How to Use the Standard

Points for using certified quarries and fabrication facilities are available through LEED v4 and Living Building Challenge. Learn details for obtaining these credits and other ways to specify responsible stone sourcing in your projects.


Download Standard       Source Sustainable Stone



ANSI 373 is a USGBC approved program meeting CSR (corporate sustainability report) requirements. Credits can be earned through LEED v4 in the following areas:

>Material and Resources Building Product Disclosure & Optimization

>Sourcing of Raw Material Raw Material Source & Extraction Reporting

>>7.1. Site Management Plan

>>7.2. Enhanced Site Management Planning

>>>>7.2.1. Site Management- Ecosystem


Living Building Challenge

Under the Materials petal of the Living Building Challenge, the Responsible Industry imperative  requires a third-party certified standard for sustainable resource extraction and fair labor practices. For stone, project teams must advocate to quarries and/or manufacturers of all dimension stone products used within the project for certification under the ANSI 373 Standard.


Specification Language

Include a requirement for sourcing sustainably produced stone in your projects.

  • Stone detailed in this section must be certified to the ANSI 373 Sustainable Production of Natural Dimension Stone standard.
  • Minimum __% of permanently installed building products are third-party certified to a multi-attribute sustainability standard and/or have an EPD.


Stones of North America

Use Natural Stone

Genuine. Versatile. Unique. Durable. Sustainable. Easy to Maintain.