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St. Charles County

Gutters in O'Fallon

O'Fallon, Missouri, grew from under 9,000 people in 1980 to more than 91,000 in 2020, most quickly in the 1990s and 2000s. So most of its gutters went up within a couple of decades, and many are now coming due at the same time. (This page is about O'Fallon in Missouri, not the Illinois town.)

Place
O'Fallon, MO
County
St. Charles County
ZIP codes
63366, 63368
Landmarks
Fort Zumwalt Park, T.R. Hughes Boulevard, Civic Park

The houses

Mostly subdivisions from the 1990s and 2000s: two-story houses with big roofs, many gables and vinyl or fiber-cement siding above brick fronts. Many have original builder-installed gutters, often 5-inch with small downspouts.

The trees

Younger trees than the inner suburbs, so lighter leaf loads for now, but growing year by year. Open lots catch wind-blown debris and shingle grit. NWS reports named O'Fallon in the May 2025 hail.

Ground and water

Graded subdivision lots with swales between houses. Downspouts should feed those swales and not fight them, and fences or new patios can block the intended route.

Worth checking

  • Look for overflow at valley corners on two-story roofs, which often points to undersized builder gutters.
  • Inspect exposed runs for hail dents and split joints after storms.
  • Check that patios or fences haven't blocked your drainage swale.
  • Check HOA color rules before ordering replacements.

Permits

Ask the City of O'Fallon about permits, and check HOA rules on colors. City of St. Louis and St. Louis County rules don't apply here.

Work you can ask for in O'Fallon

Also: Seamless gutters, Replacement, Downspouts, Fascia & soffit, Box gutters, Half-round & copper, Storm damage, Commercial.

On the map

Map of O'Fallon
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Nearby

O'Fallon: questions

Who does gutter work in O'Fallon?

Independent local contractors. Gutter Installation St. Louis is a referral service: we pass your request on, and a contractor who can take the job contacts you directly. We don't do the work ourselves, and contractors may pay us a referral fee.

Who do I ask about a permit in O'Fallon?

Ask the City of O'Fallon about permits, and check HOA rules on colors. City of St. Louis and St. Louis County rules don't apply here.

What should I check first on a O'Fallon house?

Look for overflow at valley corners on two-story roofs, which often points to undersized builder gutters.

Place facts read from this reference and the official sources named on this page. Check ZIP codes and permit rules with the office named above.

Gutters in O'Fallon? Ask for a quote

Tell us about the house. We pass your request to an independent local contractor, who contacts you directly if they can take the job. The contractor sets the price and does the work.

This site is a referral service. We pass your request to independent local contractors. We do not do gutter work ourselves, and contractors may pay us a referral fee. You pay us nothing and you don't have to accept any quote.