Oil Tank Directory: public lists of certified tank firms
Find contractors that appear on public state certification lists for underground storage tank (UST) work — including heating-oil tank removal, closure, testing, and related services. Browse by state, open a firm page, and always verify the license with the issuing agency.
Browse by state Request a connection
States with imported public lists
Why homeowners look this up
Buried heating-oil tanks often surface during a home sale. Lenders and title companies may ask for proof of removal or closure. Tickets for a clean residential removal commonly land in the low thousands of dollars; contamination cleanup costs much more. See our cost guide and home-sale disclosure notes.
Public cert data
We copy published agency lists (Ecology, DEQ, MDE, DOEE, OCC, DEEP, DEP, and others). We don't invent firms or reviews.
Compare, then verify
Use firm pages for name, phone, cert ID and source link. Confirm status on the state's own lookup before you hire.
Optional connection
Prefer one form? Send a request and we can pass it to a listed firm that covers your ZIP — still free, still not a contractor referral fee product yet.
Sources
- EPA: Underground Storage Tanks (USTs)
- EPA: Heating Oil Tanks
- WA Ecology UST program
- SC DES UST certified contractors
- NC DEQ UST service provider listing
- Maryland MDE Oil Control Program
- DC DOEE Underground Storage Tanks
- Oklahoma OCC Petroleum Storage Tank Division
- CT DEEP release-based cleanup / 454GP
- Florida DEP storage tank compliance
Connect with a listed firm
Directory disclosure: Oil Tank Directory is a public certification lookup and comparison site. We are not a contractor, and we do not perform tank removal, testing, or cleanup. We list firms that appear on publicly published state certification or service-provider lists. Always verify a firm's current license or certification with the issuing state agency before hiring.