Derek Ng HVAC, C-20 HVAC Contractor in Monterey Park, CA
Derek Ng HVAC operating as a sole owner holds an active California contractor license (CSLB #1152562), valid through Mar 31, 2028. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Continental Casualty Company. The business is based in Monterey Park, in Los Angeles County, California.
- License Number
- 1152562
- Issued
- Mar 25, 2026
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101733419
- Effective
- Dec 30, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 8035806391
- Effective
- Feb 18, 2026
- Expires
- Feb 18, 2027
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 Derek Ng HVAC licensed in California?
Yes. Derek Ng HVAC holds California Contractors State License Board license number 1152562, which is active and in good standing. The license was first issued on March 25, 2026. It is valid through March 31, 2028.
What does Derek Ng HVAC specialize in?
Derek Ng HVAC is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Derek Ng HVAC headquartered?
Derek Ng HVAC is headquartered at 1333 South Isabella Ave, Monterey Park, CA 91754, in Los Angeles County, California.
Does Derek Ng HVAC have an active surety bond on file with CSLB?
Yes. Derek Ng HVAC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Derek Ng HVAC carry workers' compensation coverage?
Yes. Derek Ng HVAC carries active workers' compensation coverage through Continental Casualty Company.
How do I verify Derek Ng HVAC's contractor license?
You can verify Derek Ng HVAC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1152562.
- Bond activeDec 30, 2025
- WC coverage startsFeb 18, 2026
- License issuedMar 25, 2026
- WC expiresFeb 18, 2027
- License expiresMar 31, 2028
- G E M Plumbing INC#111308Sierra Madre·C-20 HVAC Contractor
- Darrow Heating and Air Conditioning CORP#114301North Hollywood·B General Building Contractor
- Acco Engineered Systems#120696Pasadena·A General Engineering Contractor
- E L Payne Company#120228West Hollywood·C-20 HVAC Contractor
- Hoskins Plumbing#91761Whittier·C-20 HVAC Contractor
- Sheflo Plumbing CO#91479Agoura Hills·C-20 HVAC Contractor
- Able Glass Services#243168Gardena·A General Engineering Contractor
- Aaa Calvert#242528Long Beach·C-10 Electrical Contractor
Working a California job with Derek Ng HVAC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Derek Ng HVAC? Claim or correct this profile