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

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

Start with a clear description of the work

Before contacting septic service companies in North Carolina, write down what you need and what you have noticed. You may be arranging pumping, asking about an inspection, planning a new system, or seeking help with a drain field. Describe the issue in plain language. Share any records you already have, and explain what prompted the call. Ask the company to identify the service it proposes before you agree to work.

Keep the initial request separate from any suggested extra work. If the proposed scope changes after a visit, ask for an explanation and a revised written proposal. You should be able to connect each task to your original request or to a finding the company explains. Ask who will answer questions, who will perform the work, and who can approve changes. Save those names with your notes so you have a clear point of contact.

Ask about certification and qualifications

The North Carolina On-Site Wastewater Contractors and Inspectors Certification Board certifies onsite wastewater contractors (installers) and inspectors. Ask a prospective company who will handle installation or inspection work and request that person’s certification details. Direct questions about certification to the Board. Describe the proposed work when you ask, so the discussion stays tied to the service you are considering.

If a proposal uses the word licensed, ask what credential the company means, who holds it, and which agency issued it. Request details you can check with that agency. Keep certification questions separate from questions about insurance, permits, and the written scope. Each deserves a clear answer. If another contractor will take part, ask which tasks that contractor will handle and how you can check the qualifications being presented. Avoid treating a broad description of qualifications as an answer to every question about the job.

Check local permits and find your records

The NC Division of Public Health tells homeowners to contact their local health department for questions, permits and inspections. It also suggests asking your local health department for a copy of your septic permit and system layout. Start with those records when discussing work on an existing system. Share the documents with the company and ask it to explain how its proposal relates to the system shown.

Ask the city or county building or health office about the work you have in mind. Give the property address and describe the proposed tasks. Ask what permits, reviews, or inspections apply, who should submit any paperwork, and what needs to happen before work starts. Keep the office’s response with the proposal. The questions to resolve depend on the property, the proposed work, and the direction you receive from the local office. If the scope changes, ask that office about the revised plan.

Discuss digging and property access

NC811 asks you to contact 811 or 1-800-632-4949 three working days before you plan to dig, and utilities mark publicly managed underground lines for free. Bring this up whenever the proposed work includes digging. Ask the company who will make the contact and how that step fits into the plan. Direct questions about NC811’s process or the marking service to NC811.

Walk through the proposed access route with the company before work begins. Ask where vehicles and equipment would go, what areas workers need to reach, and what you should move beforehand. Discuss gates, fences, planted areas, and any property features you want addressed in the agreement. Ask how disturbed areas will be handled when the work ends. Put agreed responsibilities in writing. If the company cannot describe an access route until it visits, leave that part of the scope open for written confirmation after the visit.

Request insurance details you can check

Ask for current insurance documentation before authorizing the job. Request the name of the insured business, the insurer, and a contact who can answer coverage questions. Check that the business named on the documentation matches the business entering the agreement. Ask the insurer or insurance agent to explain coverage for the proposed work and any limitations you need to understand. Keep the response with your contract records.

If the company plans to use subcontractors, ask who they are and how insurance questions will be handled for their work. Ask whom you should contact if property damage occurs and how you should report a concern. Get the response in writing. When an answer is unclear, send the question to the insurer or agent before proceeding. Your goal is to understand the documentation being offered and the process for raising a concern, without making assumptions from a short assurance that the company is insured.

Put the agreement in writing

Ask for a written contract that identifies the parties, the property, and the agreed work. Have the company describe the tasks, materials where relevant, access arrangements, cleanup, and any exclusions. Include responsibility for permit questions and paperwork as resolved with the local office. Ask what documents you will receive after the job and how you can raise a concern about the completed work.

Review how changes will be handled before signing. Ask the company to explain what happens if it finds something outside the agreed scope. Request a written description of proposed changes and a clear way for you to authorize them. Discuss payment terms, cancellation terms, and any warranty being offered, then have those terms included in the agreement. If a promise matters to your decision, ask for it in writing. Read the completed contract alongside the proposal and resolve differences before work begins.

Questions for the first call

Use your first call to gather answers you can compare with the written proposal. Ask: Do you perform the service I am requesting? What information do you need about my property and system? Who would assess the job? Who would perform it? Will any work be subcontracted? What certification details can you provide for installation or inspection work? Which agency can answer questions about those credentials?

Continue with practical questions: Which local office should I contact about the proposed work? Can you review my septic permit and system layout? Who will handle any agreed paperwork? If digging is proposed, who will contact NC811? Can you provide insurance documentation and an insurer or agent contact? What access will you need? What does the written scope include and exclude? How will changes be approved? What cleanup is included? What records will I receive? Write down the answers, then ask for unresolved points to be addressed before you authorize the job.