Changa Lake

Company facts

Self-certified in SAM.gov

• Minority Owned Business
• For Profit Organization
• Small Business Joint Venture
• Black American Owned

Entity structure

Sole Proprietorship

Other NAICS codes in SAM.gov

• 236116 New Multifamily Housing Construction (except For-Sale Builders)
• 236117 New Housing For-Sale Builders
• 236118 Residential Remodelers
• 236220 Commercial and Institutional Building Construction
• 238110 Poured Concrete Foundation and Structure Contractors
• 238120 Structural Steel and Precast Concrete Contractors
• 238130 Framing Contractors
• 238140 Masonry Contractors

Show all 16

• 238150 Glass and Glazing Contractors
• 238160 Roofing Contractors
• 238170 Siding Contractors
• 238310 Drywall and Insulation Contractors
• 238320 Painting and Wall Covering Contractors
• 238330 Flooring Contractors
• 238350 Finish Carpentry Contractors
• 238390 Other Building Finishing Contractors

SAM.gov registration date

Jul 13, 2026

Physical address

632 Sargent St, San Francisco, CA 94132, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Aug 3, 2026.