National price ranges
Fixr: handrail for a 10-foot staircase $350 to $1,200 installed.
When it is worth it
- Any staircase with a rail on one side only.
- Entry and deck steps, which often have none.
- Rails that stop short of the top or bottom step.
What moves the price
- Length and turns of the staircase.
- Wall type and stud positions for brackets.
- Exterior rails: posts, footings and material (aluminum, wood, steel).
DIY or hire it out
Wall-mounted interior rails are a manageable DIY job if you can hit studs; set the top of the rail 34 to 38 in above the step nosings and keep it continuous for the full flight.
Tax note. IRS Publication 502 lists this among home changes that usually do not raise a home's value, so the cost can count as a medical expense if you itemize and total medical costs pass 7.5% of adjusted gross income:
Modifying stairways.
(IRS Publication 502, 2025)
Where this shows up in the home check
Keepstead suggests this fix when one of these checks fails. Run the home check to see whether it is a priority for your home.
- There is a sturdy railing beside the entry steps, ideally on both sides (entrance and steps)
- Every staircase has sturdy handrails on both sides, the full length (hallways and stairs)
- Deck and back-door steps have a sturdy railing (outdoor and garage)
Frequently asked questions
What height should a stair handrail be?
The ADA benchmark is 34 to 38 in above the stair nosings, at a consistent height for the whole flight.
What shape grip is best?
A round rail 1¼ to 2 in across that a hand can wrap around; flat boards are hard to grip in a stumble.