Aluminum fence cost guide · Galveston, TX

What Actually Drives Aluminum Fence Cost Per Foot?

There’s no single honest number for “aluminum fence cost per foot” — the rail and picket construction tier, the fence’s height, whether a run includes a gate, and the finish grade each change what a foot of fence actually costs to build. Generic national ranges you’ll find elsewhere aren’t sourced to anything. Here’s exactly what each factor changes and why, backed by one manufacturer’s published fence specification, plus a calculator that checks your own written quote’s real per-foot rate.

  • Reviewed Oct 20, 2026
  • Source: Ultra Aluminum Fence & Gate Spec
  • Quote-rate calculator
Black flat-top metal fence on a sandy waterfront with a pier in the distance
An ornamental metal fence on a Gulf Coast waterfront lot. Rail tier, height, gates and finish grade each move the per-foot price independently.
The short answer

Aluminum fence cost per foot depends on four things that each change independently: the rail and picket construction tier, the fence’s height, how many gate posts the run needs, and the powder-coat finish grade. A standard single-wall rail costs less than the double-wall “industrial strength / security” rail tier; a fence over 6 ft tall picks up a 4th horizontal rail per section; a gate post runs nearly double the wall thickness of a line post and gates are priced as separate welded or track-hardware systems; and a finish tested to the higher AAMA 2604 standard costs more than one that only meets the lower AAMA 2603 bar. We don’t publish a generic $/ft range here because none of the ones circulating online cite a source — request a free on-site estimate for an exact number for your rail tier, height, and finish choice.

35,000 psiMinimum yield strength of the 6063-T5 aluminum alloy used in the fence extrusions — the material baseline before any tier upgrade
3 → 4 railsHorizontal rail count steps up once a fence section reaches 7 ft or 8 ft tall — more aluminum per section at that height
.075″ → .125″Wall thickness jumps from a standard line post to a gate post, which also widens from 2½ in. to 4 or 6 in. square
AAMA 2604 vs. 2603Higher-tested finishes survive 3,000 hrs of salt-spray/humidity testing and 5 years outdoors with only slight fade; finishes meeting only the lower 2603 bar are rejected under this spec

Source: Ultra Aluminum Fence, Rail & Gate Specifications (Section 32 31 19).

Why there’s no single honest price per foot

Search for “aluminum fence cost per foot” and you’ll find national ranges with no source attached to them. The real answer is that several independent factors each change the number: the rail and picket construction tier, the fence’s height, how many gate posts the specific run needs, and the finish grade. Site conditions — old fence removal, difficult soil, a long drive-in for equipment — add labor cost on top of all of that, the same as with any fence type. Rather than repeat an unsourced national figure, this page breaks down what one manufacturer’s published fence specification actually changes between tiers, so a quote’s line items make sense before asking Mustang for an exact number.

Diagram comparing a standard aluminum fence rail — a single-wall 1-5/8 inch modified-U channel with a .070 inch top wall and .100 inch side walls, paired with a 1 inch square picket with a .062 inch wall — against an industrial-strength or security-grade rail, a double-wall reinforced 1-5/8 by 1-5/8 inch rail sold as the "UltraDefender" standard, using the same 1 inch picket but a heavier rail around it. A note states that any fence section crossing 7 feet tall gets a 4th horizontal rail in either tier, adding more aluminum per section.TWO RAIL CONSTRUCTIONS, ONE FENCE FAMILYSTANDARD RAILtop wall .070 in.side walls .100 in.1-5/8 in. modified-U channel3 rails/section (≤6 ft) → 4 rails at 7 & 8 ft1 in. sq. picket, .062 in. wallINDUSTRIAL STRENGTH / SECURITY — “ULTRADEFENDER”double-wall Ultra ISP rail1-5/8 x 1-5/8 in. reinforced(two wall layers, not one)1 in. sq. picket — same picket size, heavier rail around itSame fence family, two different rail tiers — the security tier doubles the rail wall, not the picket.A section that crosses 7 ft tall gets a 4th horizontal rail regardless of which tier — more aluminum per section.
AL-1
DrawingTwo rail constructions, one fence family
BasisUltra Aluminum Fence, Rail & Gate Specifications, Section 32 31 19 (2.04, 2.01.E)
ScaleNot to scale
The security tier doubles the rail wall around the same picket size — more aluminum, more cost, before height even enters it.
Black flat-top metal picket fence running along a grassy lot above a beach, with a pier beyond
A taller ornamental fence like this picks up a 4th horizontal rail once it crosses 7 ft, per the same spec.

Gate posts aren’t priced like the fence around them

A standard line post in this spec is a 2½ in. square extrusion with a .075 in. wall, spaced 71½ in. on center — the same post, repeated, for most of a fence’s length. A gate post is a different part entirely: 4 or 6 in. square with a .125 in. wall, used on both sides of every gate opening. That’s roughly 67% more wall thickness and 60–140% more face width than the line post next to it, which is why a gate adds real cost beyond its own hardware. On top of the heavier posts, the gate itself is priced as its own system: a swing gate needs a fully welded frame rated to support a 300 lb vertical load on the latch side without collapsing, while a slide gate needs cantilever hardware with heavy-duty trucks on sealed bearings running on a track — two different mechanical builds, neither one “just more fence.”

Diagram comparing a standard line post, a 2.5 inch square extrusion with a .075 inch wall spaced 71.5 inches on center, against a gate post, a 4 or 6 inch square extrusion with a .125 inch wall used on both sides of a gate opening. A callout box shows the gate post wall is 1.67 times thicker than the line post wall, plus 1.6 to 2.4 times more face width.LINE POST2½ in. sq., .075 in. wallSpaced 71½ in. on centerGATE POST4 or 6 in. sq., .125 in. wallUsed on BOTH sides of a gate opening.125 ÷ .075 =1.67xthicker wallthan a line post,plus 1.6–2.4xmore face width
AL-2
DrawingLine post vs. gate post — same fence, two different extrusions
BasisUltra Aluminum Fence, Rail & Gate Specifications, Section 32 31 19 (2.04.D)
ScaleNot to scale
Every gate opening needs two of these heavier posts, on top of the gate hardware itself.

What drives the price within a quote

FactorWhat changesWhy
Rail/picket tierIndustrial strength / security rail costs more than a standard single-wall railDouble-wall reinforced 1-5/8 x 1-5/8 in. “UltraDefender” rail vs. a single-wall .070/.100 in. modified-U channel (Ultra spec 2.04.A, 2.01.E)
HeightA fence over 6 ft tall needs a 4th horizontal rail per sectionSpec calls for 3 rails per section, 4 rails for 7 ft and 8 ft fence (Ultra spec 2.04.A)
Gate posts & gatesGate posts cost more than line posts; gates are priced separatelyLine post 2½ in. sq./.075 in. wall vs. gate post 4–6 in. sq./.125 in. wall; swing gates fully welded to a 300 lb load rating, slide gates use separate truck/track hardware (Ultra spec 2.04.D–E)
Finish gradeA finish tested to AAMA 2604 costs more than one meeting only AAMA 26032604 requires 3,000 hrs humidity/salt-spray testing and 5-yr outdoor weathering with only slight fade; 2603-only finishes are “not acceptable” under this spec (Ultra spec 2.03.C–D)
Custom colorA color outside the standard line is an upcharge“Custom colors will be produced for an upcharge to be quoted on bid day” (Ultra spec 2.01.E)
Site conditionsOld-fence removal, difficult soil, long equipment access add labor costAdded labor beyond the base install, same as any fence type

Source: Ultra Aluminum Fence, Rail & Gate Specifications (Section 32 31 19).

Check your own quote’s real per-foot rate

This does arithmetic on numbers YOU enter from your own written quote — it does not look up or suggest a price. Useful for comparing two quotes on the same basis.

Gate posts and gates are typically quoted separately from the linear per-foot fence price — entering a gate amount removes it before dividing by footage.

Black ornamental metal driveway gate with an arched top and a centered oval medallion, set between brick columns
A driveway gate opening like this needs two gate posts, not line posts, on both sides.
Black metal gate with an oval monogram set under a brick archway
A matching walk-in gate on the same property — its own hardware, priced separately from the linear fence run.
Black metal gate with an oval monogram in a brick passage
The same gate style from a closer angle — welded joints and hinge hardware are part of what a gate quote covers.
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Theodore Howitt · Google review · a year ago

Reviews shown word for word from the Mustang Fencing Services Google Business Profile (Galveston), captured 2026-10-19.

Questions we get about this

How much does an aluminum fence cost per linear foot?
We don’t publish a generic number, because rail/picket tier, height, gate count, and finish grade change it enough that a one-size-fits-all range would be more likely to mislead than help. Request a free on-site estimate for an exact figure for your specific choices.
Does a taller aluminum fence cost more per foot?
Yes — a fence section over 6 ft tall picks up a 4th horizontal rail instead of 3, which is more aluminum per section at the same footage.
Do gates cost extra on top of the per-foot fence price?
Yes. Gate posts use a thicker wall and larger profile than line posts, and the gate itself is a separate system — a fully welded swing frame rated for a 300 lb load on the latch side, or cantilever slide-gate hardware with truck and track components.
Are custom fence colors more expensive?
Typically yes — a color outside the manufacturer’s standard line is produced for an upcharge, quoted on bid day, per the published fence specification.
Does a better powder-coat finish cost more?
It can. Finishes tested to the higher AAMA 2604 standard (3,000 hours of salt-spray and humidity testing, 5 years of outdoor weathering with only slight fade) cost more than ones meeting only the lower AAMA 2603 bar, which this manufacturer’s spec does not accept at all.

Sources

Checked October 20, 2026. Rules change, so confirm with the City before you build.

  1. Ultra Aluminum Fence, Rail & Gate Specifications (Section 32 31 19) — Alloy, rail/picket dimensions and wall thickness by tier, line/gate post sizing, gate load and hardware requirements, finish test standards, height and color options.
  2. Ultra Aluminum manufacturer warranty terms + cleaning guidelines — Warranty term by purchaser type, the coastal-installation carve-out, and the salt-water-distance cleaning schedule required to keep a claim valid.
  3. American Galvanizers Association, “Galvanized Steel with Aluminum Parts” — Electrode-potential table in sea water, cited for why fastener/hardware metal is specified on an aluminum fence.
Free on-site estimate

Want an exact per-foot number for your property?

Tell us the rail tier, height, and finish you’re considering and we’ll quote the real number for your lot — no generic national range, no guessing.

Page reviewed October 20, 2026 by Mustang Fencing Services, Galveston. Next review due April 2027.