Basic
$1,602 – $6,409 per project
Prefab steel spiral kit about 5 ft diameter, flat steel treads, round balusters, steel handrail, black paint finish, anchored
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How Much Does Iron Spiral Staircase Cost in Boise, Idaho?
Supply and install one prefab steel or wrought/cast iron spiral staircase kit (single floor rise) with railing, anchored top and bottom.
Iron Spiral Staircase in Boise, Idaho typically costs $1,885 to $7,540 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Iron Spiral Staircase in Boise, Idaho
$1,885 – $7,540
per projectPrices in Boise are 6.0% lower than the national average for iron spiral staircase.
National average: $2,000 – $8,000 per project
What you get at each price level
Standard
$1,885 – $7,540 per project
Steel spiral kit about 5 ft diameter, steel treads with wood caps, powder-coated finish, steel handrail, anchored
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Find a pro to do thisPremium
$2,356 – $9,425 per project
Cast iron spiral kit about 5 ft diameter with ornamental cast treads and balusters, powder-coated, wood handrail, anchored
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Cost Breakdown in Boise
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $864 – $3,456 | job |
| Labor | labor | $637 – $2,548 | job |
| Supplies & Other | supplies | $230 – $922 | job |
| Equipment & Disposal | equipment | $154 – $614 | job |
Prices adjusted for Boise local market conditions.
Iron Spiral Staircase photo examples
Black metal spiral staircase on the exterior of a house
Photo: Missvain · CC BY 4.0 · Source
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Cost Factors in Boise, Idaho
What Affects Pricing
- Materials ($900.00-$3,600.00 per project)
- Labor ($700.00-$2,800.00 per project)
- Supplies & Other ($240.00-$960.00 per project)
- Equipment & Disposal ($160.00-$640.00 per project)
Local Price Adjustments
Material costs4.0% below avg
Labor costs9.0% below avg
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Iron Spiral Staircase, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
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