MARK LANSDOWN CONSTRUCTION
License #621009·Sole Owner·SIERRA MADRE, Los Angeles County
Summary
MARK LANSDOWN CONSTRUCTION operating as a sole owner is licensed in California under CSLB number 621009. The license was first issued in 1991, putting the business at 35 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and an exempt workers' compensation status (no employees on payroll). The business is based in SIERRA MADRE, in Los Angeles County, California.
Business Information
License Details & Classifications
- License Number
- 621009
- Issued
- May 29, 1991
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
Classifications
Financial & Insurance Coverage
Contractor Bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond Number
- 101038448
- Effective
- Feb 20, 2026
- Status
- Active
Workers' Compensation
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 18, 2026
- Expires
- —
License StatusActive
Contractor BondOn file
Workers' CompensationActive
Activity Timeline
- License issuedMay 29, 1991
- WC coverage startsFeb 18, 2026
- Bond activeFeb 20, 2026
- License expiresMar 31, 2028