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Clients describe Kate Costley as the person who makes a complicated home transaction feel manageable: recent Google reviewers repeatedly mention clear guidance, responsiveness, and steady communication. She is based at Apex Real Estate in Nashua, and her own site says she has helped buyers and sellers since 2006, with a focus on new construction and multifamily investments. The six Google reviews collected in June 2026 are uniformly positive, though most are broad rather than job-specific. Clients mention buying and selling homes, multiple property transactions, first-time purchases, full-price offers, and help through negotiations and deadlines; one reviewer says Kate helped them buy and sell over a ten-year period. The recurring through-line is hands-on guidance from the first showing through closing. Before booking, confirm which side of the transaction you need represented and whether your property fits her stated Southern New Hampshire communities. Her site lists Hooksett, Bedford, Windham, Derry, Salem, and Auburn, and says she also works with new construction and multifamily investments. Kate looks best suited to buyers, sellers, and investors who want a responsive local real-estate professional to coordinate the process. Ask about current availability, representation terms, and experience with your specific property type before signing an agreement.
Working with Kate has been an excellent experience. She is thorough, communicative, and knowledgeable. Kate gives everything she works on 100% effort and is always looking out for the best interest of the client! Would definitely work with her again and highly recommend - 10/10!
Kate has helped me buy & sell my homes for the past 10 years!! She was professional, knowledgeable, and always available to answer questions throughout the entire process. Her guidance made everything smoother. I couldn't be happier with the outcome and highly recommend Kate to anyone looking to buy or sell a home!
Kate was incredible throughout the entire home-buying process. She was knowledgeable, responsive, and truly had our best interests in mind every step of the way. She made what could have been a stressful experience feel smooth and manageable. Thanks to her guidance and dedication, we found the perfect home. I highly recommend Kate to anyone looking to purchase a home!
Outstanding Realtor – Highly Recommend Kate! She is professional, knowledgeable, dedicated, and highly attentive to detail. Her strong communication skills, integrity, and commitment to excellence set her apart. She consistently demonstrates expertise in the real estate market and approaches every situation with patience, confidence, and professionalism. Her work ethic and genuine care for her clients make her an outstanding realtor. I highly recommend her to anyone looking for exceptional real estate services.
If you want someone in your corner, who works very hard at helping you sell or purchasing a new home. You can count on Kate making this process very easy for you. She’ll walk you through the whole process very easily and handle all the steps needed in doing so in a timely and professional manner.
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1 change recorded — last scanned Aug 28, 2026.