INTERLOCK PLUMBING is shown as CLEAR, under C-4 | C36, in Antioch, California.
License status: CLEAR
Record check: ✓ No adverse status shown
The available licensing record does not show a suspension, expiration, or other adverse status.
| License status | ✓ Yes |
| Address | ✓ Yes |
| Phone | ✓ Yes |
| License Type | ✓ Yes |
| License expiration | ✓ Yes |
| Insurance record | ✓ Yes |
| Bond record | ✓ Yes |
This check shows which key information is available in the licensing record. It does not guarantee a contractor's workmanship, reliability, financial condition, or safety.
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The recorded license type is C-4 | C36. This identifies the broader license category shown in the database.
The business has 2 recorded classifications. Other recorded classifications include C-4 - Boiler, Hot Water Heating and Steam Fitting Contractor, C36 - Plumbing Contractor. These classifications provide more specific information about the types of work associated with the business.
The database shows the license status as CLEAR. The recorded license number is 1149890. The recorded effective date is February 3, 2026. The listed expiration date is February 29, 2028.
The business is recorded as a Corporation. A business structure that operates as a separate legal entity from its owners.
The recorded business location is Antioch, California. The database lists the address as 4045 ROCKFORD DR. The listed phone number is (510) 932-0391.
The recorded insurance type is Workers' Compensation Insurance. The listed insurance company is NATIONAL SPECIALTY INSURANCE COMPANY. The policy or reference number is NXT43HKKYY00WC. Coverage is recorded as effective from 01/11/2026. The record lists coverage through 01/11/2027.
The recorded bond company is AMERICAN CONTRACTORS INDEMNITY COMPANY. The bond number is 101031911. The bond is recorded as effective from 01/23/2026.
Last checked / data updated: September 2026
This information is based on a licensing record and is provided for reference purposes. Licensing status, expiration dates, classifications, insurance, bond information, and other details may change.
Please verify the current information with California Contractors State License Board before hiring a contractor.
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The available database record lists INTERLOCK PLUMBING as CLEAR. Check with the relevant state licensing authority for the latest official status.
INTERLOCK PLUMBING is listed in Antioch, California in the available contractor record.
The recorded license type is C-4 | C36. The record lists C-4 - Boiler, Hot Water Heating and Steam Fitting Contractor, C36 - Plumbing Contractor as classifications.
The recorded expiration date is February 29, 2028. This date should be confirmed with the state licensing authority because records can change.
The license number in the available record is 1149890.
The phone number listed in the record is (510) 932-0391.
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