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Downspout Installation Cost: $30–$255 (Average $53) in 2026

Author: CostGuideHQ Editorial·✓ Fact-checked·Updated July 2026·7 min read·6 sources·US national averages, USD
Quick answerQuick answer: Installing or replacing one downspout costs $30 to $75, averaging about $53. A typical home needs 4 to 5 downspouts, running $220 to $625 for the full set. Seamless downspouts, taller homes, and underground drainage extensions all push the price higher.
  • Replacing or adding one downspout costs $30 to $75 on average, or $220 to $625 to replace all 4 to 5 downspouts on a typical home (HomeGuide).
  • Seamless downspouts cost $60 to $255 to replace, versus $30 to $75 for a standard sectional downspout (HomeGuide).
  • Material drives per-foot pricing — vinyl and aluminum installed run $2 to $4 per linear foot, while copper runs $14 to $34 (HomeGuide).
  • Burying a downspout underground with a catch basin and drainpipe costs $150 to $350 per downspout, versus $5 to $25 for a basic above-ground extension or splash block (HomeGuide).

How much does downspout installation cost?

National average
$53
per downspout
Typical range
$30–$255
Most projects
Whole project
$220–$625
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Cost by material / type

TypeLowHigh
vinyl/PVC$2$3
aluminum$3$4
galvalume$6$10
galvanized steel$5$11
seamless$5$16
zinc$10$19
copper$14$34
Estimate your cost
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Rough estimate only — get local quotes for exact pricing.

What affects the cost?

  • Material choice — vinyl and aluminum are cheapest to install at $2-$4 per linear foot, galvanized steel and galvalume run $5-$11, zinc runs $10-$19, and copper tops the list at $14-$34 per linear foot (HomeGuide); Bob Vila's per-foot figures run notably higher — vinyl $5-$8, aluminum $9-$12, copper $17-plus (Bob Vila)
  • Number of downspouts the house needs — most homes need 4 to 5 downspouts, or roughly one every 30 to 40 feet of gutter (HomeGuide)
  • House height/number of stories — replacing 4-5 downspouts runs $120-$375 on a one-story home versus $220-$625 for two stories and $315-$875 for three-plus stories, since taller runs need more material and safety equipment (HomeGuide)
  • Sectional vs. seamless downspouts — seamless downspouts cost $60-$255 to replace versus $30-$75 for a standard sectional downspout, because seamless is custom-fabricated on-site (HomeGuide)
  • Downspout extensions and underground drainage — a basic above-ground extension or splash block runs $5-$25, while burying a downspout underground with a catch basin, drainpipe, and bubbler system runs $150-$350 per downspout (HomeGuide)
  • Rainwater collection add-ons — connecting a rain barrel to a downspout costs $50-$200 in kit materials (HomeGuide) or $80-$200 per barrel installed (HomeGuide drainage guide)
  • Removal and labor — a standard downspout section runs $10-$30 in materials plus $20-$45 in labor for removal and installation (HomeGuide)
  • Accessories — downspout screens and rodent guards run about $5-$8 each (Bob Vila, HomeAdvisor), and splash blocks range from $6-$66 depending on material and style (This Old House, Bob Vila, HomeAdvisor)
  • Contractor size and labor market — larger, more established gutter companies charge more but bring better oversight, according to Robert Word, founder and CEO of Holy City Gutterworks (This Old House)

How much does it cost to install a downspout?

A single downspout costs $30 to $75 to replace or add — about $53 on average — and most homes need 4 to 5 of them, which runs $220 to $625 to replace as a full set (HomeGuide). New downspout installation runs $2 to $4 per linear foot for vinyl or aluminum, the two cheapest and most common materials. Break the per-downspout price down and it’s mostly a $10 to $30 material cost for a standard 10- to 15-foot section, plus $20 to $45 in labor for removal and installation (HomeGuide). Seamless downspouts cost significantly more to replace — $60 to $255 — because they’re custom-fabricated on-site rather than assembled from stock sections. No other major source prices downspouts as their own line item the way HomeGuide does; HomeAdvisor and Fixr mostly report downspouts folded into a whole-gutter-system average ($1,181 and $3,223 respectively), which is why this guide treats downspouts as a standalone project rather than a footnote on a full gutter job.

What affects the cost?

A few factors explain most of the spread between a $30 downspout and a $255 one:

  • Material. Vinyl and aluminum are cheapest to install at $2 to $4 per linear foot; galvanized steel and galvalume run $5 to $11; zinc runs $10 to $19; and copper tops the list at $14 to $34 per linear foot (HomeGuide). Bob Vila’s per-foot figures run notably higher across the board — vinyl $5 to $8, aluminum $9 to $12, copper $17 and up.
  • House height. Taller runs need more material and safety equipment: replacing 4 to 5 downspouts costs $120 to $375 on a one-story home, $220 to $625 on two stories, and $315 to $875 on three-plus stories (HomeGuide).
  • Sectional vs. seamless. Seamless downspouts cost $60 to $255 to replace versus $30 to $75 for a standard sectional downspout (HomeGuide), since seamless is fabricated on-site to fit the run exactly.
  • How many downspouts you need. Most homes need 4 to 5, or roughly one every 30 to 40 feet of gutter (HomeGuide) — more downspouts means a higher total even when the per-unit price doesn’t change.
  • Contractor size. “Larger, more established [gutter] companies will have a higher price, but it comes with improved customer service and project oversight,” says Robert Word, founder and CEO of Holy City Gutterworks (This Old House).

How much do downspout extensions and underground drainage cost?

A basic above-ground extension or splash block costs $5 to $25 (HomeGuide) — enough to redirect water a few feet from the foundation. Bob Vila’s figures run a bit higher: $10 to $50 for the extension itself plus $30 to $100 for installation, and This Old House pegs splash blocks specifically at $6 to $66 depending on material and style, since decorative options cost more than a basic concrete block. For homes that need water routed further away, burying a downspout costs $150 to $350 per downspout, which includes a catch basin, up to 10 feet of extension, trenching, drainpipe, and a bubbler system that pops the water out away from the house (HomeGuide). Underground downspout extensions run $15 to $35 per linear foot on their own as part of a broader yard-drainage job. Homeowners adding rain barrels instead pay $80 to $200 per barrel installed, or as little as $50 to $200 in kit materials for a DIY connection (HomeGuide).

How to lower your downspout installation cost

  • Choose vinyl or aluminum over copper or zinc unless you specifically want the look or longevity — material alone spans $2 to $34 per linear foot (HomeGuide).
  • Stick with sectional downspouts instead of seamless if budget is the priority — sectional replacement runs $30 to $75 versus $60 to $255 for seamless (HomeGuide).
  • Use an above-ground extension or splash block instead of burying the line when your yard already slopes away from the house — $5 to $25 instead of $150 to $350 per downspout (HomeGuide).
  • Bundle downspout work with your gutter installation rather than hiring separately, since one crew handling both is typically more efficient than splitting the job across contractors.
  • Get multiple quotes, especially for taller homes, since story count alone swings total replacement cost from $120–$375 to $315–$875 (HomeGuide).

Prices vary by region, house height, and material, so treat the figures above as a planning budget. Get two or three local quotes, and confirm whether extensions, underground drainage, and screens are included before committing to a final number.

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Frequently asked questions

How much does it cost to install one downspout?
A single downspout costs $30 to $75 to replace or add, made up of $10 to $30 in materials for a standard 10- to 15-foot section plus $20 to $45 in labor for removal and installation (HomeGuide). Adding a new downspout runs $2 to $4 per linear foot installed for vinyl or aluminum.
How much does it cost to replace all the downspouts on a house?
Most homes need 4 to 5 downspouts, and replacing the full set costs $220 to $625 (HomeGuide). The exact price depends on house height: $120 to $375 for a one-story home, $220 to $625 for two stories, and $315 to $875 for three-plus stories.
How much more do seamless downspouts cost than sectional?
Seamless downspouts cost $60 to $255 to replace on average, compared to $30 to $75 for a standard sectional downspout (HomeGuide), because seamless downspouts are custom-fabricated on-site instead of assembled from pre-cut sections.
What's the cost per linear foot by downspout material?
Installed cost per linear foot: vinyl/PVC $2 to $3, aluminum $3 to $4, galvalume $6 to $10, galvanized steel $5 to $11, seamless $5 to $16, zinc $10 to $19, and copper $14 to $34 (HomeGuide). Bob Vila reports notably higher per-foot rates for the same materials — vinyl $5 to $8, aluminum $9 to $12, copper $17 and up.
How much does a downspout extension or splash block cost?
A basic above-ground extension or splash block runs $5 to $25 (HomeGuide). Bob Vila cites a wider range for extensions — $10 to $50 in materials plus $30 to $100 for installation — and This Old House puts splash blocks specifically at $6 to $66 depending on material and style.
How much does it cost to bury a downspout underground?
Burying a downspout underground with a catch basin, drainpipe, trenching, and bubbler system costs $150 to $350 per downspout (HomeGuide). Underground downspout extensions alone run $15 to $35 per linear foot, and adding a rain barrel to the system costs $80 to $200 (HomeGuide).
How much do downspout screens or rodent guards cost?
Downspout screens and rodent guards cost $5 to $15 each (HomeGuide), or about $5 to $8 each according to Bob Vila and HomeAdvisor.

Sources

Figures synthesized and cross-checked across these sources (retrieved 2026-07-28):

  • HomeGuide — Average cost to replace or add one downspout: $30-$75. Total cost to replace all downspouts (4 to 5): $220-$625. Adding new downspouts costs $2-$4 per linear foot installed. Installed cost per linear foot by material: aluminum $3-$4, vinyl/PVC $2-$3, galvanized steel/metal $5-$11, copper $14-$34, seamless $5-$16, galvalume $6-$10, zinc $10-$19. Replacements add $1 per linear foot. Downspout replacement cost by house height: one-story (10'-15') $120-$375, two-story (18'-25') $220-$625, three-story (26'-35') $315-$875. Downspout extension cost: splash block $5-$15, vinyl drain-sleeve extension $5-$20 (material only). Burying downspouts underground costs $150-$350 per downspout, including an extension up to 10' long, trenching, a catch basin, drainpipe, and bubbler system; rain barrel kit materials $50-$200; catch basin extension kit materials $20-$65; dry well installation $300-$1,500. Downspout replacement cost factors: materials (10'-15' section) $10-$30, labor (removal + installation) $20-$45, total cost to replace $30-$75; seamless downspouts cost $60-$255 to replace on average. Rodent guards/screens $5-$15 each. Downspout and gutter painting $1-$4 per linear foot. Downspout and gutter replacement (full system) costs $2,200-$5,000 or $12-$25 per linear foot.
  • HomeGuide — An underground downspout drainage system costs $150-$350 per downspout to install, including a catch basin, downspout extension, trenching, drain pipe, and bubbler system. Downspout extensions alone cost $5-$25 each. A bubbler system costs $30-$85 to add. Rain barrels attached to gutter downspouts cost $80-$200 each. Underground downspout extensions run $15-$35 per linear foot as part of a yard drain cost table. A dry well costs $50-$700 for gravel or prefabricated plastic tank types, or up to $3,000 for a concrete tank.
  • Fixr — Downspouts cost between $7.43 and $13.51 per linear foot to install, with the price depending on the downspout's material, similar to gutter material. Gutter removal costs $1.31-$2.38 per linear foot. Whole-home gutter installation (200 linear feet): aluminum $1,467-$2,668, copper $3,491-$6,352, vinyl/PVC $1,044-$1,900, steel $1,344-$2,445, wood $3,384-$6,157, zinc $3,192-$5,808. National average for gutter installation is $3,223, range $2,320-$4,222.
  • Bob Vila — Vinyl downspouts cost about $5 to $8 per foot, aluminum downspouts cost $9 to $12 per foot, and copper downspouts can cost $17 per foot and up. Downspout extensions direct water away from the home and cost between $10 and $50 depending on type and length, plus an additional $30 to $100 for installation. Downspout screens cost about $8 apiece. Splash blocks cost around $10 each. Rodent guards cost about $5 each. Gutter installation cost overall ranges from $622 to $1,677, with a national average of $1,135.
  • This Old House — Additional gutter parts, retail price range per unit based on The Home Depot pricing: downspouts $4-$21, brackets $2-$17, elbows $4-$8, end caps $2-$10, hangers $2-$17, splash blocks $6-$66. Gutter installation overall costs $12-$62 per linear foot of material ($37 average), or $2,303-$12,067 to install 200 linear feet on a 2,000-square-foot home. Robert Word, founder and CEO of Holy City Gutterworks, notes that 'Larger, more established [gutter] companies will have a higher price, but it comes with improved customer service and project oversight.'
  • HomeAdvisor — Downspout screens cost $8 each. Splash blocks cost $10 each. Gutter foam costs $1.50 per linear foot. Rodent blocks cost $5 each. Flashing costs $20 per foot. Gutter guards average $1,500. Gutter replacement overall costs an average of $1,181, between $629 and $1,735, or $4-$40 per linear foot.

Downspout installation is usually priced per downspout (not per whole-house project), and HomeGuide is the only source with a dedicated downspout cost page, so it anchors the headline figures: $30-$75 to replace or add one standard downspout, up to $60-$255 for a seamless downspout, and $220-$625 to replace a typical set of 4-5 downspouts on a house (used here as project_low_usd/project_high_usd). range_low_usd ($30) and range_high_usd ($255) span HomeGuide's own low (sectional aluminum/vinyl) to high (seamless) per-downspout figures. national_average_usd ($53) is a synthesized midpoint of that per-downspout range, since no source publishes a single national-average dollar figure for downspouts alone (they publish it bundled into whole-gutter-system averages instead, e.g. HomeAdvisor's $1,181 gutter-and-downspout average or Fixr's $3,223). by_type (installed cost per linear foot) comes from HomeGuide's material table. Sources disagree meaningfully on per-linear-foot downspout pricing: HomeGuide's installed rates for vinyl ($2-$3) and aluminum ($3-$4) run well below Fixr's blended downspout-installation rate ($7.43-$13.51/ft) and Bob Vila's per-material rates (vinyl $5-$8, aluminum $9-$12, copper $17+), likely reflecting different assumptions about labor overhead, region, and whether the figure is materials-only or fully installed. Underground drainage and rain barrel figures are corroborated across two HomeGuide guides (the downspout page and the drainage-system page), which independently agree on $150-$350 per downspout to bury underground.