Frost Line Depth in Redondo Beach, California
- 4 verified codes nearby
- Checked Oct 2026
No official local value
Frost rarely reaches the ground in Redondo Beach.
Nearby official codes require 12 in (4 verified codes).
Footings still go at least 12 in (30 cm) below undisturbed ground (IRC R403.1.4).
Source and how we checked
We searched this place’s own code and website and found no published frost line depth.
Climate: 0 nights a year at or below 32 °F (NOAA 1991–2020, Redondo Beach, 1.8 mi).
Checked Oct 2026. Report a correction
Does Redondo Beach have an official frost line depth?
No adopted frost line depth found for Redondo Beach in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 12 in. Use the deepest of them until the building department confirms Redondo Beach’s own number.
What frost line depth does Redondo Beach use for footings under Table R301.2(1)? Is it 12 in, like Paramount?
How deep do footings, decks and water lines need to be in Redondo Beach?
Drawn with the deepest nearby official value (12 in). Confirm Redondo Beach’s own depth before you dig.
House or garage footing in Redondo Beach: dig at least 12 in (30 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 12 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 12 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 18 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 12 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 Redondo Beach?
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Redondo Beach never averages a low below freezing. 0 nights a year reach 32 °F or colder; Dec is coldest, with an average low of 46.8 °F.
NOAA 1991–2020 climate normals, Redondo Beach station, 1.8 mi away, elevation 142 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 47.3 | 47.5 | 49.9 | 51.6 | 55.7 | 58.4 | 62.4 | 62.9 | 61.8 | 57.1 | 51.1 | 46.8 |
| High | 66.6 | 65.9 | 66 | 67.5 | 69.5 | 72.1 | 75.6 | 76.5 | 76.1 | 74 | 70.6 | 66.4 |
Redondo Beach has fewer freezing nights than 166 of the 208 other California places we track. The California median is 3. Coldest: El Dorado County; mildest: San Diego.
What frost line depth do towns near Redondo Beach use?
4 official codes near Redondo Beach are verified; each links to its document.
How likely is the soil in Redondo Beach to heave?
USDA rates the sampled soil around Redondo Beach as 97% none, 3% low for frost action (main soils: Abaft, Marina, Garey).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
Redondo Beach at a glance
- Frost line depth
- No official local value
- County
- Los Angeles County
- Population (2023 est.)
- 67,749
- Mean annual temperature
- 62.5 °F
- ZIP codes (3)
- 90254 · 90277 · 90278