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Gutter cleaning, repair and new gutters in San Ramon, CA

Rain in San Ramon 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 15.0 inches; the driest is summer (June to August), with 0.3. Off a 1,000-square-foot roof, that comes to about 16,200 gallons a year for the gutters to carry.

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San Ramon: rain and roofs

NOAA station USC00045915, 8 mi
26.1 in
Rain in a normal year, San Ramon
NOAA normal, MT DIABLO JUNCTION
6.0
Days with an inch or more
a year
16,200 gal
Water off 1,000 sq ft of roof in San Ramon
0.62 gal per sq ft per inch
2.88 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 6
1993
Median year homes were built
ACS 2020–2024
24%
Homes built before 1980
ACS 2020–2024
Winter15.0 in
Spring6.7 in
Summer0.3 in
Fall4.0 in

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

By heavy-rain days, San Ramon falls near the middle of the 939 places in California on this site (6.0 a year). By the age of its homes it sits among the newest by median year built of the 938 places in California on this site (half built by 1993).

When to clean gutters in San Ramon

Frost is rare in San Ramon, 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 San Ramon rain

Gutters are sized for the worst few minutes of a storm, not for the year. In San Ramon the five-minute rain expected about once in ten years falls at 2.88 inches an hour (NOAA Atlas 14 Volume 6). At that rate one 2-by-3-inch downspout drains about 2,500 square feet of roof and one 3-by-4-inch downspout about 5,000, 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 San Ramon

Half the homes in San Ramon were built by 1993, 24% before 1980 (ACS 2020–2024). At that age a gutter has seen decades of leaves and storms, and the fascia it hangs from has too.

71% of households own their home, and 64% of homes are detached houses, 13% townhouses. If an association maintains the exterior, the gutters may be its job rather than yours; check before calling.

Hiring in California

Before hiring in San Ramon, 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 San Ramon

In a neighborhood with half its homes built by 1993, the usual calls are cleaning, guards and small repairs. The line takes all of it:

Nearby

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