Mendocino County, CA Roof Snow Load - 0 psf
What ASCE 7 says about snow load in Mendocino County
That's Mendocino County's design roof snow load per ASCE 7-22, for a typical heated single-family home - the number a permit reviewer starts from.
Converted to something you can actually eyeball on a roof: about 0 in. of fresh powder, 0 in. once it settles and packs down, or just 0 in. if it's turned to ice. This county’s ground snow load maps to zero - snow load is not a driver of roof design here.
Already snow on the roof in Mendocino County?
Mendocino County in numbers
- Design roof snow load0 psf
- Ground snow load, ASCE 7 map0 psf
- National rank#2,581 of 2,758
- California rank#37 of 41
- Population89,175
- Annual snowfall, NOAA normal0 in.
- FIPS06045
Where Mendocino County's figure sits nationally
Out of 2,758 rated US counties, Mendocino County sits at #2,581, the top 94% nationally - #37 of 41 within California. California counties average 1.1 psf; Mendocino County runs 1.1 psf lower than that.
Near 39.4324°N 123.4429°W, FIPS 06045: Mendocino County counts 89,175 residents and a 0 psf map value, which the code's own factors turn into 0 psf.
How much it actually snows in Mendocino County
Most winters bring Mendocino County roughly 0 in. of snow - NOAA's normal at POTTER VALLEY POWERHOUSE, CA US, 17.5 mi off. (fresh vs. packed vs. ice explains why.)
Read this before you rely on it
Mendocino County's number above is ASCE 7-22's default case, not a custom calculation: ordinary residential occupancy, heated, sited on ground that's neither fully sheltered nor fully exposed. Any one of those changing - pitch, exposure, heating, occupancy - moves the real figure.
Nothing here substitutes for an address-level number. Get one free, in about a minute, from the ASCE 7 Hazard Tool using your own coordinates rather than Mendocino County's county-wide figure. (How this figure is calculated.)