How Long Does It Take to Get an ADA Accommodation Letter?

If you're facing an imminent return-to-office deadline — or you're already getting pressure from your employer — the question of timing is just as important as the question of process. This guide breaks down realistically how long each step takes, across different provider paths, so you can plan accordingly.

The Timeline Has Two Parts

Getting an ADA accommodation letter has two distinct phases: (1) getting your documentation from a provider, and (2) going through your employer's accommodation process after you submit it. The first is entirely in your control. The second is mostly in your employer's.

Let's take each separately.

How Long Does It Take to Get Your Letter?

This varies enormously depending on which path you take.

Using Your Existing Therapist or Psychiatrist

Timeline: 1–8 weeks

If your current provider is willing and able to write accommodation documentation, this is potentially the fastest and cheapest route — but also the least predictable. Some providers will turn around a letter within a week of your next appointment. Others have no experience with ADA documentation, don't understand the specific legal standard, or simply don't offer this service and won't tell you that directly until after you've waited for an appointment.

If you have an upcoming appointment in the next week or two and you know your provider is comfortable with this type of documentation, ask them directly on the phone before the appointment whether they can write an ADA-compliant accommodation letter. Get a realistic timeline before counting on this path.

Traditional Psychology Evaluation Pathway

Timeline: 3–12 weeks

If you need to establish documentation through a new clinical provider — either because you don't have a current one or because your existing provider doesn't write accommodation letters — expect a multi-week process. New patient appointment waitlists at psychology practices in most metro areas are 4–8 weeks, and some specialty practices are longer.

Once you have your appointment, the letter itself is typically produced within a few business days. But the bottleneck is almost always the appointment waitlist, not the writing.

This path makes sense if you need a comprehensive evaluation or are establishing a new diagnosis — but it's a slow option if you already have a diagnosis and just need documentation.

WorkWell Evals

Timeline: 3–7 business days, start to finish

WorkWell is designed specifically to close the gap between "I need accommodation documentation" and "I have it in hand." Here's what the timeline actually looks like:

Day 1: Complete the intake form and pay online (takes about 10 minutes). Receive your clinical intake form to complete before your appointment.

Day 1–2: Complete the clinical intake questionnaire (takes 20–30 minutes). This detailed form covers your diagnosis, symptoms, how they affect your work, and what accommodation you're requesting. Completing it thoroughly is the single most important thing you can do to ensure a fast, smooth consultation.

Day 2–3: Schedule and attend your 15-minute video consultation with a licensed psychologist. Appointment availability varies, but most customers can schedule within 24–48 hours of completing intake.

Day 3–5: Your provider writes and sends your accommodation letter. Letters are typically delivered within 1–2 business days of the consultation.

Most customers have their letter in hand within one week of booking. Some complete the process in 3–4 business days if scheduling aligns.

How Long Does Your Employer's Process Take?

Once you submit your letter, the timeline shifts to your employer — and the ADA doesn't specify a hard deadline for how quickly they must respond.

In practice:

Initial acknowledgment: Most HR departments acknowledge receipt of an accommodation request within a few business days. If you don't hear anything within a week, follow up in writing.

Interactive process: The back-and-forth discussion required by the ADA typically takes one to four weeks at most large companies. Smaller companies may move faster. Unusually complex requests or situations where HR needs to consult legal counsel can take longer.

Decision: A final decision on your accommodation request — approval, counter-proposal, or denial — typically arrives within two to six weeks of your initial submission, assuming your documentation was complete and your employer engaged promptly.

Total employer-side timeline: 2–6 weeks in most cases

If you're working toward a specific return-to-office date, build in at least four weeks between submitting your accommodation request and that date. If your deadline is sooner, submit as early as possible — an accommodation request that's in process is more legally protected than one that hasn't been submitted yet.

Tips for Managing the Timeline

Don't wait until the last minute. If your company announced a return-to-office date months in advance, the time to start your accommodation process is now — not the week before. The accommodation process takes time, and submitting your request early creates a paper trail that protects you if your employer tries to enforce the return-to-office policy before your request is resolved.

Complete your intake forms thoroughly. At WorkWell, the clinical intake questionnaire does most of the information-gathering that makes a focused 15-minute consultation possible. Customers who complete it thoroughly get better letters and experience fewer follow-up requests. Customers who rush through it may face delays.

Respond to employer requests promptly. If your HR department asks for additional documentation or clarification, respond quickly. Delays in your response can be used by employers to justify delays in processing.

Follow up in writing. If you haven't heard from HR within a week of submitting your request, send a follow-up email. This creates a record and prompts action.

Keep copies of everything. Save every email, form submission, and response. If your accommodation process becomes contested, documentation is your primary protection.

What If You Need Something Faster?

If you're facing an extremely tight timeline — a return-to-office enforcement date this week, for example — the fastest realistic path is WorkWell Evals. We can often get a consultation scheduled within 24 hours of a complete intake submission, with the letter delivered the following business day.

If you're in a situation where you're being asked to return to the office before your accommodation request has been processed, the simple act of having a pending accommodation request in writing provides legal protection. You don't need the letter in hand before submitting your request — you need your request submitted.

Start your accommodation process at WorkWell Evals — $169, most letters delivered within one week.