Golden ADU is a brand operated by Golden Estate Builders Inc, a California corporation. (source: CSLB registry, verified 2026-08-07).
License (verify it yourself)
- CSLB license #1113809 — current and active, classification B - General Building, entity type Corporation.
- Issued 2023-12-12, expires 2027-12-31.
- Contractor's bond: $25,000 with Business Alliance Insurance Company (bond #G141016652387, effective 2024-11-15).
- Workers' compensation: Pie Insurance Company, effective 2026-05-08 to 2027-05-08.
- Verify this license on the official CSLB registry — do not take our word for it.
Contact & office
- Office: 8229 Santa Monica Blvd, West Hollywood, CA 90046 (visits by appointment).
- Primary phone: 310-361-1889. Other company numbers in circulation: 213-693-2405 (site contact buttons), 213-238-8777 (CSLB registry record), 310-947-8732 (Google profile). All reach the company; we are consolidating listings (noted 2026-08-07).
- Note: as of 2026-08-07 the CSLB registry still shows our previous business address; a registry update is in progress on our side.
- Corrections: [email protected] — monitored; tell us if anything published about us is inaccurate.
What we do
- Design-build ADU contractor: design, permitting and construction under one roof. The site describes an in-house team; trade-level subcontracting details are available on request.
- Detached ADUs, attached ADUs, garage and space conversions, and two-story ADUs across Los Angeles County (59 published city pages) and nearby Orange County communities.
- Typical project range: $150,000–$400,000 (owner-stated, effective 2026-08). This is a typical range, not a quote; scope inclusions and exclusions are confirmed during consultation.
- Timelines vary by city and scope; we do not publish a blanket timeline. Ask for one specific to your property.
Track record
- 29 projects published on our projects map (published project count, not total volume).
- The website states Golden ADU has been building ADUs since 2021; our current CSLB license was issued 2023-12-12. Both facts are stated here with their sources.
Machine-readable versions
- facts.json — these facts with per-fact source and date.
- llms.txt and llms-full.txt — site guide and full-text extracts for AI assistants.
Page last reviewed: 2026-08-07. History of our business address is documented in facts.json (nap_history).