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A-1 Certified Environmental Services

Environmental Conservation Organization

A-1 Certified Environmental Services, LLC is a San Francisco-based environmental testing company specializing in independent mold inspection and indoor air quality assessment for residential and commercial properties. The organization provides objective, third-party testing designed to identify mold, airborne contaminants, and other environmental hazards without affiliation to remediation contractors, ensuring unbiased results for clients. The company offers a wide range of services including mo

Hours

• Mon, Tue, Wed, Thu, Fri, Sat, Sun: 7 AM – 9 PM

Prices

Prices as published by the business on the date shown. Confirm with the business before buying.

Services

• Comprehensive Independent Environmental Testing
• San Francisco's Most Trusted Environmental Testing
• Our Mold Testing and Indoor Air Quality Testing clients
• OUR PROCESS
• Trusted by Homeowners, Buyers & Realtors
• Serving San Francisco and All Major California Cities
• Common questions
• Schedule Your Mold Inspection or Indoor Air Testing Today
• Mold Testing & Inspection
• Indoor Air Quality Testing
• Commercial Air Quality
• VOC Testing
• Mold Clearance Testing
• 100% Independent & Unbiased
• 20+ Years of Expertise
• Same-Day & Weekend Service
• State-of-the-Art Testing Methods
• On-Site Sampling
• Lab Analysis
• Clear Reports
• Schedule Your Inspection
• Bay Area Coverage
• Statewide Service
• Schedule
• On-Site Testing
• Clear Report
• Real Stories from Our San Francisco Clients
• Ensure Your Property is Clean, Safe, and Mold-Free
• Schedule Mold Clearance Testing Today
• Our Mold Clearance Testing Process

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Sources: meta (CDLA-Permissive-2.0); business website read 2026-10-14. About our data.