Worked example: 160 ft of seamless aluminum, four downspouts
160 ft at $7/ft is $1,120; four downspouts add $480; removing the old sectional gutters adds $240. Total lands near $1,840 — $11.50 per linear foot all-in, which is typical for a one-story with removal. Quotes from $1,550 to $2,400 are competitive. Add gutter guards and the same job prices near $3,100.
- • Fewer, bigger downspouts beat many small ones: one 3×4 downspout handles ~1,200 sq ft of roof.
- • Fascia rot discovered at removal is the common add-on: $6–$10/ft to replace fascia board.
- • 5-inch K-style is standard; 6-inch is worth the small premium in heavy-rain regions.
When to replace instead of repair
Sectional gutters with seam leaks, sagging runs, or rust-through are replace candidates — seam re-sealing is a 1–2 year patch. Seamless replacement eliminates the failure mode entirely. If the gutters are fine but overflowing, the problem is usually downspout count or pitch, not the gutter itself — a $300 re-pitch beats a $2,000 replacement.
FAQ
How much do new gutters cost for a typical house?
$1,200–$2,500 for seamless aluminum on an average one-to-two-story home (150–200 linear ft). Copper runs $3,500–$7,500 for the same footage.
Are gutter guards worth it?
At $6–$12/ft they pay back in 3–5 years if you currently pay for twice-yearly cleaning ($150–$300 per visit) — and they're near-essential for two-story homes where DIY cleaning is unsafe.
How long do gutters last?
Aluminum 20–30 years, galvanized steel 15–25, copper 50+. The fasteners and sealant usually fail before the metal does.
Can I install gutters myself?
Sectional vinyl/aluminum from a home store, yes on a one-story. Seamless gutters are formed on-site from a coil machine — that's pro-only work, and it's most of the market.
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