A stair lift is often the single upgrade that lets someone stay in a two-story home. It is also one of the most misunderstood purchases, because the price depends almost entirely on one thing: whether your staircase is straight or curved. This guide walks through the real ranges, what drives them, and how to avoid overpaying — so you can read any quote with confidence.
These are estimates that vary by region, vendor, and the specifics of your stairs, and they change over time. Use them to plan and to check quotes, not as a firm price. Confirm with a licensed installer.
Stair lift cost at a glance
| Type | Typical installed cost | Notes |
|---|---|---|
| Straight stair lift (new) | ,500–,000 | Most fall around ,000–,000 installed |
| Curved stair lift (new) | 0,000–5,000+ | Custom-bent rail; price rises with turns and length |
| Outdoor stair lift | ,000–2,000+ | Weatherproofing adds cost; straight or curved |
| Used / refurbished (straight) | ,500–,500 | Lower cost, shorter or no warranty |
| Rental (straight) | ~00–00 setup + monthly fee | Best for short-term needs |
What drives the price
Straight versus curved
This is by far the biggest factor. A straight stair lift uses a standard rail that is cut to length, which keeps costs down. A curved stair lift needs a rail custom-manufactured to match the exact angles, turns, and landings of your staircase. That custom fabrication is why curved models routinely cost three to five times as much as straight ones. If your stairs have even one turn or a landing, you are in curved territory.
Rail length and staircase shape
Longer staircases need more rail, and more complex curves need more engineering. A tight spiral costs more than a single gentle bend.
Indoor versus outdoor
Outdoor lifts use weatherproof materials and covers to survive rain, sun, and temperature swings, which adds to the price compared with an equivalent indoor model.
Weight capacity and features
Standard lifts typically support around 300 pounds; heavy-duty or bariatric models support more and cost more. Optional features add up too: a powered swivel seat (which turns the seat safely at the top), powered folding footrests, and larger seats all raise the price. Most lifts run on rechargeable batteries so they keep working during a power outage.
Installation
For a straight lift, installation is relatively quick and is usually bundled into the installed price. Curved lifts require precise measurement and a custom rail, so the process takes longer from quote to install. In most homes the rail mounts to the stair treads, not the wall, so structural changes are rarely needed.
Buy, rent, or buy used?
- Buy new if the need is long-term and your stairs are curved — used curved rails almost never fit another home.
- Rent if the need is temporary, such as recovery from surgery. Straight lifts are the usual rental option.
- Buy used or refurbished to save money on a straight staircase, but be cautious: confirm the age and battery condition, ask about warranty, and use a reputable dealer who will install and service it. A cheap lift that no one will service is a false economy.
Brands you will encounter
Common stair lift brands include Stannah, Bruno, Acorn, and Harmar. Naming them is not an endorsement — pricing and quality overlap, and the right choice depends on your stairs, your dealer’s service reputation, and the warranty. Get at least two in-home quotes; a good installer measures carefully and explains the trade-offs.
Who pays for a stair lift?
Medicare generally does not cover stair lifts, but Medicaid waivers and VA programs sometimes help, depending on your state and eligibility. See our coverage guide for the full framework and a checklist for finding out what applies to you.