John Henry Maddock
General Building · Saint Louis, MO 63116 · License #Q.107921
About John Henry Maddock
John Henry Maddock is a state-licensed general building contractor in Saint Louis, MO. They hold an unlimited license issued by the North Carolina Licensing Board for General Contractors (NCLBGC), under license number Q.107921. This license is currently active, first issued in November 2025.
With an unlimited license, John Henry Maddock is permitted to undertake construction projects of any value in North Carolina. All license data shown on this page is sourced directly from official NCLBGC public records.
Contractor Details
- Address
- 4607 Beck Ave, Saint Louis, MO 63116
- Phone
- (314) 772-9696
- License #
- Q.107921
- Status
- Active
- Level
- Unlimited — learn more
Verify this license at NCLBGC
Search for license #Q.107921 on the official NC Licensing Board portal
License Timeline
License Issued
November 20, 2025
Current Status: Active
Unlimited license
Trade Classifications
Service Area
John Henry Maddock is licensed to operate throughout the state of North Carolina. Their primary office is located in Saint Louis, MO 63116. While their office is based in MO, their NCLBGC license authorizes work throughout North Carolina. NCLBGC licenses are valid statewide — this contractor may take on projects anywhere in NC within their unlimited license scope.
Other Contractors at This Address
Frequently Asked Questions
Yes. John Henry Maddock holds an active contractor license (Q.107921) issued by the North Carolina Licensing Board for General Contractors (NCLBGC). Their license level is Unlimited.
John Henry Maddock is classified for: Building. With a unlimited license, they can take on projects of any value.
You can verify John Henry Maddock's license status through the official NCLBGC portal. Search for license number Q.107921. You can also use our license verification guide for step-by-step instructions.
An Unlimited license means John Henry Maddock can undertake construction projects of any value in North Carolina. This is the highest license level issued by the NCLBGC. Learn more about NC contractor license levels.
NCLBGC licensing does not guarantee insurance coverage. While John Henry Maddock holds a valid contractor license, you should independently verify their insurance status before hiring. Ask the contractor directly for a certificate of insurance covering general liability and workers' compensation.
John Henry Maddock has been licensed since November 2025, under license number Q.107921.
John Henry Maddock is certified for the following trade classifications: Building. Each classification allows the contractor to perform specific types of construction work in North Carolina.
To file a complaint, contact the NC Attorney General's Consumer Protection Division at ncdoj.gov, or reach the NCLBGC directly through their official portal. Include the contractor's license number (Q.107921) when filing.
Call John Henry Maddock at (314) 772-9696. Their office is at 4607 Beck Ave, Saint Louis, MO 63116. Or send a message through our site.
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|---|---|---|---|
| ARCO Construction Holdings, Inc. | L.107058 | Unlimited | 2025 |
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| Bank Bldg & Equip Corp Of America | L.02290 | Unlimited | 1951 |
| Bekins Distribution Services Co., Inc. | L.33364 | Limited | 1994 |
| Benjamin Joseph Keane | Q.107360 | Unlimited | 2025 |
| Cameron B. Pinzke | Q.28301 | Unlimited | - |
| Commercial Installation & Construction Company | L.70351 | Limited | 2011 |
| Cooperative Building Solutions, LLC, T/A | L.77706 | Unlimited | 2017 |
Active State License
License #Q.107921 — issued by NCLBGC.