Moderate

ZIP Code 22039

Fairfax County, Virginia — Fairfax Station

25PSF (Ground Snow Load)
ModerateClassification

What This Means

Fairfax County, Virginia has a moderate ground snow load of 25 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 Code22039
CountyFairfax
CityFairfax Station
StateVirginia (VA)
Ground Snow Load25 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): 25 PSF

Roof Snow Load: 17.5 PSF

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

Fairfax County Snow Load Map

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

New Lookup

Check Another ZIP Code

Nearby ZIP Codes

22037 25 PSF Moderate 22038 25 PSF Moderate 22041 25 PSF Moderate 22042 25 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 22039?

ZIP code 22039 is in Fairfax County, Virginia, with a ground snow load of 25 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 22039?

With a moderate ground snow load of 25 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 22039 in?

ZIP code 22039 is in Fairfax County, Virginia (VA).