minimum
32763Orange City0″12″ minimum
32764Osteen0″12″ minimum

What this means for your project in Volusia County

Deck footings & piers

Footings must bear below the frost line and at least 12″ below undisturbed ground. For planning in this area, budget for holes around 12″ deep until your permit office confirms the exact figure.

Fence posts

Set posts at least one-third of their above-ground height. Where frost heave is a problem, carry concrete footings below the frost line (about 12″ here in typical soil) and bell or taper the bottom.

Water & irrigation lines

Bury supply lines below the frost depth. Your water utility or plumbing code sets the minimum cover; freezing is rare, but exposed pipes still need insulation.

Slabs & frost-protected foundations

Frost-protected shallow foundations (IRC R403.3) use the 100-year air freezing index — 0 °F-days here — to size perimeter insulation, letting footings sit shallower than the frost line.

Weather stations used

NOAA weather stationDistance100-yr AFI
Daytona Beach, FL8 mi0
Deland 1 Sse, FL11 mi0
Sanford Exp Station, FL20 mi0
Titusville 3 Nw, FL36 mi0

Nearby counties

Common questions

What is the frost line depth in Volusia County?

About 0 inches in typical soil, based on NOAA's 100-year air freezing index. Across the county's ZIP codes the estimate runs from 0 to 0 inches.

How deep should footings be in Volusia County, Florida?

Codes in climates like this commonly require 12 inches (code minimum). The Volusia County building department publishes the required frost depth in its adopted code (IRC Table R301.2).

Does frost depth vary within Volusia County?

Very little. Estimates across the county stay within 1 inches. Soil type matters more than location here.