Where Houston
finds home.
I'm Illy Hassan, a luxury specialist with Substantia Realty, guiding discerning buyers and sellers across Greater Houston with market mastery, discretion, and white-glove care.
Empowering generational wealth, one key at a time.
Buying or selling a home is one of life's most significant moments, and one of the most powerful ways families build lasting wealth. I treat every transaction with the attention, strategy, and genuine care it deserves, combining deep Houston market knowledge with a calm, client-first experience from our first conversation to the closing table.
Buy a Home
From first showing to closing table, I curate properties that fit your life and negotiate fiercely on your behalf, bringing Certified Negotiation Expert skill to every offer.
Start Your Search→Sell a Home
Strategic pricing, polished presentation, and elevated marketing that position your home in front of the right buyers and capture its full market value.
Get a Valuation→Relocate with Ease
A Military Relocation Professional fluent in English and Somali, I make moving to, or across, Houston seamless, with local insight and vetted referrals at every step.
Let's Connect→
A trusted advisor for Houston's most discerning clients.
With a refined eye for quality and an unwavering commitment to her clients, Illy has built her reputation on trust, integrity, and results. She brings energy and precision to every transaction, whether you're purchasing your first luxury home, upgrading to your forever estate, or selling a treasured property.
Her clients describe her as responsive, polished, and genuinely invested in their goals. That's not a strategy, it's simply how she works.
More About IllyHouston's most coveted communities
From the master-planned streets of Katy to the historic charm of the Heights, I help clients find their place across Greater Houston's most desirable communities.
Why clients choose Illy
Expert Negotiation
As a Certified Negotiation Expert, I protect your interests and your bottom line, calmly and skillfully, from offer to close.
Generational Wealth
I believe homeownership is how families build lasting wealth. My mission is to open that door for every client I serve.
Bilingual & Bicultural
Fluent in English and Somali, I offer personalized service that meets clients where they are, with cultural understanding and genuine care.
Relentless Advocacy
Responsive, dependable, and fully invested in your goals. My clients describe me as the realtor who holds them down the whole way through.
My husband and I had the opportunity to work with Illy on leasing our place in Houston. Our situation got a bit complicated sometimes, but no matter what, Illy held us down the whole way through! She's a kind-hearted person and super knowledgeable about real estate. Once we're ready to buy, we know who we're going through!
Quanika Ogburn
Leasing Client · via HAR.com