How much does gutter installation cost per foot in Harahan?

Seamless aluminium is estimated at $6 to $9 a foot fitted on a 5 inch profile and $8 to $12 on 6 inch. Galvanised steel runs about $5 to $10, and half round copper $20 to $40. Those are installed prices including hangers, outlets and downspouts, and they assume the fascia is sound enough to hang from.

How much should 100 feet of seamless gutters cost?

On a 5 inch aluminium profile, roughly $600 to $900 fitted. Two hundred feet is roughly $1,200 to $1,800 on the same profile, and a house needing 6 inch gutters would sit above that. A typical whole home job of 120 to 180 feet lands between about $800 and $2,200.

Why is one quote so much cheaper than another?

Usually the number of downspouts, sometimes the profile, occasionally the gauge of the aluminium. The gutter is a channel and the downspout is the drain, so a quote with fewer or smaller outlets is genuinely cheaper and genuinely carries less water. Compare the drop count and the outlet size before comparing the price per foot.

What size gutter do I need for my house?

Under about 4,000 square feet of roof draining into the system, 5 inch K style is normally right. Above that, or on a steep roof of any size, we go to 6 inch with 3 x 4 downspouts. The roof area feeding each run decides it, not the size of the house.

How many downspouts do I need?

On 5 inch we work to about one 2 x 3 downspout per 20 feet of gutter, and on 6 inch about one 3 x 4 per 30 to 35 feet. A steep roof gets the spacing tightened again, because it delivers water to the gutter faster than a shallow roof of the same area. The 5.39 inches per hour NOAA records for these coordinates is a severity measure rather than the spacing calculation itself, and a steeper or larger roof tightens the numbers further.

Seamless or sectional?

Seamless, on any house we would quote. Sectional gutter is joined every few feet and each joint is a sealed bead that has to survive Louisiana heat cycling, which is where those systems leak. A seamless run is rolled on site to the exact length, so the only joints left in the trough are at corners, outlets and end caps.

How long do aluminium gutters last here?

Twenty to thirty years for the metal itself on this coast, with the paint finish normally carrying a manufacturer warranty of around twenty years. Vinyl is the outlier at roughly five to ten years on the Gulf coast, which is why we do not fit it.

Do I need a permit to have gutters fitted in Harahan?

Not for gutter work on its own. The 2025 rule covers roof construction and re roofing, and neither the City of Harahan nor Jefferson Parish treats gutters as a roof covering. Where a job extends into roof work, or the fascia is being rebuilt, we confirm the position with the office that covers your address before starting.

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Gutter Installation in Harahan, LA

Big Easy Roofing installs seamless gutters and downspouts across Harahan and east bank Jefferson Parish, formed on site to the exact length so the run carries no mid run joints at all. The gutter profile and the downspout count both follow from the roof area feeding each run and the rate the rain arrives at, and the table below shows how we set them.

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Service

City

$6 to $40 /lfEstimated installed cost

1 to 2 daysTypical install time

No permitNot a roof covering

20 to 30 yrsAluminium service life

Harahan gutter installation at a glance

A whole home seamless aluminium system is estimated at $6 to $12 per linear foot fitted, which puts a typical 120 to 180 foot house between about $800 and $2,200. Copper and steel sit outside that. Installation takes one to two days.

Estimated cost band

$800 to $2,200

A whole home residential install in seamless aluminium, typically 120 to 180 linear feet, which is where the $6 to $12 a foot rate lands. Copper is a different order of cost. Call Big Easy Roofing on (504) 800-8196 and we will measure the runs and the roof area feeding them before quoting.

Typical duration

1 to 2 days

Time on site from taking the old runs down to splash blocks in place, depending on linear footage, access and how many downspout drops are going in.

Which office covers you

City or parish, by boundary

Gutters are not a roof covering, so a gutter installation does not trigger the state reroof rule that came in during 2025 and no permit is pulled for gutter work on its own. Where a job extends into roof work or a full fascia rebuild we confirm the position with the office that covers your address before continuing.

Materials fitted

4 systems

Seamless 5 inch and 6 inch K style aluminium, galvanised steel, and half round copper on historic or slate roofed houses. We do not fit vinyl, which gives roughly five to ten years on the Gulf coast before it goes brittle.

What sets the size

Roof area and rainfall

A gutter is sized from the roof area draining into it against the rainfall rate it has to carry. NOAA Atlas 14 records a 100 year 60 minute rainfall rate of 5.39 inches per hour for the Harahan coordinates, which is a measure of how hard the rain here can fall. Spacing is calculated per run from the area draining into it.

Warranty

20 yr paint

Aluminium coil stock normally carries a manufacturer paint warranty of around twenty years, and our workmanship warranty covers the hanging, the seams and the outlets. The paint terms are the manufacturer's, so we confirm what they require before starting.

Every figure on this page is an estimate, not a quote, and is subject to Big Easy Roofing sign off. Cost and timescale depend on size, pitch, access, weather, materials and whatever is found once work starts, so call Big Easy Roofing on (504) 800-8196 and we will come out and give you an estimate for your own roof.

Gutters are quoted by the foot, so price per foot is the number to start from. Seamless aluminium is estimated at $6 to $9 a foot on a standard 5 inch profile and $8 to $12 on 6 inch, so a hundred feet of 5 inch lands around $600 to $900 fitted and two hundred feet around $1,200 to $1,800. Steel is a little under aluminium, copper is several times over it.

What that per foot number hides is the part that decides whether the system works. Two houses with identical gutter lengths can need very different numbers of downspouts, because the gutter is only a channel and the downspout is the drain. Capacity comes from the roof area feeding a run against the rainfall rate that run has to carry, and this address sits at the harder end of that: NOAA Atlas 14 records a 100 year 60 minute rate of 5.39 inches per hour for the Harahan coordinates, against 4.81 for Covington and 4.0 for Baton Rouge Ryan Field.

So the honest way to compare two quotes here is not the price per foot. It is how many downspouts each one includes and what size they are, because that is where a cheaper quote usually saves its money, and it is the part you notice in the first hard storm rather than on the invoice.

How we size a system for a Harahan roof

The profile follows the roof area draining into the run, and the downspout count follows the rainfall it has to move. These are the specifications we work to and the estimated installed cost for each, before access and fascia condition are looked at.

Roof area drained	Profile we fit	Downspouts	Estimated cost per foot
Up to 4,000 sq ft	5 inch K style aluminium	2 x 3, one per 20 feet of gutter	$6 to $9
4,000 to 6,000 sq ft	6 inch K style aluminium	3 x 4, one per 35 feet of gutter	$8 to $12
6,000 to 8,000 sq ft	6 inch K style aluminium	3 x 4, one per 30 feet of gutter	$8 to $12
Steep pitch, any area	6 inch K style aluminium	3 x 4, spacing tightened again	$8 to $12
Historic or slate roof	Half round copper	3 inch round copper	$20 to $40
Steel option	5 or 6 inch K style steel	As the aluminium equivalent	$5 to $10
Vinyl	Not fitted	Not fitted	Five to ten years here, so we skip it

Estimated ranges, not quotes, and they assume sound fascia to hang from. The spacings are the starting point we work from and are then set against the roof area actually draining into each run, because twenty feet of gutter under a deep roof plane carries far more than twenty feet under a porch. A steep roof delivers water to the gutter faster than a shallow one of the same area, which is why the spacing tightens rather than the profile changing again. Call (504) 800-8196 and we will measure the runs and the roof area feeding them and put the specification in writing.

Why the downspout count matters more than the profile here

Two quotes can offer the same gutter at the same price a foot and perform completely differently in a storm. That difference comes down to outlet count far more often than to the gutter profile, and that is set by rainfall intensity rather than by the length of the run.

The rate the system has to carry

5.39 inches per hour

NOAA Atlas 14 records a 100 year 60 minute rainfall rate of 5.39 inches per hour for the Harahan coordinates. Rain here arrives in short heavy bursts, and it is the burst rather than the annual total that a gutter has to survive. The rate is a step up from the 4.81 inches per hour recorded for Covington and the 4.0 for Baton Rouge Ryan Field. Those are the three we have checked rather than the whole service area, and the comparison is a measure of severity rather than the spacing calculation itself.

Capacity is area against rate

Not length

A run is sized from the roof area draining into it and the rainfall rate it has to carry, so the higher the rate, the smaller the roof area each downspout can safely handle. Two houses with the same footage of gutter can therefore need a different number of drops.

Which is why we count drops first

Then price the foot

On a Harahan house the specification we start from is where the water leaves, not what the front edge looks like. The profile follows from the roof area, the drop count follows from the rate, and the price per foot is the last thing worked out rather than the first.

No permit for gutter work

Not a roof covering

The state rule that came in during 2025 covers roof construction and re roofing. Gutters are not a roof covering, so a gutter installation sits outside it whether the address falls inside the Harahan city limits or in the unincorporated parish, which a 70123 ZIP does not tell you on its own. If the job extends into roof work we confirm the position with the office that covers your address before starting.

Seamless against sectional, and why we form on site

A sectional gutter is made of lengths joined every few feet, and every joint is sealed with a bead that has to survive Louisiana heat cycling. Those joints are where sectional systems leak, before the metal itself is finished.

A seamless run is rolled from a single coil on site to the exact length of the elevation, so the only joints left in the trough are at corners, outlets and end caps, which are the places a gutter can be detailed properly anyway. It costs a little more to fit and it removes the leak path that sectional systems fail at, which is why we fit it as standard rather than as an upgrade. It also means a run can be made to whatever length the elevation needs, so a long unbroken front does not have to be joined at all.

What to check on any gutter quote in this market

Ask how many downspouts are included and what size they are, and ask what roof area each one is being asked to drain. A quote that specifies 2 x 3 outlets on a large or steep roof is cheaper for a reason, and the saving is real but it is taken out of capacity.

Ask, too, what happens if the fascia will not hold new hangers. It is common on an older house, it changes the price, and it is better itemised on the quote than discovered on the day. On our scopes that is a separate line, agreed before the crew starts.

Ask too what happens to the water once it reaches the ground, because a quote that stops at the bottom of the downspout leaves the cheapest part of the job to you.

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What shortens a gutter system in this climate

Three things decide whether a new system reaches its service life here: what it is made of, what it is hung on, and whether it was sized for the rainfall rate this address actually has to carry. All three are settled at install and cost very little to get right at that point.

Material choice, and why vinyl is not offered

Vinyl gutter is cheap to buy and it is the one material we will not fit here. Ultraviolet and sustained heat make it brittle, and a brittle gutter cracks at the hanger rather than bending, so in sustained Gulf heat it can be down at five to ten years against twenty to thirty for aluminium.

Aluminium is the sensible default: it does not rust, it takes a baked paint finish that normally carries around a twenty year manufacturer warranty, and it can be rolled seamlessly on site. Steel is stronger where impact is a concern and costs a little less, but it needs its finish kept intact. Copper is a different decision, made on appearance and longevity rather than on cost.

The fascia is the part that actually fails first

A gutter is only as sound as the timber it hangs on. Hidden hangers screw into the fascia board, and on an older house that board can have taken years of water off the run being replaced, which is often part of the reason the old system is coming down.

Hanging a new system on softened fascia buys a sag before long, so the board gets checked before anything is ordered. Where it needs replacing that is priced as its own line and agreed first, because it is joinery rather than gutter work and it should be visible on the quote.

Higher than the other rates we have checked

NOAA Atlas 14 puts the 100 year 60 minute rate at 5.39 inches an hour for the Harahan coordinates, against 4.81 for Covington and 4.0 for Baton Rouge Ryan Field. Those are the three we have checked, not the whole service area. That gap is why an outlet count borrowed from a drier market is worth questioning here.

It shows up as outlet count rather than as gutter size, which is why two quotes at the same price a foot can behave completely differently in a storm. We tell you how many downspouts the calculation asks for and where they land, because that is the part of a gutter quote worth comparing.

Big Easy Roofing Process

Three steps and a free measure. The roof area is measured as well as the gutter length, because that is what decides the specification rather than the frontage.

A roofer in a high visibility vest measuring a fascia and downspout run from a ladder

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Free measure and specification

We measure every run, work out the roof area draining into each one, check the fascia is sound enough to hang from, and set the profile and the number of drops from that. You get the specification, not just a total.

Written quote, per foot and per drop

The quote gives the linear footage, the profile, the number and size of downspouts, the material and colour, and any fascia work as its own line. Nothing is added later without your agreement.

Formed on site and fitted

The runs are rolled seamlessly on site to the exact length, hung on hidden hangers, outlets and downspouts fitted, discharge taken clear of the foundation, and the site left clear. Typically one to two days. Call (504) 800-8196 to book the measure.

Everything else we do in Harahan

The rest of the Big Easy Roofing services available in Harahan, each with its own page, crew and written scope. Where the fascia behind an old run has softened, that is priced as its own line before new gutters go up, because new hangers need sound timber.

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