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Contra Costa County, California

Gutter cleaning, repair and new gutters in Moraga, CA

Moraga gets about 25 inches of rain in a normal year, and on about 7 days a year an inch or more falls in a single day. The wettest season is winter (December to February), with about 14.4 inches; the driest is summer (June to August), with 0.3. That is about 15,700 gallons a year off each 1,000 square feet of roof, every drop of it through a gutter and a downspout.

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Moraga: rain and roofs

NOAA station USC00049185, 6 mi
25.3 in
Rain in a normal year, Moraga
NOAA normal, UPPER SAN LEANDRO FILTERS
6.5
Days with an inch or more
a year
15,700 gal
Water off 1,000 sq ft of roof in Moraga
0.62 gal per sq ft per inch
3.61 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 6
1972
Median year homes were built
ACS 2020–2024
78%
Homes built before 1980
ACS 2020–2024
Winter14.4 in
Spring6.5 in
Summer0.3 in
Fall4.1 in

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

Counting days with an inch of rain or more, Moraga sits 230th for heavy-rain days of the 939 places in California on this site (6.5 a year). By the age of its homes it sits near the middle of the 938 places in California on this site (half built by 1972).

When to clean gutters in Moraga

Frost is rare in Moraga, 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 Moraga rain

What overwhelms a gutter is a burst, not a season. In Moraga the five-minute rain expected about once in ten years falls at 3.61 inches an hour (NOAA Atlas 14 Volume 6). At that rate one 2-by-3-inch downspout drains about 1,990 square feet of roof and one 3-by-4-inch downspout about 3,990, 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 Moraga

Half the homes in Moraga were built by 1972, 78% before 1980 (ACS 2020–2024). In a neighborhood that age, many houses are on their second set of gutters or due for one, and the fascia board behind them is worth checking at the same visit. On a house built before 1978, replacing more than 20 square feet of painted fascia or trim falls under the EPA’s lead-safe rule, so ask whether the crew is certified.

84% of households own their home, and 71% of homes are detached houses, 14% townhouses. In a townhouse or HOA community, check who owns the gutters and what colors are allowed before booking.

Hiring in California

Ask any contractor working in Moraga what California requires of them for gutter work, and to show proof of 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 Moraga

With half the homes built by 1972, replacement gutters and the fascia behind them come up more often here than in newer suburbs. The line takes all of it:

Nearby

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