Treeline Builders, B General Building Contractor in Azusa, CA
Treeline Builders operating as a sole owner holds an active California contractor license (CSLB #784745), valid through Jan 31, 2028. First issued in 2000, the license has been on the CSLB roster for 26 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Azusa, in Los Angeles County, California.
- License Number
- 784745
- Issued
- Sep 20, 2000
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800231888
- Effective
- Feb 25, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 23, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Treeline Builders licensed in California?
Yes. Treeline Builders holds California Contractors State License Board license number 784745, which is active and in good standing. The license was first issued on September 20, 2000. It is valid through January 31, 2028.
What does Treeline Builders specialize in?
Treeline Builders is licensed for one CSLB classification: B General Building Contractor.
Where is Treeline Builders headquartered?
Treeline Builders is headquartered at 1017 N Orange Ave, Azusa, CA 91702, in Los Angeles County, California.
Does Treeline Builders have an active surety bond on file with CSLB?
Yes. Treeline Builders has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Treeline Builders carry workers' compensation coverage?
Treeline Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Treeline Builders's contractor license?
You can verify Treeline Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=784745.
- License issuedSep 20, 2000
- WC coverage startsFeb 23, 2026
- Bond activeFeb 25, 2026
- License expiresJan 31, 2028
- Petro-Builders INC#241905Santa Fe Springs·A General Engineering Contractor
- Kinner Ray Builders#240260Santa Monica·B General Building Contractor
- Circulating Air INC#240778North Hollywood·B General Building Contractor
- Seismic Retrofit Specialists#241580Culver City·B General Building Contractor
- Alpha Construction CO INC#241368Van Nuys·B General Building Contractor
- O B Construction Builders A1 INC#237811Palmdale·A General Engineering Contractor
- Porter Boiler Service INC#239280Signal Hill·B General Building Contractor
- Western Pacific Roofing CORP#235717Palmdale·B General Building Contractor
Working a California job with Treeline Builders, 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 Treeline Builders? Claim or correct this profile