CARL MAERTENS Contractor License — B - General Building Contractor in Monrovia, California

CARL MAERTENS is listed in Monrovia, California, and 91016. The available record identifies the business as . The listed license type is B | C36. The available licensing record lists the status as CLEAR. The record lists 2 license classifications: B - General Building Contractor and C36 - Plumbing Contractor. The record contains 1 insurance record. The record contains 1 bond record.

License Status: CLEAR

Contractor Record Check

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 independently guarantee workmanship, reliability, financial condition, or safety.

License Expiration

Listed expiration date: August 31, 2028. The listed license expiration date is more than one year away. The record's listed effective date indicates 36 years since the listed effective date.

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License Information

License Number
601255
Status
CLEAR
License Type
B | C36
Effective Date
August 24, 1990
Expiration Date
August 31, 2028
Suspension Date
Not available
License record note: The license number identifies the available licensing record. The status, effective date, expiration date, and suspension date reflect information contained in that record.

License Classifications

The available record contains 2 classifications.

  • B - General Building Contractor
  • C36 - Plumbing Contractor

Business Information

Business Name
CARL MAERTENS
Business Type
Sole Owner
Address
228 EAST GREYSTONE AVENUE
City
Monrovia
State
California
ZIP Code
91016
Phone Number
UBI
Not available

Insurance Information

Type
Exempt
Company
09/01/2026
CARL MAERTENS insurance record: The information above reflects insurance data available in the contractor record. It is not independent confirmation that coverage remains current.

Bond Information

Company
WESTERN SURETY COMPANY
Bond Number
67395604
Effective
06/29/2025
CARL MAERTENS bond record: The information above reflects bond data available in the contractor record. It is not independent confirmation that the bond remains current.

About This Contractor

CARL MAERTENS is listed in Monrovia, California, and 91016. The available record identifies the business as . The listed license type is B | C36. The available licensing record lists the status as CLEAR. The record lists 2 license classifications: B - General Building Contractor and C36 - Plumbing Contractor. The record contains 1 insurance record. The record contains 1 bond record.

The available record contains a broad set of structured fields, including license, location, business, classification, and compliance-related information.

Record completeness: 88% of the supported contractor fields are populated on this page (14 of 16). This is a data-availability measure, not a contractor quality score.

Licensing Source & Verification

Data update reference: September 2026

This page is based on a licensing record and is provided for reference. Licensing status, expiration dates, classifications, insurance, bond information, and other details may change.

For current official information, consult California Contractors State License Board .

User-submitted reviews are separate from licensing records and do not constitute verification of a contractor's qualifications.

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Frequently Asked Questions

What is the listed license status for CARL MAERTENS?

The available contractor record lists CARL MAERTENS as CLEAR. Check with the relevant state licensing authority for the latest official status.

Where is CARL MAERTENS listed?

The available record lists CARL MAERTENS in Monrovia, California.

What is the contractor license number?

The available record lists 601255 as the contractor license number.

What license type is listed?

The available record lists B | C36 as the license type.

What classifications are listed?

The available record contains 2 resolved license classifications. See the License Classifications section above for the names associated with those codes.

When does the listed license expire?

The available record lists an expiration date of August 31, 2028. The listed license expiration date is more than one year away.

Does the record contain insurance information?

Yes. The available record contains 1 insurance record. The presence of a record does not independently confirm that coverage remains current.

Does the record contain bond information?

Yes. The available record contains 1 bond record.