Home Safety

Aging-in-place home modification cost guide

By Todd Whitehurst · Reviewed August 2026

Every number below is an estimated range, not a quote. What matters more than the exact dollar figure is understanding what drives the cost up or down, and which projects are realistic to tackle yourself versus which ones need a licensed trade.

Estimated cost ranges by modification

These are general U.S. estimated ranges for 2026, not local quotes. "Safety fix" means a modification that improves safety without changing the home's structure or layout; "structural remodeling" means it involves plumbing relocation, framing changes, or a full layout change.

Modification Estimated Range What Affects Cost Typically Category
Grab bars (basic package, several bars) $150 – $800 Wall material, number of bars, whether blocking must be added behind the wall DIY-friendly if studs accessible; Pro for tile/stone Safety fix
Non-slip flooring or bath mats $50 – $600 Mats vs. full flooring replacement, room size DIY-friendly (mats); Pro (flooring) Safety fix
Improved lighting (fixtures, night lights, motion lights) $100 – $800 Number of fixtures, whether new wiring is needed DIY-friendly (plug-in); Pro (new wiring) Safety fix
Raised or comfort-height toilet $300 – $1,000 Riser seat vs. full toilet replacement, plumbing adjustment DIY-friendly (riser); Pro (replacement) Safety fix
Handrail, second side of stairs $150 – $600 Length of run, material, wall access DIY-friendly if studs accessible; Pro otherwise Safety fix
Modular wheelchair ramp $1,000 – $3,500 Required length and slope, material, portable vs. permanent Sometimes DIY-friendly; Pro for longer/structural ramps Safety fix to structural, depending on scope
Widened doorway (per doorway) $500 – $2,500 Whether the wall is load-bearing, framing changes needed Pro Simple to structural, depending on wall
Medical alert system & smart home setup $200 – $1,000 + monthly monitoring System type, number of devices, monitoring plan DIY-friendly Safety fix
Walk-in shower conversion $3,000 – $12,000 Tile and materials, plumbing relocation, waterproofing scope Pro Structural remodeling
Walk-in tub $5,000 – $10,000+ Unit cost, plumbing and electrical needs, door seal quality Pro Structural remodeling
Full bathroom accessibility remodel $10,000 – $30,000+ Scope of the remodel, materials, layout changes Pro Structural remodeling
Stairlift (straight rail) $2,500 – $5,000 Stair length, rail type, brand Pro Mechanical/electrical install
Stairlift (curved rail) $10,000 – $15,000+ Custom rail fabrication, number of turns or landings Pro Mechanical/electrical install

Ranges reflect typical U.S. costs as of 2026 and will vary by region, contractor, and material choices. Get local quotes before budgeting a specific number — see the methodology below.

How this compares to the calculator

The Stay or Go Calculator uses single representative figures — not ranges — for each modification, so it can give you a fast estimate. Those figures fall within the ranges above by design: for example, the calculator's grab bar figure sits inside the $150–$800 range here, and its stairlift figure sits inside the straight-rail range. If your actual quotes come in outside these ranges, trust your local quotes over either page — regional labor costs are the biggest single variable.

Methodology & sources

These ranges are informed by typical U.S. accessibility-remodeling cost data reported by national home-improvement cost guides and industry associations, combined with hands-on renovation, restoration, and accessibility work. They are general planning estimates, not quotes for any specific home, contractor, or region — actual costs in your area may fall outside these ranges.

A note from experience: This site is built on real, hands-on construction experience — four generations of a building family, and years spent doing renovation, restoration, and accessibility work across the country. These ranges reflect that experience, not a spreadsheet — but they're still general ranges. Get local quotes before committing to a budget.

Frequently asked

Are these exact prices for my parent's home?

No. These are estimated national ranges meant to help with planning and comparison, not a quote. Your actual cost depends on your region, the specific contractor, material choices, and what your parent's home requires. Get at least two or three local quotes before budgeting a specific number.

Why is there such a wide range for some modifications?

Labor costs vary significantly by region, and material and fixture choices vary widely in price. A project involving plumbing relocation, structural changes, or difficult access will also cost more than a straightforward version of the same modification.

Should I get multiple quotes before deciding?

Yes. For anything beyond a small DIY-friendly fix, two or three quotes from licensed, insured contractors is a reasonable baseline, especially for plumbing, electrical, or structural work.

Next Step

Run your parent's actual numbers

Use these ranges to estimate what your parent's home would need, then compare the total against moving.