Eca Engineering
- P O Box 7294, Riverside, CA 92505
- (661) 864-9360
- September 17, 2026
Based in Palm Desert, Riverside County, Z L Golden Construction holds California contractor license #603959, classified B (General Building). The license was active and clear when this listing was compiled.
This classification covers projects that cross trade lines — additions, second stories, ADUs, structural alterations, whole-house renovations and post-loss reconstruction. A general contractor can perform or subcontract the individual trades, but the permit and the schedule sit with them.
Working in the Coachella Valley: Blowing sand and long periods of intense sun are hard on exterior finishes, seals and mechanical equipment, and they shorten maintenance intervals noticeably.
Before you hire any general contractor: On a project of any size, ask for the payment schedule in writing before work starts. California caps the down payment on home improvement contracts at $1,000 or 10% of the contract price, whichever is less — progress payments after that should track completed work, not the calendar.
License status can change at any time. Confirm license #603959 is current, and check bond and workers’ compensation coverage, using the CSLB license lookup before signing a contract or paying a deposit.
This profile was compiled from California State License Board public records and is unclaimed — Z L Golden Construction has not added its own details. Are you the owner? Claim this listing to add photos, services and a description of your work, or contact us to have it removed.
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