Sabrina Flagstad

Project Assistant

Accreditations, Certifications & Advanced Degrees
  • LEED® Green Associate™
  • Bachelor of Science, Environmental Management and Protection, California Polytechnic State University, San Luis Obispo, 2021


Sabrina started with O’Brien360 in 2022, bringing with her experience in sustainable project management, focused on waste diversion and greenhouse gas emissions reporting. As Project Assistant, she provides coordination and field verification support to projects pursuing certification under National Green Building Standards and LEED for Homes. Sabrina’s passion and curiosity for sustainable design have enhanced her ability to conduct meaningful research and educate clients on industry standards. Sabrina earned her Bachelor of Science in Environmental Management & Protection from California Polytechnic State University, San Luis Obispo, and is an accredited LEED Green Associate.