Sonoma County, California
Gutter cleaning, repair and new gutters in Sonoma State University, CA
Rain in Sonoma State University adds up to about 26 inches in a normal year, with about 6 days that bring an inch or more. The wettest season is winter (December to February), with about 15.2 inches; the driest is summer (June to August), with 0.3. Off a 1,000-square-foot roof, that comes to about 15,800 gallons a year for the gutters to carry.
Call (866) 228-6229 free call to a gutter contractor serving Sonoma State UniversitySonoma State University: rain and roofs
NOAA station USC00046826, 7 miBars to one scale; the longest is winter (December to February).
By heavy-rain days, Sonoma State University falls near the middle of the 939 places in California on this site (6.0 a year). The first frost here ranks near the middle of the 507 places in California on this site (November 25).
When to clean gutters in Sonoma State University
The first fall frost comes around November 25 in a typical year here, and the last spring frost around February 28 (median dates, NOAA normals). A fall cleaning set for the weeks after that frost, when the branches over the house are bare, gets the year’s leaves in one trip; a spring visit follows once the pollen and catkins have come down.
When to clean gutters explains how the trees over a roof change the schedule.
Gutter and downspout size for Sonoma State University rain
Gutters are sized for the worst few minutes of a storm, not for the year. In Sonoma State University the five-minute rain expected about once in ten years falls at 3.41 inches an hour (NOAA Atlas 14 Volume 6). At that rate one 2-by-3-inch downspout drains about 2,110 square feet of roof and one 3-by-4-inch downspout about 4,220, by the rule in the Copper Development Association’s design handbook. Try your own roof in the gutter and downspout calculator, which starts from this figure.
The houses in Sonoma State University
Hiring in California
Before hiring in Sonoma State University, ask which California license or registration the contractor holds and for a certificate of liability insurance. Hiring a gutter contractor
In California’s fire hazard severity zones, the 2025 Wildland-Urban Interface Code (in force January 1, 2026) requires gutters and downspouts of noncombustible material, and gutters fitted with an approved means to keep leaves and debris from collecting (section 504.4). (2025 California Wildland-Urban Interface Code, Chapter 5 (UpCodes))
Gutter work in Sonoma State University
In a neighborhood with half its homes built by recent decades, the usual calls are cleaning, guards and small repairs. The line takes all of it: