Public CSLB records

Installation Pro Plumbing LLC, C-36 Plumbing Contractor in Rancho Cucamonga, CA

License #1091801·Limited Liability·Rancho Cucamonga, San Bernardino County
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Summary

Installation Pro Plumbing LLC operating as a limited liability holds California contractor license #1091801, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2022, the license has been on the CSLB roster for 4 years. It carries 2 CSLB classifications: C-36 Plumbing Contractor and C-61/D-34 Prefabricated Equipment Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Technology Insurance Company INC. The business is based in Rancho Cucamonga, in San Bernardino County, California.

Business Information
Address
10209 Devon St
Rancho Cucamonga, CA 91730
License Details & Classifications
License Number
1091801
Issued
May 20, 2022
Status
CLEAR
Expires
May 31, 2026
Entity
Limited Liability
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101699483
Effective
Nov 13, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Technology Insurance Company INC
Policy Number
TWC4766773
Effective
Feb 20, 2026
Expires
Feb 20, 2027
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
License StatusInactive / Expired
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Installation Pro Plumbing LLC licensed in California?

Installation Pro Plumbing LLC previously held California Contractors State License Board license number 1091801, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 20, 2022.

What does Installation Pro Plumbing LLC specialize in?

Installation Pro Plumbing LLC is licensed for 2 CSLB classifications: C-36 Plumbing Contractor and C-61/D-34 Prefabricated Equipment Contractor.

Where is Installation Pro Plumbing LLC headquartered?

Installation Pro Plumbing LLC is headquartered at 10209 Devon St, Rancho Cucamonga, CA 91730, in San Bernardino County, California.

Does Installation Pro Plumbing LLC have an active surety bond on file with CSLB?

Yes. Installation Pro Plumbing LLC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Installation Pro Plumbing LLC carry workers' compensation coverage?

Yes. Installation Pro Plumbing LLC carries active workers' compensation coverage through Technology Insurance Company INC.

How do I verify Installation Pro Plumbing LLC's contractor license?

You can verify Installation Pro Plumbing LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1091801.

Activity Timeline
  1. License issuedMay 20, 2022
  2. Bond activeNov 13, 2025
  3. WC coverage startsFeb 20, 2026
  4. License expiredMay 31, 2026
  5. WC expiresFeb 20, 2027
Other contractors in San Bernardino County
California lien & payment resources

Working a California job with Installation Pro Plumbing LLC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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