ZIP Code 27502
Wake County, North Carolina — Apex
What This Means
Wake County, North Carolina has a light ground snow load of 15 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.
Snow Load Details
| ZIP Code | 27502 |
| County | Wake |
| City | Apex |
| State | North Carolina (NC) |
| Ground Snow Load | 15 PSF — Light |
| Classification Range | 1 - 20 PSF |
| Data Quality | Measured |
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): 15 PSF
ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.
Wake 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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Frequently Asked Questions
What is the ground snow load for ZIP code 27502?
ZIP code 27502 is in Wake County, North Carolina, with a ground snow load of 15 PSF, classified as light per ASCE 7-22.
Is my roof strong enough for snow in 27502?
With a light ground snow load of 15 PSF, standard residential construction typically handles this load, but verify with your local building code.
What county is ZIP code 27502 in?
ZIP code 27502 is in Wake County, North Carolina (NC).