Professional stair upgrade services throughout Brooklyn, Queens, Bronx and Long Island. $2,500 - $12,000. Free estimates within 24 hours.
Modern upgrades to existing staircases including style changes, safety improvements, and material updates. Our skilled craftsmen bring over 10 years of NYC carpentry experience to every project.
Discuss your vision, current stair limitations, and modern design options that will transform your space.
Recommend specific upgrades - cable rails, glass panels, modern lighting, or material changes that fit your style.
Provide itemized written estimate with all materials and labor clearly broken down.
Order quality materials - stainless steel cables, tempered glass, modern hardware, premium woods.
Carefully remove outdated railings, balusters, or other components being replaced.
Install new modern elements with proper anchoring, code-compliant spacing, and clean modern aesthetic.
Add LED lighting, paint touch-ups, sealing, and other finishing details that complete the upgrade.
Verify all railings are secure, lighting works, and the upgrade meets code requirements.
We provide professional stair upgrade services throughout:
Browse a selection of our recent work. Quality craftsmanship and attention to detail in every project.
"Sani Building Corp did an incredible job on our brownstone stairs. They restored the original character while making everything safe and beautiful. The craftsmanship is exceptional."
"Custom stair installation in our renovated home. The team designed exactly what we wanted - modern lines with traditional materials. On time and within budget."
"Stair renovation transformed our entire entryway. New treads, refinished railings, and beautiful stain color. The team was professional and respectful throughout."
"Antique stair restoration in our Long Island home. They matched the original 1920s craftsmanship perfectly. Incredible attention to detail and quality."
"Modern stair upgrade with cable railings and LED lighting. Completely transformed our split-level home. Beautiful work and fair pricing."
"Quick stair upgrade in our LIC condo. New treads, modernized railings, and fresh stain. Finished in 4 days with minimal disruption."
Get a free, detailed estimate within 24 hours. No obligations, no hidden fees.