Permits, licensing and questions to ask before hiring septic service companies in Ohio

By Zwings LLC · Published 2026-11-10T00:00:00.000Z · Updated 2026-11-10

Start with the work you need

Before calling septic service companies in Ohio, write down the problem you want addressed and the work you think you need. Separate what you have observed from what you suspect. Describe a slow drain, an odor, an alarm, or a wet area in plain words. Ask the company to explain how it would assess your concern before proposing work. Keep any system records, earlier service paperwork, and property information available for the conversation.

The Ohio Septic Services directory, published by Zwings LLC, includes service categories that can help you frame that call. The supplied counts include Septic pumping (140), New system installs (103), Drain field work (35), and Septic inspections (71). These counts describe businesses whose own websites state those services. They do not establish that a company can handle your particular system or project. Ask directly about your location, system type, and requested work before arranging a visit.

Check local registration

An Ohio Department of Health fact sheet says anyone performing the duties of a sewage treatment system installer, service provider or septage hauler must be registered with each local health district where the work is done, under rule 3701-29-03 of the Ohio Administrative Code. Ask which of those duties your proposed job involves. Then ask the company for the registration details that apply to the people performing that work in your local health district.

Use the word registration when asking about this requirement. If a company also describes itself as licensed, ask what credential it means, who issued it, and what work it covers. The directory data includes Licensed and insured (114), which reflects businesses making that combined statement. Follow up with your local health district about registration and with the company about its other credentials. Ask how you can confirm the information, and keep the response with your project paperwork.

Ask about local permits

Before authorizing work, ask the city or county building or health office about your proposed project. Describe the location and scope in ordinary terms. Explain if you are seeking pumping, an inspection, a repair, a replacement, or a new installation. Ask which office can answer questions about permits, applications, inspections, and approvals for that work. This article does not establish what any office requires. Get an answer tied to your property and the actual proposal.

If the answer depends on the system, site conditions, or the work proposed, ask what information the office needs. Give the contractor the same project description so everyone is discussing the same scope. Ask who will contact the office, prepare any paperwork, and respond to questions. Put those responsibilities in the written agreement. If the contractor changes the proposal, ask the appropriate office about that revised scope before approving the change. Keep any written responses with the contract.

Settle digging responsibilities

OHIO811 states that Ohio law requires any person digging, including digging by hand, to notify OHIO811 before starting. OHIO811 asks for notice at least 2 working days before you dig, not counting the day of the notice, and no more than 16 calendar days before. OHIO811 also states that if you hire a contractor, the person doing the digging is the one who submits the OHIO811 notification.

Bring this up while discussing the scope. Ask if the proposed work involves digging and who will perform it. Ask that person to explain how the OHIO811 notification will be handled. Include the responsibility in the agreement so it is clear before equipment arrives or hand digging begins. If a different person takes over the digging, revisit the question with that person. For questions about the notification itself, ask OHIO811. Keep your discussion focused on the actual work being proposed.

Review insurance and responsibility

Ask the company for current proof of insurance and an explanation of the coverage relevant to your project. Have it identify the business named on the coverage and the people or subcontractors expected to perform the work. If names differ across the estimate, contract, and insurance documents, ask for an explanation. Ask the insurer or insurance agent to clarify coverage questions that the paperwork leaves open. Avoid treating the phrase licensed and insured as an answer to every question.

Discuss access and property protection before agreeing to the work. Ask where vehicles and equipment would enter, what areas the crew expects to disturb, and what cleanup or restoration the proposal includes. Ask who you should contact if damage occurs or a concern arises. Put the agreed responsibilities in writing. If coverage depends on the activity or the party doing it, describe that activity to the insurance contact and ask for clarification. Keep the documents alongside the final scope.

Get a clear written agreement

Ask for a written contract that describes the work, the property, and the responsible business. It should state what you are authorizing and identify any decisions still pending. Ask the company to separate assessment work from repairs or installation when those are separate parts of the proposal. Have it describe materials, equipment, removal, cleanup, and restoration where those items apply. Read exclusions closely and ask for plain explanations of unfamiliar terms before signing.

Agree on how changes will be proposed and approved. Ask the company to explain what happens if conditions differ from what it expected, or if its assessment points to different work. Request written approval of changes before the added work begins. Include payment terms, cancellation terms, and any warranty being offered. Ask what the warranty covers, what it excludes, and who handles a claim. Also ask which service records, reports, or completion documents you will receive for the work you authorize.

Questions for the first call

Use the first call to collect answers you can compare against the written proposal. Ask: Do you serve this property? Do you work on this type of system? What information do you need from me? What would your assessment include? Who would perform the work? Which local health district registration applies? How can I confirm it? What do you mean by licensed? Can you provide current proof of insurance? Will any subcontractors be involved?

Continue with the project details: Which city or county building or health office should I ask about permits? Who will handle any required paperwork? Will the work involve digging? Who will submit the OHIO811 notification? What does the written scope include? What is excluded? How will you request approval for changes? What access will the crew need? What cleanup and restoration are included? What records will I receive? Who answers questions after the work? Record unresolved points and ask for written answers before authorizing the job.