Humboldt Mechanical Solutions, C-20 HVAC Contractor in Arcata, CA
Humboldt Mechanical Solutions operating as a sole owner holds an active California contractor license (CSLB #911478), valid through Feb 29, 2028. First issued in 2008, the license has been on the CSLB roster for 18 years. 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 Norguard Insurance Company. The business is based in Arcata, in Humboldt County, California.
- License Number
- 911478
- Issued
- Feb 28, 2008
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101391992
- Effective
- Feb 14, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Norguard Insurance Company
- Policy Number
- OSWC749161
- Effective
- Apr 1, 2026
- Expires
- Apr 1, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Humboldt Mechanical Solutions licensed in California?
Yes. Humboldt Mechanical Solutions holds California Contractors State License Board license number 911478, which is active and in good standing. The license was first issued on February 28, 2008. It is valid through February 29, 2028.
What does Humboldt Mechanical Solutions specialize in?
Humboldt Mechanical Solutions is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Humboldt Mechanical Solutions headquartered?
Humboldt Mechanical Solutions is headquartered at Po Box 4708, Arcata, CA 955184708, in Humboldt County, California.
Does Humboldt Mechanical Solutions have an active surety bond on file with CSLB?
Yes. Humboldt Mechanical Solutions has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Humboldt Mechanical Solutions carry workers' compensation coverage?
Yes. Humboldt Mechanical Solutions carries active workers' compensation coverage through Norguard Insurance Company.
How do I verify Humboldt Mechanical Solutions's contractor license?
You can verify Humboldt Mechanical Solutions's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=911478.
- License issuedFeb 28, 2008
- Bond activeFeb 14, 2025
- WC coverage startsApr 1, 2026
- WC expiresApr 1, 2027
- License expiresFeb 29, 2028
- Foi#885504Arcata·A General Engineering Contractor
- California Heating#845771Arcata·B General Building Contractor
- Air Tight#832746Arcata·A General Engineering Contractor
- Haven-Electric INC#814866Blue Lake·B General Building Contractor
- Scurfield Electric Heating & Solar#1036962Arcata·C-10 Electrical Contractor
- Redwood Mechanical#1032157Eureka·C-20 HVAC Contractor
- D C Mechanical#1009467Cutten·C-20 HVAC Contractor
- Nor Cal Mechanical LLC#1012972Garberville·B General Building Contractor
Working a California job with Humboldt Mechanical Solutions, 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 Humboldt Mechanical Solutions? Claim or correct this profile