Platt Mechanical, B General Building Contractor in Applegate, CA
Platt Mechanical operating as a sole owner holds an active California contractor license (CSLB #1021759), valid through Dec 31, 2026. First issued in 2016, the license has been on the CSLB roster for 10 years. It carries 2 CSLB classifications: B General Building Contractor and C-20 HVAC Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Benchmark Insurance Company. The business is based in Applegate, in Placer County, California.
- License Number
- 1021759
- Issued
- Dec 13, 2016
- Status
- CLEAR
- Expires
- Dec 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101005662
- Effective
- Sep 22, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Benchmark Insurance Company
- Policy Number
- 99WC0000497000
- Effective
- Jul 17, 2025
- Expires
- Jul 17, 2026
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 Platt Mechanical licensed in California?
Yes. Platt Mechanical holds California Contractors State License Board license number 1021759, which is active and in good standing. The license was first issued on December 13, 2016. It is valid through December 31, 2026.
What does Platt Mechanical specialize in?
Platt Mechanical is licensed for 2 CSLB classifications: B General Building Contractor and C-20 HVAC Contractor.
Where is Platt Mechanical headquartered?
Platt Mechanical is headquartered at P O Box 674, Applegate, CA 95703, in Placer County, California.
Does Platt Mechanical have an active surety bond on file with CSLB?
Yes. Platt Mechanical has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Platt Mechanical carry workers' compensation coverage?
Yes. Platt Mechanical carries active workers' compensation coverage through Benchmark Insurance Company.
How do I verify Platt Mechanical's contractor license?
You can verify Platt Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1021759.
- License issuedDec 13, 2016
- WC coverage startsJul 17, 2025
- Bond activeSep 22, 2025
- WC expiresJul 17, 2026
- License expiresDec 31, 2026
- Interstate Construction INC#341026Roseville·A General Engineering Contractor
- Laier Robert#335107Meadow Vista·A General Engineering Contractor
- Duarte Construction#335288Loomis·B General Building Contractor
- Danielson Jerry Const#328852Lincoln·B General Building Contractor
- Sweeden Mark Construction#328488Rocklin·B General Building Contractor
- Sandeman Construction#328178Homewood·B General Building Contractor
- Kel-Mar Masonry INC#327902Rocklin·B General Building Contractor
- Twin Dolphin Construction INC#330587Homewood·B General Building Contractor
Working a California job with Platt Mechanical, 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 Platt Mechanical? Claim or correct this profile