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San Luis Obispo County, California

Gutter cleaning, repair and new gutters in California Polytechnic State University, CA

A normal year in California Polytechnic State University brings about 22 inches of rain; on roughly 7 of its days, an inch or more comes down at once. The wettest season is winter (December to February), with about 13.6 inches; the driest is summer (June to August), with 0.2. Off a 1,000-square-foot roof, that comes to about 13,900 gallons a year for the gutters to carry.

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California Polytechnic State University: rain and roofs

NOAA station USC00047851, 0 mi
22.4 in
Rain in a normal year, California Polytechnic State University
NOAA normal, SAN LUIS OBISPO POLY
6.8
Days with an inch or more
a year
13,900 gal
Water off 1,000 sq ft of roof in California Polytechnic State University
0.62 gal per sq ft per inch
3.71 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 6
0%
Homes built before 1980
ACS 2020–2024
Winter13.6 in
Spring5.8 in
Summer0.2 in
Fall2.9 in

Bars to one scale; the longest is winter (December to February).

By heavy-rain days, California Polytechnic State University falls 219th for heavy-rain days of the 939 places in California on this site (6.8 a year).

When to clean gutters in California Polytechnic State University

Frost is rare in California Polytechnic State University, and in many years there is none (NOAA normals). With no hard freeze to strip the trees, the fall cleaning follows the leaf drop itself; book it once the trees over the roof are bare, and plan a second visit in spring.

When to clean gutters explains how the trees over a roof change the schedule.

Gutter and downspout size for California Polytechnic State University rain

Gutters are sized for the worst few minutes of a storm, not for the year. In California Polytechnic State University the five-minute rain expected about once in ten years falls at 3.71 inches an hour (NOAA Atlas 14 Volume 6). At that rate one 2-by-3-inch downspout drains about 1,940 square feet of roof and one 3-by-4-inch downspout about 3,880, 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 California Polytechnic State University

62% of households own their home, and 0% of homes are detached houses, 17% townhouses. If an association maintains the exterior, the gutters may be its job rather than yours; check before calling.

Hiring in California

Licensing for gutter work differs from state to state; ask a contractor in California Polytechnic State University which license or registration they hold in California, and for proof 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 California Polytechnic 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:

Nearby

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