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    Piatt Sothebys International Realty

    519 Broad Street
    Sewickley, PA 15143

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      65 REVIEWS(5.0/5)
      Judith M.
      June 24, 2026
      Zillow
      VERIFIED
      Where does one start when reviewing excellence? Last year when I had to make the difficult decision to move from my hometown of Pittsburgh, I was matched with Kathe through Piatt Sotheby's and the recommendation of a good friend. Kathes professionalism extends to her knowledge and deep connection to the Sewickley community and the greater Pittsburgh area. Her legal skills, combined with her remarkable creative marketing expertise, emotional intelligence and relatability made selling my house the easy part of navigating my move. Kathes advice and knowledge of the market are invaluable. Trusting an agent makes it a pleasure to follow their advice. My house sold in a day! I highly recommend Kathe Barge to anyone needing to purchase or sell their home.
      C S.
      September 1, 2026
      Zillow
      VERIFIED
      Kathe was wonderful to work with throughout the entire home-buying process. From the beginning, we always felt like she was truly in our corner. She gave us all the information we needed to make good decisions, was incredibly honest and transparent with us, and never made us feel pressured in any direction. We also went through two difficult negotiation processes, and Kathe was excellent through both of them. She helped us understand our options, advocated for us when it mattered, and ultimately helped guide us to the right outcome each time. Having her experience and judgment in those moments made a huge difference. We would absolutely recommend Kathe to anyone looking for a realtor, especially in the Sewickley area. She knows the area and the local market extremely well, and that knowledge was invaluable throughout the process. Were very grateful we had her representing us and would happily work with her again.
      Zuser20200112081830562
      June 29, 2026
      Zillow
      VERIFIED
      We selected Kathe after a series of aEUR~capability and fit meetings with a shortlist of very talented realtors in the Sewickley market. From the jump, she differentiated herself through her market mastery, analytical capabilities and work ethic. Her value-add extended into all realms of our process, lending her time and talent - and her considerable network of contacts - to help us plan and execute every phase of work. But it was in moments of complexity and uncertainty that Kathes true super powers were revealed. In these instances, she exhibited a remarkable clarity of thought and action, acknowledging our aEUR~emotion while moving us forward toward a productive set of indicated actions that ultimately resulted in a successful transaction. Our journey with Kathe was a master class in IQ and EQ. We recommend her without hesitation.
      Alex
      August 12, 2026
      Zillow
      VERIFIED
      We couldnt have asked for a better realtor than Kathe. She helped us purchase our first home when we moved to Pittsburgh, and six years later, she helped us sell it as we moved closer to family. Kathe was incredibly knowledgeable, responsive, and invested in making the process as smooth as possible. She gave us sound advice on preparing the house, and it paid off. We had multiple offers right off the bat and ended up selling over asking! Kathe helped us find this home during such an important time in our lives and she helped us navigate selling it when it was time for our next chapter. We are so grateful for everything she did for our family. We highly recommend Kathe to anyone looking for a realtor who is knowledgeable, trustworthy, and truly cares about her clients!
      Bill C
      February 16, 2026
      Zillow
      VERIFIED
      Kathe has a refined professional presence that sets her apart from other real estate agents. Her extensive experience in the Greater Pittsburgh market, not just in Sewickley where her office is located, was apparent in all phases of our buying process. Her detailed knowledge of construction, renovation, and remodeling coupled with her creativity were of particular value to us as we evaluated potential properties. Kathe was a practicing attorney for a number of years, which also sets her apart from other agents. Her legal and market experience contributed to our understanding of various legal documents (particularly the sale/purchase contract) and to managing the successful conclusion to a challenging purchase negotiation.
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