Case Study

ZIP Code 98520

Grays Harbor County, Washington — Aberdeen

Case StudyClassification
RequiredEngineer Consultation

What This Means

Grays Harbor County, Washington is designated as a Case Study area in ASCE 7-22. Ground snow loads in this region vary significantly due to elevation, terrain, or microclimate effects and cannot be determined from the standard maps. A site-specific case study by a licensed engineer using local weather data is required to determine the design snow load.

Snow Load Details

ZIP Code98520
CountyGrays Harbor
CityAberdeen
StateWashington (WA)
Ground Snow LoadN/A — Case Study
Classification RangeCase Study
Data QualityCase study
Case StudyYes — site-specific study required

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Grays Harbor County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

Nearby ZIP Codes

Frequently Asked Questions

What is the ground snow load for ZIP code 98520?

ZIP code 98520 is in Grays Harbor County, Washington, with a ground snow load of Case Study (varies), classified as case study per ASCE 7-22.

Is my roof strong enough for snow in 98520?

This area is a Case Study zone where snow loads vary significantly. A licensed structural engineer must determine the specific snow load for your site before any building or renovation.

What county is ZIP code 98520 in?

ZIP code 98520 is in Grays Harbor County, Washington (WA).