Dutchess County, NY Roof Snow Load - 24.5 psf

How much snow is too much for a roof in Dutchess County, NY?

Picture it, not just weigh it: 53.9 in. if it's fresh powder, 19.6 in. once it settles, or a mere 4.9 in. if it's ice. This is a meaningful design load - most modern-code homes handle it fine, though an addition, a carport or a flat-roofed section can be a weak spot.

Dutchess County, NY: quick facts

• Design roof snow load24.5 psf
• Ground snow load, ASCE 7 map35 psf
• National rank#307 of 2,758
• New York rank#14 of 28
• Population299,963
• Annual snowfall, NOAA normal44.2 in.
• FIPS36027

How Dutchess County compares

24.5 psf ranks #307 of 2,758 US counties with a mapped snow load (top 11%) - and #14 of 28 in New York. That's 0.9 psf below New York's own county-average design load of 25.4 psf.

Population 299,963 (FIPS 36027), roughly 41.7548°N 73.74°W. The 35 psf ground snow load ASCE 7-22 maps here becomes 24.5 psf once the code's own design factors are applied.

Typical snowfall in Dutchess County, NY

NOAA's 30-year normal for Dutchess County: 44.2 in. of snow a year, from the WALDEN 1 ESE, NY US station. That station is far enough away (26 mi) that local snowfall - especially at a different elevation or near a lake - can run noticeably higher or lower than this figure. (fresh vs. packed vs. ice explains why.)

What this Dutchess County figure assumes

This is a county-level reference figure for a typical heated home built to Risk Category II (ordinary residential), on a partially exposed lot - the assumptions ASCE 7-22 itself treats as the default case. A steeper roof, a fully exposed hilltop lot, an unheated structure, or a higher risk category all change the actual number.

Dutchess County's permit office wants an address-specific figure, not this county average - the ASCE 7 Hazard Tool is free, takes under a minute, and outputs a PDF most reviewers accept. See the methodology guide.