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Featured Agents in Alton, TX

Prime Agent Badge
PRIME AGENT
Grizelda "Grace" Montalvo profile picture
Weichert Realtors Montalvo Associates

Grizelda "Grace" Montalvo

1 review
View Profile
26years of experience
660transactions all-time
Prime Agent Badge
PRIME AGENT
Jonathan Lindley profile picture
Re/max Platinum

Jonathan Lindley

Completed Profile
1 review
View Profile
20years of experience
38sales in the last 12 months
375transactions all-time
Marilyn Hardison profile picture
Star Properties Real Estate

Marilyn Hardison

Completed Profile
8 reviews
View Profile
45years of experience
36sales in the last 12 months
960transactions all-time

Compare 15 top-performing real estate agents in Alton, TX

Berkshire Hathaway Homeservice

Tom Shepherd

37 years of experience
35 sales in last 12 months
Serves Alton

About

I have worked in the Greater McAllen area for 25+ years taking care of Sellers and Buyers in all Residential Area.

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Achievements

Bachelor's Degree, UT-Pan American
Business

GRI, CRB

Business Highlights

1031 Tax Exchange, Buyer Representative, First Time Buyers, Relocation

Re/max Platinum

Diana Martinez Moon

Open 9:00 AM - 4:00 PM
Usually responds in 24 hrs
4 years of experience
Serves Alton

About

Diana’s work ethic was shaped early, hustling since 16 and bringing over 20 years of experience to RE/MAX. Raised in Corpus Christi, she was inspired by her father, a respected contractor, learning that real estate is about trust and relationships, not just transactions. She holds a Bachelor’s in Organizational Leadership from South Texas College but takes the most pride in being a mother to her two daughters. Outside of real estate, she volunteers at their schools and serves on multiple committees, including the Greater McAllen Association of REALTORS and the Rio Grande Valley Livestock Show Entertainment Committee since 2006. An award-winning RE/MAX agent with multiple certifications, Diana is fully bilingual in Spanish. She is dedicated to professionalism, attention to detail, and prioritizing her clients’ needs. With her, clients gain a trusted advocate to guide them through one of life’s biggest investments.

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Achievements

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Top Sales Producer 2025
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Top Volume Producer 2025
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Top Company Agent 2025

RE/MAX 100% Club

Bachelor's Degree, South Texas College
Organizational Leadership, 2019 - 2021

ABR, GRI, Licensed real estate agent, MRP, Pricing Strategy Advisor, C2EX

Business Highlights

Military (relocation), VA loans, New Construction, First Time Buyers
"Turning Dreams into Addresses"

Re/max Platinum

Amy Noelle Gallo

11 years of experience
Serves Alton

About

Amy Noelle Gallo is a Real Estate Agent in Alton, TX with the brokerage Re/Max Platinum. Over the last 11 years we have tracked null MLS listings by Amy.

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Acero Real Estate Experts Llc

Edward Maldonado

23 years of experience
56 sales in last 12 months
Serves Alton

About

I have been Licensed since 2001. I am a BROKER with 14 Designations of which are the following. . . CIPS, CRS, GRI, ABR, SFR, CNE, AHWD, CNHS, SRS, MRP, TAHS, TDHCA, e-PRO. I mostly specialize in Residential Real Estate and in Foreclosures.

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Achievements

GRI, e-PRO, ABR, CIPS, CRS, MRP, SFR, SRS

Business Highlights

1031 Tax Exchange, Buyer Representative, Condominiums, Distressed Properties

Star Properties Real Estate

Karla Karam Usi

Open 8:00 AM - 6:00 PM
Usually responds in 20 minutes
7 years of experience
6 sales in last 12 months
32 transactions all-time
Serves Alton

About

My priority is to get my clients to buy or sell their property with their objectives met. That communication is present in time and content. Customer service may seem simple, but it requires a real understanding of what is important. Real estate transactions are complex and it is my purpose to make them as smooth as possible.

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Achievements

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Top Negotiator 2025
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Sells Homes Fast 2025

e-PRO, GRI, Licensed real estate agent, SFR

Business Highlights

First Time Buyers, Buyer Representative, Luxury Properties, New Homes
Bilingual (English and Spanish Speaking)

We've introduced over 4,940,482 buyers and sellers to top local real estate agents in the past 15 years

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