Downspouts block where they meet the gutter, pull loose from the wall, or come apart at an elbow, and any of the three stops water leaving the roof cleanly. Because the downspout is where a whole run's water is funnelled, a fault here backs up the entire gutter above it, so an overflowing gutter is often a downspout problem in disguise.
Gutter Answers connects you with licensed local companies. We are not a contractor and do not perform the work ourselves.

The fix depends on which of the three you have.
For the wider run of gutter faults, see what goes wrong with gutters.
Most downspout work is a modest per visit or per section charge.
| Repair | Typical range |
|---|---|
| Clear a blocked downspout | $100 to $250 |
| Refix a loose downspout | $75 to $200 |
| Replace an elbow or section | $100 to $250 |
| Add an outlet to reduce overflow | Priced with the run |
Bundling with a gutter clean is usually the better value.
When the gutter overflows but looks clear along its length, the outlet or the downspout below it is the usual culprit. Water is arriving faster than the blocked outlet can take it away.
For what a fresh run and downspouts cost, see how installed gutter prices are built up.
Debris collects at the outlet where the gutter narrows into the pipe. Guards and a regular clear reduce it, but the outlet is always the pinch point.
Roughly 75 to 250 dollars depending on the fault, from clearing a blockage to replacing an elbow, often with a minimum charge.
The outlet or downspout below it is likely blocked, so water arrives faster than it can leave. That backs up an otherwise clear gutter.
Often yes, by refixing it to the wall with new brackets. A crushed or failed section usually needs replacing with matching pipe.
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