Courtney Castillo - Real Estate

08/21/2026

There were more than a few Sotheby’s International Realty listings that made headlines last month — from Thomas Jefferson’s childhood home in Richmond to Stevie Wonder’s former manse in the San Fernando Valley. Just look at July’s press highlights and see for yourself!

08/14/2026

From Canada to the Caribbean, here are five standout sales represented by Sotheby’s International Realty affiliates in the month of June.

08/04/2026

In today’s ultraluxury homes, closets are no longer treated as secondary features — they are planned with care and designed as an extension of the home, but also tailored to the owner’s lifestyle and needs. Check out the Sotheby’s International Realty blog for some dressing-room design inspiration: s.sir.com/dressingrooms.

07/31/2026

From ancient Egypt to Victorian England, turquoise has been beloved by artists and designers for centuries. For ideas on how to incorporate this timeless hue into your home, check out the Sotheby’s International Realty blog: s.sir.com/turquoise.

07/29/2026

Where are the world’s ultra-wealthy choosing to call home? Recent data shows this particular demographic — those with a net worth of $30 million or more — is highly mobile, with 1 in 5 living outside their native country. Swipe to learn more about today’s globally minded UHNWIs and their migration patterns.

07/24/2026

Where does the high-end housing market stand midyear? “Despite declining inventory, ongoing economic uncertainty and reduced new listings, luxury home sales continued to accelerate month over month and year over year throughout spring 2026.”

For more intel on national market trends as well as North Texas stats, check out our fact-filled blog post: https://bit.ly/4hrPEHs.

07/22/2026

The wealthiest homebuyers in the world are getting older, and they’re building homes to match their lifestyles. Learn more about how the longevity and wellness industry is reshaping high-end real estate, in this Luxury Outlook article: https://bit.ly/4vopEQK.

07/20/2026

Thinking about selling your home? Get a quick estimate to see how your home compares to the rest of the market!

Thinking about selling your home? Click below for a quick estimate to see how your home compares to the rest of the market

07/15/2026

Exciting news! 🥂 I am thrilled to share that I have joined Briggs Freeman Sotheby's International Realty in a dual role as a Realtor and Strategic Growth Manager.

Before stepping into this next chapter, I want to send a massive thank you to the Duran & Co Team at Monument Realty. I am incredibly grateful for your years of partnership, support, and the amazing memories we built together! 🤍

This new move seamlessly brings my two worlds together. As Strategic Growth Manager, I will be focusing on attracting top talent and helping our advisors scale their businesses. As a Realtor, I will continue advising buyers and sellers, now backed by the incredible global reach and luxury marketing power of the Sotheby's brand.

Whether you’re a real estate professional looking to grow your career, or you’re ready to tackle your next real estate goal, please feel free to reach out directly. Let’s connect! 📩

Courtney Castillo | Texas Realtor
Briggs Freeman Sotheby’s Int’l Realty
817-876-1016