Mgp Construction

Upland · San Bernardino County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Mgp Construction in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#510978 verify on CSLB ↗
Classifications
A, B, C-10, C-36, C-46
Years licensed
39.1 years since 05/19/1987
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current STATE COMPENSATION INSURANCE FUND
Business type
Sole Owner
Qualifying principal
Michael Gregory Porteous
Address of record
P O Box 355, Upland, CA 91785

Frequently Asked Questions

Is Mgp Construction a licensed Plumbing contractor in California?

Yes. Mgp Construction holds California CSLB contractor license #510978 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.

What work is Mgp Construction licensed to perform?

License #510978 carries C-36 (Plumbing), plus additional classifications: A, B, C10, C46.

Is Mgp Construction bonded?

Yes. Mgp Construction carries contractor's bond #101056983 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Mgp Construction carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with STATE COMPENSATION INSURANCE FUND, with a policy expiration of 05/01/2027.

How long has Mgp Construction held its contractor license?

License #510978 was originally issued on 05/19/1987, approximately 39 years ago (as of July 2026).

Where is Mgp Construction located?

Mgp Construction is based in Upland, San Bernardino County, CA 91785.