About 375,000 results
Open links in new tab
  1. Frost Depth - National Weather Service

    About This Map: This map displays recent frost depth measurements in terms of inches below the soil surface. Frost depth reports are commonly from frost tube instruments, visual reports from …

  2. Frost Depth by State for Footing Design | Apex Pergola Design

    Dec 6, 2024 · The custom map below depicts the United States residential building code frost depth by jurisdiction based on our research. The information presented in this map is the most comprehensive …

  3. Frost Lines by State 2025 - World Population Review

    Frost lines vary by latitude and are deeper closer to the poles. According to the Federal Highway Administration, the maximum frost depth ranges between zero to eight feet in the contiguous United …

  4. Check Frost Line Depth By Zip Code - Nimble Freelancer

    It’s helpful to have access to a frost depth map to understand how far down you need to dig to reach areas where the earth doesn’t freeze. Any point along a contour line on a frost-depth map shows the …

  5. Frost Data and Maps - Updated January 2026 - Plantmaps

    Plantmaps maintains Frost data and maps for many regions on the earth. We've created Average First Frost Dates, Average Last Frost Dates and Average Number of days with Frost maps for most US …

  6. Frost Line Penetration Map In The U.S. - Hammerpedia (2026)

    3 days ago · This map serves as a guide for construction professionals, architects, and homeowners, offering insights into the specific frost depths across different regions of the United States.

  7. Frost Lines By State 2025 - Data Pandas

    May 23, 2025 · The frost line depth ranges widely across states - from as deep as 100 inches in Alaska to virtually non-existent in Hawaii and Florida. The coldest states, including Alaska, Minnesota, and …

  8. Frost Depth in Regions of the Central U.S. - Overview - ArcGIS

    Dec 11, 2025 · Frost depth data shown in this map are queried from the National Weather Service River Forecast Center (RFC) databases late morning each day. The values shown represent the latest …

  9. Frost Line Penetration Map In The U.S. - Hammerpedia

    The frost line map below was drawn based on data from the U.S Department of Commerce. Keep in mind you local building official will be able to provide the most accurate information based on your …

  10. Deck Footing Depth and Frost Line by Zip Code - Trex Seal

    May 22, 2025 · Check frost line depth by zip code to build a long-lasting deck and prevent damage.