Basic
$6,667 – $25,003 per project
Dark painted steel stringers, solid hardwood treads, stainless posts with horizontal stainless rod infill and a round stainless handrail

Custom stainless steel (or steel with stainless components) interior staircase, one straight flight with treads and railing, fabricated and installed.
Stainless Steel Staircase in Portland, Maine typically costs $7,844 to $29,415 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for stainless steel staircase.
National average: $8,000 – $30,000 per project
$6,667 – $25,003 per project
Dark painted steel stringers, solid hardwood treads, stainless posts with horizontal stainless rod infill and a round stainless handrail
$7,844 – $29,415 per project
Brushed stainless-clad stringers, solid hardwood treads, stainless posts with horizontal stainless rod infill and a round stainless handrail
$9,805 – $36,769 per project
Solid brushed stainless stringers, hardwood treads with stainless nosings, heavier posts, closer-set rod infill and a wide flat stainless handrail
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $3,492 – $13,095 | job |
| Labor | labor | $2,800 – $10,500 | job |
| Supplies & Other | supplies | $931 – $3,492 | job |
| Equipment & Disposal | equipment | $621 – $2,328 | job |
Connect with local stainless steel staircase contractors in Portland for personalized quotes based on your specific project.