St. Louis County Master Plumber Bond
What it is & who requires it
Master plumbers and plumbing-drainlaying contractors operating across St. Louis County (county-wide licensing/bonding).
Obligee: St. Louis County, Missouri (Department of Transportation and Public Works). Citation: Plumbing Code of St. Louis County Sec. 1103.P-150 (Bond and Insurance Required).
Bond amount
The required bond amount is $25,000.
How to get it
This bond issues online — get bonded through our portal, usually in a single sitting once you confirm the bond, amount, and obligee.
Term & renewal
Term: Kept in force while licensed
Renewal: Cannot be cancelled as to obligations once a permit issues or work starts
Filing
Filed with St. Louis County (Department of Transportation and Public Works) and kept in force while you are licensed; it cannot be cancelled as to obligations once a permit issues or work starts. Required under the Plumbing Code of St. Louis County Sec. 1103.P-150, alongside a certificate of general liability insurance.
Source
Verified against the obligee source (last checked 2026-06-07).
Related Missouri bonds
Frequently asked questions
- Who requires the St. Louis County Master Plumber Bond?
- It’s required by St. Louis County, Missouri (Department of Transportation and Public Works) (Plumbing Code of St. Louis County Sec. 1103.P-150 (Bond and Insurance Required)). Master plumbers and plumbing-drainlaying contractors operating across St. Louis County (county-wide licensing/bonding).
- How much is the St. Louis County Master Plumber Bond?
- The bond amount is $25,000.
- How do I get the St. Louis County Master Plumber Bond?
- This bond issues online — get bonded through our portal, usually in a single sitting once you confirm the bond, amount, and obligee.
- What is the term?
- Kept in force while licensed Renewal: Cannot be cancelled as to obligations once a permit issues or work starts
- Is this bond insurance for me?
- No. It protects the obligee and the public — not you. If a valid claim is paid, you repay the surety.
- How is this requirement verified?
- We verify it against the obligee’s primary source (last checked 2026-06-07); the source link is on this page.
