Phase Change Mechanical, C-20 HVAC Contractor in Chula Vista, CA
Phase Change Mechanical operating as a corporation holds an active California contractor license (CSLB #1143975), valid through Sep 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from American Casualty Company of Reading PA. The business is based in Chula Vista, in San Diego County, California.
- License Number
- 1143975
- Issued
- Sep 23, 2025
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100983162
- Effective
- Jul 30, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- American Casualty Company of Reading PA
- Policy Number
- 8035653592
- Effective
- Sep 12, 2025
- Expires
- Sep 12, 2026
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Phase Change Mechanical licensed in California?
Yes. Phase Change Mechanical holds California Contractors State License Board license number 1143975, which is active and in good standing. The license was first issued on September 23, 2025. It is valid through September 30, 2027.
What does Phase Change Mechanical specialize in?
Phase Change Mechanical is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Phase Change Mechanical headquartered?
Phase Change Mechanical is headquartered at 1454 Melrose Ave Suite #1-174, Chula Vista, CA 91911, in San Diego County, California.
Does Phase Change Mechanical have an active surety bond on file with CSLB?
Yes. Phase Change Mechanical has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Phase Change Mechanical carry workers' compensation coverage?
Yes. Phase Change Mechanical carries active workers' compensation coverage through American Casualty Company of Reading PA.
How do I verify Phase Change Mechanical's contractor license?
You can verify Phase Change Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1143975.
- Bond activeJul 30, 2025
- WC coverage startsSep 12, 2025
- License issuedSep 23, 2025
- WC expiresSep 12, 2026
- License expiresSep 30, 2027
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