Snow Load in New York

62 counties — Average 35.3 PSF (Moderate)

4
22
4
32
Light (6.5%) Moderate (35.5%) Heavy (6.5%) Case Study (51.6%)
Light — 4 counties with 1–20 PSF. Standard roof construction is typically sufficient.
Moderate — 22 counties with 21–40 PSF. Roofs need reinforced framing to handle regular snow buildup.
Heavy — 4 counties with 41–60 PSF. Engineered roof systems required for significant snow accumulation.
Case Study — 32 counties where snow loads vary too much to assign one number. A licensed engineer must determine the load for your specific site.

Based on ASCE 7-22, the national standard for structural snow loads used by engineers and building codes across the US.

New York Snow Load Map

Counties colored by snow load classification.

Highest Snow Load Counties

Clinton50 PSF
Fulton50 PSF
Warren50 PSF
Washington50 PSF
New York

Check Your ZIP Code

All 62 Counties — By Snow Load

CountyClassificationSnow Load
Albany Moderate 40 PSF
Allegany Case Study Site Study
Bronx Light 20 PSF
Broome Case Study Site Study
Cattaraugus Case Study Site Study
Cayuga Moderate 40 PSF
Chautauqua Case Study Site Study
Chemung Case Study Site Study
Chenango Case Study Site Study
Clinton Heavy 50 PSF
Columbia Moderate 40 PSF
Cortland Case Study Site Study
Delaware Case Study Site Study
Dutchess Moderate 35 PSF
Erie Case Study Site Study
Essex Case Study Site Study
Franklin Case Study Site Study
Fulton Heavy 50 PSF
Genesee Case Study Site Study
Greene Moderate 35 PSF
Hamilton Case Study Site Study
Herkimer Case Study Site Study
Jefferson Case Study Site Study
Kings Light 20 PSF
Lewis Case Study Site Study
Livingston Case Study Site Study
Madison Case Study Site Study
Monroe Moderate 40 PSF
Montgomery Moderate 40 PSF
Nassau Moderate 25 PSF
New York Light 20 PSF
Niagara Case Study Site Study
Oneida Case Study Site Study
Onondaga Case Study Site Study
Ontario Moderate 40 PSF
Orange Moderate 30 PSF
Orleans Case Study Site Study
Oswego Case Study Site Study
Otsego Case Study Site Study
Putnam Moderate 30 PSF
Queens Moderate 25 PSF
Rensselaer Moderate 40 PSF
Richmond Light 20 PSF
Rockland Moderate 30 PSF
Saratoga Moderate 40 PSF
Schenectady Moderate 40 PSF
Schoharie Case Study Site Study
Schuyler Case Study Site Study
Seneca Moderate 40 PSF
St. Lawrence Case Study Site Study
Steuben Case Study Site Study
Suffolk Moderate 30 PSF
Sullivan Case Study Site Study
Tioga Case Study Site Study
Tompkins Case Study Site Study
Ulster Moderate 35 PSF
Warren Heavy 50 PSF
Washington Heavy 50 PSF
Wayne Moderate 40 PSF
Westchester Moderate 30 PSF
Wyoming Case Study Site Study
Yates Moderate 35 PSF

Source: ASCE 7-22 ground snow load data

Frequently Asked Questions

What is the snow load in New York?

New York has an average ground snow load of 35.3 PSF, classified as moderate. Out of 62 counties: 4 light, 22 moderate, 4 heavy, 32 case study.

Which New York counties have the highest snow load?

New York has 4 counties with heavy snow load (41-60 PSF). 32 counties require a site-specific case study. See the county table above for a complete breakdown.

How do I check snow load for my New York address?

Enter your ZIP code in the search box above to see your area's ASCE 7-22 ground snow load, classification, and roof snow load calculator.

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