Why Erin?

Erin's Real Estate Philosophy

By staying abreast of market conditions, and every step in the transaction process Erin is able to help her buyers and sellers identify challenges early & obtain resolutions that are satisfactory to all sides of a transaction. Erin believes each person is usually focused on different outcomes that can be achieved in unison with the other parties goals and works to help her clients achieve the outcomes that are important to them in a transaction. 

Erin Mandeville

Big Sky Sotheby's International Real Estate

Erin's Personal Interests

  • Advanced Open Water Diver
  • Erin's traveling in April 2018 to attain her sailing certification

  • Erin's English Setter "Chuck Norris" is a certified therapy dog who volunteers with Erin

  • Erin's Boston Terrier "George" is an experienced cuddle bug - with no certifications

  • Past certified high ropes facilitator

  • Past certified life guard

Who is Erin?

As a 5th generation Gallatin Valley resident, and a 2nd generation Gallatin Valley real estate Broker, Erin Mandeville understands and has personally experienced the changing conditions driving Buyer & Seller representation.


Erin is not only an experienced real estate Broker who consistently serves a rare mix of clientele including: land developers, first time home buyers, investors and 1031 exchange clients in Bozeman, Montana and the surround 60┬▒ miles, but is also a past licensed title insurance producer. This cross-training and experience enables Erin to correctly anticipate, assess and resolve any challenges that may arise in the real estate process.


Erin's Professional Certifications

  • Title Producer License in 2006 

  • EcoBroker┬« certification in 2008 

  • AHWD (At Home With Diversity) Designation in 2009 
  • GRI (Graduate of the REALTOR┬« Institute) Designation in 2011
  • Broker's License in 2014
  • President's Circle Award 2015 (top 4% of Berkshire Hathaway HomeServices Agent's nationwide)