

Meet Donna Castillo
Thinking about selling your home but not sure where to start? Wondering how much you’ll actually walk away with, or how to choose the right realtor to guide you through the process?
You’re not alone. For many homeowners, selling a home can feel overwhelming. Between advice from friends, information online, and reality shows about real estate, it’s easy to feel unsure about the best path forward.
After decades in the industry, Donna Castillo has seen just about every situation a homeowner can face. Those experiences inspired her to create The R.E.A.L. Method™, an educational framework designed to help homeowners better understand their equity, explore their options, and make confident real estate decisions.
Beyond real estate, Donna has a passion for comedy. After so many years in the business and the many life lessons that come with it, stepping on stage has become a fun creative outlet for her. Sharing humor and stories from life and real estate gives Donna a refreshing balance to the serious work she does helping clients navigate important decisions.

Meet Donna Castillo
Thinking about selling your home but not sure where to start? Wondering how much you’ll actually walk away with, or how to choose the right realtor to guide you through the process?
You’re not alone. For many homeowners, selling a home can feel overwhelming. Between advice from friends, information online, and reality shows about real estate, it’s easy to feel unsure about the best path forward.
After decades in the industry, Donna Castillo has seen just about every situation a homeowner can face. Those experiences inspired her to create The R.E.A.L. Method™, an educational framework designed to help homeowners better understand their equity, explore their options, and make confident real estate decisions.
Beyond real estate, Donna has a passion for comedy. After so many years in the business and the many life lessons that come with it, stepping on stage has become a fun creative outlet for her. Sharing humor and stories from life and real estate gives Donna a refreshing balance to the serious work she does helping clients navigate important decisions.
"Overall, it's been a phenomenal, outstanding experience working with Donna and we will strongly recommend her to everyone we know."
- Abraham and Ana H.
Testimonials
"Donna is by far the most compassionate agent I've worked with and she truly cares about me, my family and our real estate goals. If you're on the market to buy or sell your home, I highly recommend Donna."
- Michael L.
"Working with Donna was the best decision I could have made. She goes the extra mile to make sure that you get top dollar for your home. She handled all the negotiations and got me extras that I wasn't expecting."
- Tony B.
The R.E.A.L. Method™
Donna created The R.E.A.L. Method™ to educate homeowners through community presentations, workshops, and private consultations, helping people understand the financial and lifestyle impact of their real estate decisions.
The method focuses on four key areas:
R — Reality Check: Understanding the true financial position of your home.
E — Equity Awareness: Learning how your home equity works and how to use it wisely.
A — Available Options: Exploring the real estate and financial strategies available to homeowners.
L — Lifestyle Impact: Connecting real estate decisions to the life you want to live.
Through this approach, Donna helps homeowners move from confusion to clarity so they can make informed decisions about their future.
Experience That Sets Her Apart
Donna Castillo is a recognized Top 1% producing Realtor and strategic marketer with more than 25 years of corporate marketing experience in Silicon Valley, working with Fortune 500 companies before transitioning into real estate.
She proudly works with Intero Real Estate Services, collaborating alongside top-performing agents including members of the President’s Circle, providing clients with expanded resources, marketing expertise, and strong negotiation strategies.
Donna works with luxury home buyers and sellers, first-time homeowners, seniors planning their next chapter, investors, and professionals throughout Silicon Valley.
Community Leadership
Donna is passionate about serving her community and currently serves as:
Vice Chair – Senior Citizens Commission, City of San Jose
Vice President – NAHREP Silicon Valley
(National Association of Hispanic Real Estate Professionals)
Volunteer – Bay Area Women’s Sports Initiative (BAWSI)
She is also a member of the International Society of Female Professionals (ISFP).
A Trusted Resource for Homeowners
Whether you’re thinking about selling, exploring your options, or simply want to better understand your home’s value, Donna’s experience and The R.E.A.L. Method™ help homeowners make confident and informed decisions.

About Me
Learn More About Donna
