Ballpark Lab

Siding Cost Calculator / Alabama

Alabama siding estimate

Siding Cost in Alabama (2026)

Compare a consistent house and installation scope before customizing. The Alabama regional model factor is 0.89× and adjusts the modeled subtotal; it is not a measured local labor rate. Price inputs last updated July 6, 2026.

A two-story vinyl siding scenario in Alabama

45 × 30 ft footprint (150 ft perimeter), 19 ft walls, gable roof, 12 windows, 2 doors, 1 garage door, no tear-off. These are also the calculator's initial settings, not measured averages of local homes.

$9k – $38k
Input completenesshigh

Based on the model's answered input checks, including defaults. This is not verified price accuracy or a statistical confidence level.

Material takeoff

Siding to order
32 squares
Starter strip
150 lf
Housewrap
3,075 sq ft
Outside corner posts
76 lf
Vinyl boxes (2 squares/box)
17 boxes

Cost breakdown

vinyl siding (installed)
$10k – $39k
Permit allowance
$100 – $400
Total
$9k – $38k
Model estimate
$21,953
  • Wall area = footprint perimeter × 19 ft grade-to-eave height; a 1.5:1 rectangle is assumed when only the perimeter is known.
  • 2 gable triangles estimated at a 6/12 pitch for the "gable" roof style.
  • Openings reduced at 75% of their area (trim and cuts eat part of the saving); waste factor 13%.
  • Re-siding typically needs a building permit in Alabama; HOAs and historic districts may review material and color, and rotted sheathing found at tear-off is the classic change order.

Installed-price bands and regional factors are planning inputs. The model includes a generic permit allowance but excludes hidden rot, replacement sheathing, structural repairs and hazardous-materials work. See data provenance and limitations and the calculation method.

Regional planning notes for Alabama

Alabama siding choices are filtered by humidity and termites: untreated wood is a maintenance liability, so vinyl carries the volume market and fiber cement the upgrade tier. Spring severe-weather season adds a wind and hail dimension — well-fastened panels and impact-tolerant materials pay off. Labor about 11 percent below the national average keeps installed costs among the country's lowest. Moisture detailing — housewrap, flashing, drainage gaps — separates lasting jobs from callback jobs.

Estimate your siding in Alabama

House details

This estimates wall area from your footprint — we adjust for stories, gables, windows and doors.

The long side of the house, in feet.

The short side, in feet.

Footprint perimeter: 150 ft (2 × (length + width))

Grade to eave, in feet — pre-filled from the story count.

Gable ends add sided triangles; hip and flat roofs don't.

Openings to subtract
Windows
12
Doors
2
Garage doors
1

Trim and cuts eat part of the saving — most estimators don't subtract 100%.

Estimated total
$9,422–$37,688
Vinyl · 32.3 squares
Low $9kMost likely ~$21,953High $38k

$9k – $38k · $7 per square foot (/sq ft) · 32.3 siding squares (1 square = 100 sq ft)

Input completenesshigh

Based on the model's answered input checks, including defaults. This is not verified price accuracy or a statistical confidence level.

Material takeoff

Siding to order
32 squares
Starter strip
150 lf
Housewrap
3,075 sq ft
Outside corner posts
76 lf
Vinyl boxes (2 squares/box)
17 boxes

Cost breakdown

vinyl siding (installed)
$10k – $39k
Permit allowance
$100 – $400
Total
$9k – $38k
Model estimate
$21,953
  • Wall area = footprint perimeter × 19 ft grade-to-eave height; a 1.5:1 rectangle is assumed when only the perimeter is known.
  • 2 gable triangles estimated at a 6/12 pitch for the "gable" roof style.
  • Openings reduced at 75% of their area (trim and cuts eat part of the saving); waste factor 13%.
  • Re-siding typically needs a building permit in Alabama; HOAs and historic districts may review material and color, and rotted sheathing found at tear-off is the classic change order.

Compare materials

VinylSelected
$9k – $38k
Fiber cement
$16k – $44k
Engineered wood
$19k – $47k
Wood
$22k – $53k

The same house in each material — same size, openings, site, and state.

iBallpark estimate for planning, not a bid. Wall area is estimated from your footprint — a contractor will measure each wall. Excludes hidden rot, sheathing replacement, and structural repairs found at tear-off. Get 3 local quotes before signing.

Site data & assumptions: U.S. EIA · OpenEI URDB · Google Solar · NREL PVWatts · DSIRE · IRS · ENERGY STAR · Ballpark Lab model assumptions — see all sources

Frequently asked questions

How much does siding cost in Alabama?
The two-story reference house (45 × 30 ft footprint, about 32.3 squares to order) has a modeled vinyl range of $9k – $38k before tear-off. This is a planning model, not a local bid survey.
How does fiber cement compare with vinyl in Alabama?
For the same reference house, the model gives $16k – $44k for fiber cement versus $9k – $38k for vinyl. Compare product specifications, installation details and a contractor's written scope; price alone does not determine suitability.
Do I need a permit to re-side a house in Alabama?
Confirm requirements with the municipality responsible for your address, including any historic-district or design review. The estimate contains a generic permit allowance, not a determination of approval or an official fee.

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