All information contained herein is derived from sources deemed reliable, however, is not guaranteed by Big Sky Sotheby's International Realty, Managing Broker, Agents or Sellers. Offering is subject to error, omissions, prior sales, price change or withdrawal without notice and approval of purchase by Seller. We urge independent verification of each and every item submitted, to the satisfaction of any prospective purchaser. 

Closing the Deal

We make it as easy for first-time home buyers as it is for those with past experience;  Erin's guidance as a full time professional real estate broker every step of the way cultivates a streamlined process.

Expect Excellence working with Erin, it is her standard of service!

 Experienced Real Estate Broker


We pair competitive rates and programs with fantastic escrow services.  Did you know having the right lender on your team and best loan for you can improve your offers strength? 

We pride ourselves in connecting buyers & sellers with property that perfectly fit their needs. Serving Gallatin & Park Counties, Erin is currently accepting new clients. Call today! 406.579.3583, Broker, EcoBroker®, GRI

Erin Mandeville

Big Sky Sotheby's International Real Estate

View Latest Homes

Let’s face it. Choosing the right home is one of your most important decisions. Do you know how to evaluate which property is the perfect property for you? Let Erin share her strategies!