4 things nobody tells you about accessible renovation costs

Most accessible renovation budgets fail on four items nobody puts in the quote. None is exotic. Each one is knowable before you sign, and each one is invisible if you only read the total.

What to take away

1. The allowance is not a price until it names a model

A quote for a roll-in shower lists a line like "shower system: allowance." That number is a guess until someone writes down the model, the threshold height, the drain position and the wall reinforcement behind it.

A Kohler Freewill barrier-free shower receptor commonly lists between about $1,200 and $2,200 before installation in most markets. A Moen Home Care grab bar, 1.25 inches in diameter to match ADA 609, typically sells for $25 to $60. Neither figure belongs in an allowance with no cap.

Ask what happens when the specified item costs more. Either the contract caps your exposure or it does not, and the difference is often thousands on a single line.

2. The change-order rate, not the change-order rule

Every contractor says change orders must be written, but fewer also mention the rate those changes carry.

The written form is usually the AIA G701 or else a state equivalent.

Get the hourly rate, the markup on materials, and the minimum billing increment in the contract. A licensed general contractor's labor typically runs $75 to $150 an hour in most markets, and materials on an extra are commonly marked up 10 to 20 percent.

Then run your own arithmetic. If the rate is R dollars an hour, materials are marked up M percent, and you expect H hours of extras, your exposure is roughly R times H, plus materials times M. Substitute your own figures.

3. Lien waivers, and who actually paid the tile setter

A general contractor pays subcontractors on its own schedule. If that payment stops, the tile setter can file a lien against your house even though you paid the general in full.

Filing deadlines vary by state and often land 60 to 120 days after the last labor or material on the job, so an unpaid supplier can move quickly.

Request a conditional waiver and release on progress payment with each payment. Request an unconditional waiver and release on final payment at close. The AIA publishes both as standard forms, and many states have statutory versions. They cost nothing and they close the gap.

4. The loan offered at the kitchen table

Some contractors arrange financing for the job. That puts the price and the loan in the same hands. It is not automatically wrong, but it always deserves a second quote.

Government-backed programs exist, and a contractor may not mention them. An FHA Title I property improvement loan reaches $25,000 for a single-family home. A limited FHA 203(k) wraps a smaller repair list into a purchase or refinance.

USDA Section 504 offers loans up to $40,000 at 1 percent interest over 20 years, plus grants up to $10,000 for homeowners 62 and older. The VA's Specially Adapted Housing grant is reset each fiscal year and has recently run above $100,000.

Home lending is regulated. The Justice Department publishes fair lending resources covering the laws that apply to home improvement credit. Take the paperwork away, compare it with a bank or credit union, and sign it on a different day than the construction contract.

A worked example: the grab-bar wall

Say the plan calls for blocking behind three bathroom walls. ADA 609 requires a grab bar to carry a 250-pound load, which is why the blocking is specified rather than optional. The quote lists it as an allowance of A dollars.

The contractor opens the wall and finds no stud where the drawing assumed one, so the fix needs a new stud bay.

Under a capped allowance, the overage is the contractor's. Under an open allowance, you pay the difference plus the change-order rate from item 2. Same wall, two very different invoices. Ask which one you signed.

The prior-authorization habit

Equipment buyers already know this discipline. Some Medicare items must be approved before they are supplied, as the page on power wheelchairs that require prior authorization explains. Apply it to renovation extras: no written approval, no work, no invoice.

Before you sign

Put the answers on one page, attach it as a signed appendix, and check that every dimension your access work depends on appears in the specification using how to vet a contractor for accessible home design. Then reconcile the contract against the budget structure in our guide to accessible renovation costs.

Common questions

Is a fixed price always better?

For a defined scope, usually. Where walls hide unknowns, a fixed price with a named contingency and open-book extras can be fairer to both sides.

What deposit is reasonable?

Enough to order materials. A third of the contract value upfront is a lot to ask on a small job.

Do small residential jobs need lien waivers?

They cost nothing to request and they stop you paying twice. Ask for them at every payment.

What if the contractor refuses an allowance cap?

Treat it as a price you have not been given yet, and get another bid.