St. Louis County Mechanical Contractor Bond
What it is & who requires it
Mechanical (HVAC) contractors operating across St. Louis County — the County licenses and bonds trades county-wide, so one County bond typically serves a contractor working in multiple County municipalities.
Obligee: St. Louis County, Missouri (Department of Transportation and Public Works). Citation: Mechanical Code of St. Louis County Sec. 1108.100 (Bond and Insurance Required).
Bond amount
The required bond amount is $10,000.
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: Maintained continuously
Filing
Filed with St. Louis County (Department of Transportation and Public Works) and kept in force while you are licensed. Required under the Mechanical Code of St. Louis County Sec. 1108.100, alongside a certificate of insurance; the County licenses and bonds trades county-wide, so one County bond typically serves work across multiple County municipalities.
Source
Verified against the obligee source (last checked 2026-06-07).
Related Missouri bonds
Frequently asked questions
- Who requires the St. Louis County Mechanical Contractor Bond?
- It’s required by St. Louis County, Missouri (Department of Transportation and Public Works) (Mechanical Code of St. Louis County Sec. 1108.100 (Bond and Insurance Required)). Mechanical (HVAC) contractors operating across St. Louis County — the County licenses and bonds trades county-wide, so one County bond typically serves a contractor working in multiple County municipalities.
- How much is the St. Louis County Mechanical Contractor Bond?
- The bond amount is $10,000.
- How do I get the St. Louis County Mechanical Contractor 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: Maintained continuously
- 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.
