Denver metro and Front Range communities within ~100 miles of Denver Free estimates (720) 325-9473
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Gutters & Drainage

Downspouts & Drainage in Denver, Colorado

The gutter's job ends where the downspout's begins. We make sure roof water lands feet away from your foundation — not against it.

The service

Downspouts & Drainage for Front Range conditions

Much of the Front Range sits on expansive clay soils that swell when wet and shrink when dry. A downspout dumping at the foundation corner cycles that clay through wet-dry swings all season — and that movement is behind a large share of the basement cracks and sticking doors Denver homeowners chase for years.

We install, resize, and reroute downspouts so water exits where it should: correctly sized outlets, secure strapping, and extensions that carry discharge well clear of the foundation and onto grade that slopes away. Where surface extensions won't work, we'll talk through low-profile and routed options that keep walkways clean and water moving.

Colorado note

Expansive soils don't forgive short downspouts

Bentonite-rich clays along the Front Range can move measurably as moisture changes. Foundation specialists' first prescription is almost always the cheapest one: get roof water discharging several feet from the wall, onto ground that slopes away. It's a small line item that protects the most expensive thing you own.

Scope

What’s included

  • Downspout sizing matched to gutter capacity
  • New outlets where runs are over-loaded
  • Secure strapping into solid material
  • Extensions carrying water 4–6+ feet from the foundation
  • Splash blocks and grade-aware discharge placement
  • Rerouting away from walks, patios, and window wells

Choices

Options & materials

Capacity

Oversized 3×4 Downspouts

Roughly double the flow of standard 2×3 spouts and far harder to clog. Standard on our 6-inch gutter systems.

Protection

Extension & Discharge Kit

Rigid or hinged extensions plus splash blocks, placed with the grade so water keeps moving away from the house.

Clean look

Reroute & Conceal

Relocating awkward downspouts off entries and patios, with tidy routing that respects the home's lines.

How we work

Four steps. Zero surprises.

Good questions

Questions homeowners ask

How far should downspouts discharge from the foundation?

Four to six feet is the working minimum on Colorado clay; farther is better where grading allows. The goal is discharge onto soil that slopes away from the house so water never pools against the foundation.

My downspout splashes onto the sidewalk and ices over — options?

Yes: reroute the downspout to discharge on the landscape side, add a hinged extension you can lift for mowing, or redirect the run to a different outlet entirely. Winter walkway ice from a downspout is a solvable routing problem, not a fact of life.

What size downspouts do I need?

Standard 2×3 spouts pair with 5-inch gutters on typical roof loads. Large or steep roof planes, and any 6-inch gutter, should drain through 3×4 spouts — about twice the capacity and much more resistant to clogging with leaves and pine needles.

Do you connect downspouts to buried drain lines?

We install surface solutions — extensions, splash blocks, rerouting — and prep clean connections where buried lines already exist. For new underground drainage we'll refer a trusted excavation partner and coordinate so the handoff is seamless.

Pairs well with

Related services

Gutter Installation

Complete new gutter systems sized for Front Range storms and snow load.

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Seamless Gutters

Roll-formed on-site to your exact roofline — no mid-run seams to split or leak.

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Gutter Repairs

Leaks, sags, hail dents, and detached runs — fixed fast and fixed honestly.

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Free estimates · No pressure

Ready for downspouts & drainage?

Free on-site walk-through, a written line-item quote, and honest advice — even when the honest advice is a smaller job.