The short version: Stair lift if user can sit on the chair-lift seat and walk a few steps at the top and bottom. Home elevator if user is a wheelchair user, has 3+ floors, or has severe mobility limits. The cost difference is 5-10x.
The four-question decision
Q1: Is the user in a wheelchair?
If yes, elevator. Wheelchair users can’t safely transfer to a stair-lift seat repeatedly.
If no, stair lift is likely fine.
Q2: How many floors does the user need to reach?
- 2 floors (typical US home): stair lift handles fine.
- 3+ floors (some town homes, multi-generational homes): elevator usually better. Two stair lifts add up in cost and complexity.
Q3: How long does the user expect to be in the home?
- Less than 5 years: stair lift. Lower upfront cost, removable when home is sold.
- More than 10 years: elevator may pay back through resale value preservation, especially in luxury markets.
Q4: Is the home being remodeled extensively anyway?
If yes, an elevator added during remodel costs less incrementally than installed alone, typically $25,000-$40,000 vs $35,000-$60,000.
Cost comparison
| Configuration | Cost |
|---|---|
| Straight stair lift | $3,000-$8,000 |
| Curved stair lift | $9,000-$20,000 |
| Through-floor lift (2 floors) | $25,000-$50,000 |
| Multi-floor home elevator (3+ floors) | $50,000-$100,000+ |
What’s lost with each choice
If you pick stair lift
- User has to be able to walk a few steps to and from the chair.
- Wheelchair users can’t use it.
- Aesthetically the rail and chair are visible on the stair.
- Minor wear on floor at install points.
If you pick elevator
- 5-10x the cost.
- 4-8 weeks of construction disruption.
- Permanent space commitment (a closet’s worth of floor space stacked).
- Higher maintenance cost ($300-$600/year service contract typical).
Coverage
Both are home modifications, not durable medical equipment. Coverage:
- Original Medicare: no.
- Medicare Advantage: rare for elevators; sometimes for stair lifts up to plan cap.
- Medicaid HCBS waivers: cover both for income-eligible.
- VA HISA: $2,000-$6,800. SAH grants up to ~$110K for severe service-connected.
What to do next
If wheelchair user or multi-floor home: see through-floor home lifts.
If standard 2-floor home with mobility loss but not wheelchair: see best stair lifts of 2026.
For the broader question, see stair lift vs walk-in tub: which to install first.