Highland Park · University Park · Preston Hollow
Senior Real Estate Advisor · Allie Beth Allman & Associates
The Advisor
Grecia Garza-Castillo, known to most of Dallas as GG, is a Senior Real Estate Advisor with Allie Beth Allman & Associates and team lead of GGDALLAS Real Estate Group.
She has been licensed in Texas since 2012 and works the Park Cities, Preston Hollow, Bluffview, Uptown and East Dallas, with her team alongside her. A TCU graduate in neuroscience, psychology and Spanish, she was named to D Magazine’s Best Real Estate Agents list in 2020, 2021 and 2022, and works with clients in English and Spanish.
Meet Grecia
Now Listed
Frisco, TX 75034. Offered at $2,199,000. Five bedrooms, five and a half baths, 5,545 square feet on a quarter acre, with extensive updates completed in the last three years.
How I Help
Three ways to begin, each handled personally from first call to closing.

Private showings across the Park Cities, Preston Hollow and North Dallas, with a straight read on condition, price and resale.
Explore Buying →
Preparation, photography and pricing handled by a marketer, then placed in front of every buyer and agent working your neighborhood.
Explore Selling →
A quiet conversation about the market, your timing and your options. In English or Spanish.
Request A Consultation →Recent Representation
Seven of eighty six closings published on her brokerage profile, from the Park Cities and Preston Hollow to the M Streets and Uptown.







Thinking About A Move
A private valuation, prepared personally, with a straight list of what would lift the number before it goes live.
Request A ValuationAddresses, specifications and photography as published on her Allie Beth Allman agent profile. Sale prices are not published there and are never estimated here.
Client Reviews
Repeat clients and referrals carry this business. Their words belong here.
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Placeholder text. Your own Google and Zillow reviews load here automatically at launch, newest first.
Placeholder text. This marquee pulls your live reviews, so the words on the finished site are your clients’ words.
Placeholder text. Five star reviews rotate here, with the reviewer name and neighborhood under each one.
Placeholder text. Nothing here is written for you. It is a placeholder until your reviews are connected.
Placeholder text. Reviews refresh on their own once the site is live, so this section never goes stale.
Reach
Grecia built her career on marketing before she led a team, and it shows in how a listing arrives on the market.
Listings enter the record with complete data and full photography, so agents, buyers and appraisers see the home the way it deserves to be seen.
Allie Beth Allman & Associates is one of the strongest luxury names in Dallas, with a roster of several hundred agents and their buyers.
GGDALLAS Real Estate Group was featured in the April 2026 issue of Modern Luxury Dallas, and Grecia works both sides of the market in English and Spanish.
Areas Served
Six Dallas neighborhoods, each with its own buyer and its own pricing logic.
The centre of the Dallas luxury market, and the most protected address in the city.
Ask About Highland Park →
Park Cities schools with a wider range of price points than Highland Park.
Ask About University Park →
Acre lots, gated drives and the estate end of the Dallas market.
Ask About Preston Hollow →
Creek lots, mature trees and architecture that is not all one thing.
Ask About Bluffview →
1920s Tudors, real trees and the best value in central Dallas.
Ask About Lakewood and M Streets →The Difference
Eighty six published closings, a team behind her, and one point of contact for you.
D Magazine Best Real Estate Agents in 2020, 2021 and 2022, and a Latino Business Award finalist in 2016 and 2017.
Licensed Texas sales agent since 2012, TREC #623128, with Allie Beth Allman & Associates. Team lead of GGDALLAS Real Estate Group.
Calls and texts to (409) 392-4832 reach Grecia. Conversations in English or Spanish, answered the same day.
By Appointment
Buying, selling or simply weighing the market. Start with a private conversation, no obligation.
Request A Consultation