Service
Downspouts & Drainage
A gutter only works as well as its downspouts. They decide how fast roof water leaves the gutter and where it lands, and that is what protects basements, foundations and planting beds.
- Rated 4.7 out of 5 from 141 Google reviews
- 30+ years in business
- 3 offices
- Family-owned and operated
- Fully insured crews

In short
New Jersey Gutter provides downspouts & drainage in Annandale, Somerville, Westfield and nearby communities. New Jersey Gutter is rated 4.7 out of 5 from 141 Google reviews. Call (888) 611-3987 or request a free estimate online.
Why downspouts matter as much as gutters
Every gallon a gutter collects has to leave through an outlet. If a downspout is too small, too far away or clogged at an elbow, the gutter fills and overflows no matter how clean it is. In a nor'easter or a summer cloudburst, an undersized downspout is often the first part of the system to give up.
2x3 or 3x4 downspouts
Rectangular aluminum downspouts come in two common sizes. A 2x3 handles small roof areas such as porches, dormers and short runs. A 3x4 carries roughly twice the water and resists clogging because leaves pass through more easily, which is why it pairs with 6-inch gutters and large roof planes.
Under heavy tree cover, 3x4 is usually the safer pick. Half-round gutters take round downspouts, typically 3- or 4-inch, which keep the traditional look. Copper gutters get copper downspouts so the whole system weathers to the same patina.
How many downspouts, and where
General practice is a downspout for every 30 to 40 feet of gutter, with long runs drained at both ends. Roof valleys pour a concentrated stream into one spot, so an outlet near a valley keeps that stretch from overflowing. Placement also matters on the ground: a downspout should not empty across a walkway, onto a driveway where it will freeze, or into a patio corner with nowhere to drain.
Moving water away from the foundation
The aim is to land roof water at least 4 feet from the foundation, and up to 10 feet where the yard slopes back toward the house or the basement has a history of dampness.
- Elbows turn the downspout out from the wall at the bottom.
- Extensions carry water farther across the lawn or bed.
- Hinged extensions lift out of the way for mowing and walkways.
- Splash blocks spread the stream so it does not dig a hole.
- Soil graded away from the house keeps water from flowing back.
Underground drain lines, explained
Some properties send downspouts into buried pipe that runs to a daylight outlet farther down the yard, to the curb or to a dry well. It keeps extensions off the lawn, but buried lines can clog with leaves and are hard to clear without a cleanout, and outlets can freeze.
Downspout repairs and clogs
Straps work loose, elbows get crushed by lawn equipment, and ice splits seams. Loose sections are refastened and damaged pieces replaced as part of a gutter repair. Clogs at elbows are cleared during a gutter cleaning. If a downspout clogs every season, it is often too small for the roof above it. To size outlets for your house, book a free estimate.
Costs
What downspouts & drainage costs
Researched New Jersey price ranges, what moves the price and how to read a quote.
Reviews
What our customers say
Rated 4.7 out of 5 from 141 Google reviews. Recent reviews that mention downspouts.
How it works
Streamlined 4-Step Gutter Project Installation For New Jersey
4 steps, in the order New Jersey Gutter works through them.
Free Project Price
Contact us for a complimentary quote, ensuring transparent pricing and personalized solutions for your home.
Select Materials & Color
Explore premium gutter materials and colors, creating a functional, seamless match for your home’s aesthetic.
Schedule Installation
Reserve your installation date with our experts, ensuring a hassle-free process that fits your timetable.
Install & Enjoy
Our skilled team promptly installs your new gutters, providing long-lasting protection and peace of mind.
Good to know
Warranty, financing and credentials
2 things to know about working with New Jersey Gutter.
Backed by our workmanship warranty
- Covers how the job was done: seams, hangers, pitch and fastening.
- Gutters, guards and other products also carry their manufacturer's material warranty.
- Your length and terms are written on your estimate and invoice.
- Financing
- Financing options
Service area
Areas we serve
Type your town or ZIP code, or open your county. New Jersey Gutter serves 193 towns and 216 ZIP codes in 12 New Jersey counties and Bucks County, PA.
Bergen County · 1 town
Bucks County · 2 towns
Essex County · 8 towns
Hunterdon County · 9 towns
Mercer County · 1 town
Middlesex County · 8 towns
Monmouth County · 12 towns
Morris County · 16 towns
Ocean County · 3 towns
Somerset County · 9 towns
Sussex County · 3 towns
Union County · 11 towns
Warren County · 4 towns
Our work
Recent projects
3 projects from New Jersey Gutter.
Services
Related services
6 related services.

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Typical $6–$20 per linear ft estimateLearn more
Gutter Repair
Gutter repair for leaking seams, sagging runs, standing water, pulled downspouts, dented sections and rotted fascia, and how.
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Gutter Installation
New seamless gutters for New Jersey and Bucks County homes: 5-inch or 6-inch K-style sized to your roof, matched downspouts.
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Prices on these cards are typical New Jersey ranges, labeled estimates; your price comes from a free on-site estimate. How a price is worked out
From the blog
Related articles
1 article from the New Jersey Gutter blog.
Guides
Helpful guides
1 guide from New Jersey Gutter.
FAQ
Frequently asked questions
7 questions and answers in 4 topics: Pricing, Process, Warranty, Service area.
Pricing
How do I get a quote?
Call (888) 611-3987 or request a free estimate online. The office is open Monday–Friday 7:00 AM–5:00 PM; Saturday 9:00 AM–4:00 PM.
Process
Should I upgrade to 3x4 downspouts?
If your gutters overflow near the outlets in heavy rain, or your downspouts clog with leaves every fall, the larger size usually helps. It is standard with 6-inch gutters and a good match for big roof areas and treed lots.
How far should a downspout drain from my house?
At least 4 feet from the foundation, and farther, up to about 10 feet, where the ground slopes toward the house or the basement takes on water. Extensions and splash blocks are the simplest way to get there.
Can I add another downspout to an existing gutter?
Usually, yes. A new outlet is cut into the gutter, the run is checked to slope toward it, and the downspout is strapped to the wall. It is a common fix for long runs that overflow in the middle.
Do you install underground drains?
No. We install and repair downspouts, elbows and extensions, and we will explain where the water from each downspout should end up. Buried lines and dry wells are planned separately.
Warranty
What warranty does New Jersey Gutter offer?
New Jersey Gutter backs its work with a workmanship warranty. It covers how the job was done: seams, hangers, pitch and fastening. Gutters, guards and other products also carry their manufacturer's material warranty. Your length and terms are written on your estimate and invoice.
Service area
Where does New Jersey Gutter offer downspouts & drainage?
New Jersey Gutter offers downspouts & drainage across Annandale, Somerville, Westfield and nearby communities. Find your town in the list of areas on this page.

Our work
Downspouts & Drainage project gallery
109 projects with photos, by county.
Paint roller applying white coating to a flat roof
Ready when you are
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Downspouts & Drainage
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