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Fairfax city, Virginia

Gutter cleaning, repair and new gutters in Fairfax, VA

Fairfax gets about 44 inches of rain in a normal year, and on about 10 days a year an inch or more falls in a single day. The wettest season is summer (June to August), with about 11.9 inches; the driest is winter (December to February), with 9.3. That is about 27,000 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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Fairfax: rain and roofs

NOAA station USC00448737, 3 mi
43.6 in
Rain in a normal year, Fairfax
NOAA normal, VIENNA
10.2
Days with an inch or more
a year
27,000 gal
Water off 1,000 sq ft of roof in Fairfax
0.62 gal per sq ft per inch
6.76 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 2
Oct 29
First fall frost
median date
1967
Median year homes were built
ACS 2020–2024
68%
Homes built before 1980
ACS 2020–2024
Winter9.3 in
Spring11.5 in
Summer11.9 in
Fall10.8 in

Bars to one scale; the longest is summer (June to August).

For days with an inch of rain or more, Fairfax ranks near the middle of the 375 places in Virginia on this site (10.2 a year). Its housing ranks 55th oldest by median year built of the 373 places in Virginia on this site (half built by 1967). By its first fall frost it sits near the middle of the 375 places in Virginia on this site (October 29).

When to clean gutters in Fairfax

The first fall frost comes around October 29 in a typical year here, and the last spring frost around April 14 (median dates, NOAA normals). Plan the fall visit for after the frost, when the trees over the roof have finished dropping, and the spring visit for after the pollen and catkins.

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

Gutter and downspout size for Fairfax rain

What overwhelms a gutter is a burst, not a season. In Fairfax the five-minute rain expected about once in ten years falls at 6.76 inches an hour (NOAA Atlas 14 Volume 2). At that rate one 2-by-3-inch downspout drains about 1,070 square feet of roof and one 3-by-4-inch downspout about 2,130, 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 Fairfax

Half the homes in Fairfax were built by 1967, 68% 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.

69% of households own their home, and 54% of homes are detached houses, 17% townhouses. In a townhouse or HOA community, check who owns the gutters and what colors are allowed before booking.

Hiring in Virginia

Virginia requires a Board for Contractors license for any contract over $1,000; gutter work on a home falls under the home improvement specialty (HIC) or the residential building classification. Ask for the license number and class, and look it up before signing.

Source: Code of Virginia § 54.1-1100. Look-up: Virginia DPOR, license lookup.

Gutter work in Fairfax

With half the homes built by 1967, 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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