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Washington County, Oregon

Gutter cleaning, repair and new gutters in West Slope, OR

West Slope gets about 39 inches of rain in a normal year, and on about 5 days a year an inch or more falls in a single day. The wettest season is winter (December to February), with about 16.1 inches; the driest is summer (June to August), with 2.7. Off a 1,000-square-foot roof, that comes to about 24,300 gallons a year for the gutters to carry.

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West Slope: rain and roofs

NOAA station USC00355945, 3 mi
39.2 in
Rain in a normal year, West Slope
NOAA normal, NATURE PARK-BEAVERTON
5.3
Days with an inch or more
a year
24,300 gal
Water off 1,000 sq ft of roof in West Slope
0.62 gal per sq ft per inch
Dec 5
First fall frost
median date
1964
Median year homes were built
ACS 2020–2024
84%
Homes built before 1980
ACS 2020–2024
Winter16.1 in
Spring9.2 in
Summer2.7 in
Fall11.2 in

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

Counting days with an inch of rain or more, West Slope sits near the middle of the 193 places in Oregon on this site (5.3 a year). By the age of its homes it sits 10th oldest by median year built of the 193 places in Oregon on this site (half built by 1964). By first frost it falls among the latest for the first fall frost of the 188 places in Oregon on this site (December 5).

When to clean gutters in West Slope

The first fall frost comes around December 5 in a typical year here, and the last spring frost around February 11 (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.

Weather and gutters in West Slope

NOAA Atlas 14 does not cover Washington and Oregon, so there is no current federal estimate of the short downpour for West Slope; NOAA plans published Atlas 15 estimates for the lower 48 states no earlier than September 2027. Here gutters are sized from the roof and the local building department’s design rate.

The houses in West Slope

Half the homes in West Slope were built by 1964, 84% before 1980 (ACS 2020–2024). Houses that age have often had their gutters replaced once already; if not, the original runs and the boards behind them deserve a close look. 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.

59% of households own their home, and 59% of homes are detached houses, 7% townhouses. If an association maintains the exterior, the gutters may be its job rather than yours; check before calling.

Hiring in Oregon

Licensing for gutter work differs from state to state; ask a contractor in West Slope which license or registration they hold in Oregon, and for proof of liability insurance. Hiring a gutter contractor

Gutter work in West Slope

With half the homes built by 1964, 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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