Moderate

ZIP Code 20132

Loudoun County, Virginia — Zcta 20132

30PSF (Ground Snow Load)
ModerateClassification

What This Means

Loudoun County, Virginia has a moderate ground snow load of 30 PSF per ASCE 7-22. This load requires proper structural consideration during design. Roof framing, trusses, and connections should be engineered for this snow load. Ensure adequate drainage to prevent ponding.

Snow Load Details

ZIP Code20132
CountyLoudoun
CityZcta 20132
StateVirginia (VA)
Ground Snow Load30 PSF — Moderate
Classification Range21 - 40 PSF
Data QualityMeasured

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

Roof Snow Load Calculator

ASCE 7-22 flat roof formula:  pf = 0.7 × Ce × Ct × Is × pg

Your ground snow load (pg): 30 PSF

Roof Snow Load: 21 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Loudoun County Snow Load Map

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

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Nearby ZIP Codes

20129 30 PSF Moderate 20130 CS Case Study 20135 CS Case Study

Frequently Asked Questions

What is the ground snow load for ZIP code 20132?

ZIP code 20132 is in Loudoun County, Virginia, with a ground snow load of 30 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 20132?

With a moderate ground snow load of 30 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 20132 in?

ZIP code 20132 is in Loudoun County, Virginia (VA).