Find Third-party NGBS Green Verifiers & Field Reps

Find the right partner to certify your project

Use the link below for a list of accredited NGBS Green Verifiers and Field Reps. Home Innovation accredits individuals, not companies; and each verifier is accredited to specific NGBS versions. Select a Verifier accredited to the NGBS version you are using. Home Innovation will not certify projects inspected by non-accredited individuals. If you need assistance finding the right Verifier for you — contact us.

What is an NGBS Green Master Verifier? NGBS Green Master Verifiers are individuals who have achieved exclusive, top-tier accreditation based on his/her significant green building knowledge and applied experience verifying NGBS Green compliance. 

Need a Verifier with Existing Building Expertise? Find a Verifier experienced with the unique demands of Existing Building certification.

Need a verifier with Water Rating Index (WRI) Training? Only NGBS Green Verifiers who have completed additional optional training in water efficient design and the calculations behind the Water Rating Index (WRI) are eligible to score and verify for a home’s features for a certified WRI score. 

Use the "Accreditation Type" filter below to find Verifiers with the right experience and accreditations for your project. 

Interested in becoming a verifier or a field rep? Check out the NGBS Green Verification Candidates' Handbook for details.

Accredited NGBS Green Verifiers

Verifier	Office Location	2020 NGBS	Master Verifier	WRI Verifier	Green Field Rep	Existing Building Experience (# of homes/apartments)
Carl Seville SK Collaborative, LLC	Decatur, GA					813
Joshua Sheets Building Performance Solutions, LLC	Vienna, VA
Martin Silva NW Energy Collaborative	Portland, OR
Callie Simon Lorax Partnerships, LLC	Baltimore, MD					9
Jack Singley SK Collaborative, LLC	Decatur, GA					116
Jason Sippel Cyclone Energy Group	Forest Park, IL
Jeff Slaugh Energetics Consulting Engineers, LLC	Aurora, CO
Drew Smith Two Trails, Inc.	Bradenton, FL					9
Natalie Sroka JGL Group, LLC Dba Eco Achievers	Chicago, IL
Kevin Stack Northeast Green Building Consulting, LLC	Syracuse, NY					221
Josh Stack Northeast Green Building Consulting, LLC	Syracuse, NY					19
Nate Steeber Sol Design + Consulting	Cincinnati, OH					2,244
Mark Stout Apollo Energies, Inc.	Vacaville, CA
Lucas Suchinski Mark Magrann Associates, Inc.	Mt. Laurel, NJ
Eric Sullivan Dominion Due Diligence Group (D3G)	Midlothian, VA					30
Michael Sumpter Lorax Partnerships, LLC	Baltimore, MD
Benjamin Swiernik Performance Point, LLC	Harrisburg, NC
Imran Syed Source Advisors	Fort Worth, TX
Alex Tapia Dominion Due Diligence Group (D3G)	Midlothian, VA
Alkesh Taylor Alendra Consulting Services, LLC	Frazer, PA