ZIP Code 85321
Pima County, Arizona — Why
What This Means
Pima County, Arizona has a ground snow load of 0 PSF per ASCE 7-22. This area has negligible snow accumulation for structural design purposes. Standard roof construction without special snow load provisions is typically sufficient.
Snow Load Details
| ZIP Code | 85321 |
| County | Pima |
| City | Why |
| State | Arizona (AZ) |
| Ground Snow Load | 0 PSF — No Snow Load |
| Classification Range | 21 - 40 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): 0 PSF
ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.
Pima 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 85321?
ZIP code 85321 is in Pima County, Arizona, with a ground snow load of 0 PSF, classified as no snow load per ASCE 7-22.
Is my roof strong enough for snow in 85321?
With no significant snow load in this area, standard roof construction is typically sufficient.
What county is ZIP code 85321 in?
ZIP code 85321 is in Pima County, Arizona (AZ).