Commercial Bathroom Code Requirements: A Guide for Small Business Owners

Running a business means juggling a hundred priorities at once, but commercial bathroom code requirements shouldn’t be the one that keeps you up at night. You need a clear, no-nonsense plan that makes sense for your space, your staff, and your budget. From ADA restroom compliance to OSHA bathroom requirements, this guide is built to walk you through what’s needed—without the legal jargon—so you can get it done and move on to the next thing on your list.

If you’ve got employees, OSHA has clear rules on restrooms, and they’re there to make sure everyone has access, privacy, and sanitation. Here’s the quick breakdown.

Basic setup requirements include running water (hot, cold, or lukewarm), soap, and a hand-drying method (towels or dryers). Keep them clean, private, and always accessible; no locked doors, no “key from the front desk” delays.

Tip for Owners: If customers or visitors also use your restrooms, adding more than the minimum can prevent lines and improve the overall experience

ADA restroom compliance is about making your business usable for everyone, and it applies whether you’re renovating or building new. If you’re altering a main area, like a lobby, there’s a good chance you’ll need to make sure nearby restrooms meet ADA standards too.

Key things to keep in mind:

• Grab bars in the right locations and heights
• Accessible doorways (at least 32" clear)
• Turning space for wheelchairs (usually a 60" diameter)
• Fixtures, dispensers, and mirrors within reach range

Here’s how to knock this out without overcomplicating it.

1. Count your people—match your numbers to OSHA’s toilet chart.
2. Measure your space—check clearances, door widths, and stall sizes against ADA requirements.
3. Plan for accessibility—especially if you’re renovating main areas.
4. Check your ventilation—it’s often overlooked, but required.
5. Future-proof where you can—a little extra now may save you more later.
    

What must be included in restrooms in a commercial building?
At minimum, restrooms must have running water (hot or cold), soap, a way to dry hands, privacy partitions, adequate lighting, and ventilation. If ADA restroom compliance applies, you’ll also need grab bars, accessible stall space, and reachable fixtures.

How many restrooms are required in a commercial building?
OSHA bathroom requirements state that you need one toilet for up to 15 employees, two toilets for 16–35 employees, and additional toilets as your headcount increases. For over 150 employees, add one toilet for every 40 employees.

How many bathrooms per person do I need for my business?

The number depends on your peak occupancy. OSHA provides a clear chart for employees, but if customers regularly use your facilities, plan for extra fixtures to avoid long lines and keep everyone comfortable. 

What are ADA bathroom requirements for small businesses?

ADA bathroom requirements include accessible entryways, adequate turning space for wheelchairs, grab bars, reachable fixtures, and mirror heights within set guidelines. Renovations that affect primary areas often trigger ADA updates.

What are the bathroom size requirements for ADA compliance?

Common ADA bathroom size requirements include a 60" turning radius for wheelchairs, doors at least 32" wide, and stalls at least 60" wide by 56" deep for wall-mounted toilets (59" deep for floor-mounted).

The good news? Once you know the rules and requirements, it’s just a matter of checking them off and keeping solid records. Get your restrooms ready with fixtures, partitions, grab bars, and supplies from Zoro that keep your business running smoothly. You focus on your team and customers, and we’ll help you find the products that make it all work.

Product Compliance and Suitability
The statements contained in this guide are intended for general informational purposes only. Such statements do not constitute a product recommendation or representation as to the appropriateness, accuracy, completeness, correctness, or currentness of the information provided. Information provided in this guide does not replace the use by you of any manufacturer instructions, technical product manual, or other professional resource or adviser available to you. Always read, understand, and follow all manufacturer instructions. Portions of this article were generated in part by ChatGPT, and edited by a member of the Zoro team.