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Brooks Ballard International Real Estate

Looking to sell your property, buy a new home, or just need some expert real estate advice?

About
Karoline Walker is not your average Realtor. She is a nationally recognized Negotiation Expert (RENE®) and an Accredited Listing Agent. She built a successful business with a unique blend of real estate and architecture. After 10 years as a project manager, Karoline left the corporate world and joined forces with a licensed architect. They combine Karoline's knowledge of land, coastal property, and residential real estate with architectural understanding to serve clients in a way that no other team can.

Karoline partners with her husband, Chuck (Harvard Law), to support commercial transactions. He handles M&A, guiding companies to IPO; she focuses on established businesses. Her clients include top business and civic leaders. Whether in pro sports, ranching, medicine, or finance, she strives to deliver a seamless experience for every deal.

If you are in the market to sell your home or business in one of the many areas she serves, she values the opportunity to earn your business.
Highlights *
23
Recent sales
$34K-$1.24M
Price range
$505K
Median price
5
Years experience

Recent Listings & Sales

Address Sold Date Sold Price Represented
3836 Gramercy St
Houston, TX 77025
6/22/2026 $650,000
Last known list price
Seller
3836 Gramercy St
Houston, TX 77025
6/22/2026 $650,000
Last known list price
Seller
2704 Maxroy Dr
Houston, TX 77007
5/29/2026 $805,000
Last known list price
Buyer
21602 Kennedy Dr
Galveston, TX 77554
4/6/2026 $660,000
Last known list price
Seller
914 Main St #1213
Houston, TX 77002
12/19/2025 $275,000
Last known list price
Seller

Transaction History *

Seller Deals

Total Deals
13
Total Value
$8,182,000
Median Sale Price
$610,000
Price Range
$36K - $1.24M

Buyer Deals

Total Deals
11
Total Value
$4,039,090
Median Sale Price
$208,500
Price Range
$34K - $1.02M

Sales Volume Timeline

Find Houston Homes’s production volume for the past 3 year period Q3 ’23 Q3 2023: $209K Q4 ’23 Q4 2023: $259K Q1 ’24 Q1 2024: $1M Q2 ’24 Q2 2024: $425K Q3 ’24 Q3 2024: $1.3M Q4 ’24 Q4 2024: $899K Q1 ’25 Q1 2025: $2.7M Q2 ’25 Q2 2025: $489K Q3 ’25 Q3 2025: $1.5M Q4 ’25 Q4 2025: $740K Q1 ’26 Q1 2026: $0 Q2 ’26 Q2 2026: $2.7M Q3 ’26 Q3 2026: $0 Q3 2023 Total Sales $209K Q4 2023 Total Sales $259K Q1 2024 Total Sales $1M Q2 2024 Total Sales $425K Q3 2024 Total Sales $1.3M Q4 2024 Total Sales $899K Q1 2025 Total Sales $2.7M Q2 2025 Total Sales $489K Q3 2025 Total Sales $1.5M Q4 2025 Total Sales $740K Q1 2026 Total Sales $0 Q2 2026 Total Sales $2.7M Q3 2026 (Jul 1-Aug 15) Total Sales $0

Ratings & Reviews
5.0 (9)

Lee Cullip
Houston, TX - Jul 28, 2026

I’ve known Karoline for over 25 years, and I can say without hesitation that she is one of the most trustworthy, professional, and capable people I know.

As a Global Real Estate Advisor, Karoline brings not only deep market knowledge and sharp negotiation skills, but also genuine care for the people she serves. She listens carefully, communicates clearly, and consistently goes above and beyond to ensure her clients feel confident and informed at every step of the process.

What sets Karoline apart is her integrity. She gives honest guidance, keeps her word, and works tirelessly to achieve the best possible outcome. Whether buying, selling, or investing, you are in exceptionally good hands with her.

I wholeheartedly recommend Karoline to anyone looking for a real estate advisor who combines expertise, professionalism, and heart.

Source: Google

Mike Coogan
Houston, TX - Jun 1, 2026

Karoline is smart and professional throughout the process. I can be notoriously difficult to work with on big items, and this was a very hard to sell property. She was there to talk through each possible option and the implications. She was completely transparent during all of the negotiations. I recommend her to all of my family and friends.

Source: Google

Tassie and Roy Ferrill

Karoline helped us sell our West Texas hunting ranch and simultaneously buy our dream ocean-front property. We had no idea what we were doing with coastal "raw" land. But Karoline knew everything and she was our trusted expert.
She helped us price out all the improvements ahead of time, find the builder, and negotiated the purchase of our lot and build. She helped us find fencing contractor, bulkhead builder, get city permits for water/electric/septic and other recommended vendors.
Her vast knowledge of land sales from the ranch to the beach is so impressive, she really made us feel confident through the entire process. She is the real deal and we highly recommend her to anybody looking for a GREAT realtor.

Source: Agent

Jasmine Wilcox

I’ve had the pleasure of working with Karoline and The Gullo Group on several transactions.
My wife and I were looking for a condo for us in Houston. She was able to put together a customized list and get us set up for tours when we would come to town. We ending up purchasing our dream condo in the Museum District.

Karoline was fast and efficient, but most importantly patient and knowledgeable. She made sure we were always aware of what needed to be done, and communicated between the lenders and title company to ensure a smooth closing. She quickly became a trusted advisor, and we knew we could rely on her throughout the entire process.

Our experience with Karoline was exceptional. I would highly recommend her to anyone looking for a dedicated, knowledgeable and trustworthy realtor.

Source: Agent

James Krueger

Karoline did a great job as my agent. She was always available to show me homes and had great communication throughout the entire process. Her knowledge of the Houston market helped me find the best location for my requirements.

She was always available to look at houses with me when I was free and helped me in getting the best deal I could for my home. She also helped negotiate other incentives from the seller side such as a fridge and wood floors in the closet. I am so pleased as a first time home buyer and I would recommend her to anyone looking for an agent. She will take amazing care of you like she did for me!

Source: Agent

Professional Info

Brokerage

Brooks Ballard International Real Estate
309 Gray Street ste 108
Houston, TX 77002

Licensed

Licensed REALTOR®
TX 775529

Awards

  • Top Producer, 2022-25
  • Certified Luxury Real Estate Agent
  • Certified Commercial Real Estate Agent
  • Real Estate Negotiation Expert (RENE)
  • Platinum Award, 2023, ‘24, ‘25

Specialties

  • First-time buyers
  • Luxury properties
  • Recreation & Vacation
  • Relocation

Designations

  • ABR®
  • ALHS
  • CELA
  • CLHMS
  • CLP
  • CNE
  • RENE

Hobbies

  • Animals
  • Arts & Crafts
  • Fitness & Exercise
  • Gardening
  • Music
  • Outdoor Activities
  • Shopping
  • Sports
  • Technology
  • Television & Film
  • Theatre
  • Travel
  • Volunteering
  • Writing

Education

Millsaps College
Bachelor’s Degree, English, Pre-Law
2007 - 2011

Top Cities *

Houston

  • 11 sales past 3 years
  • 80 days on market
  • $570K median price

El Campo

  • 3 sales past 3 years
  • $164K median price

Anahuac

  • 2 sales past 3 years
  • 115 days on market
  • Unknown median price

Service Areas (171 cities)

Aldine, TX Alvin, TX Anahuac, TX Anderson, TX Angleton, TX Arcola, TX Atascocita, TX Bacliff, TX Bailey's Prairie, TX Barrett, TX Bay City, TX Bayou Vista, TX Baytown, TX Beach City, TX Beasley, TX Bellaire, TX Blessing, TX Boling, TX Bolivar Peninsula, TX Bonney, TX Brazoria, TX Brazos Country, TX Brookshire, TX Brookside Village, TX Bunker Hill Village, TX Cape Royale, TX Channelview, TX Cinco Ranch, TX Clear Lake Shores, TX Cloverleaf, TX Clute, TX Coldspring, TX Conroe, TX Cove, TX Crockett, TX Crosby, TX Cumings, TX Cut and Shoot, TX Damon, TX Danbury, TX Deer Park, TX Deerwood, TX Dickinson, TX East Bernard, TX East Columbia, TX El Campo, TX El Lago, TX Fairchilds, TX Fifth Street, TX Four Corners, TX Freeport, TX Fresno, TX Friendswood, TX Fulshear, TX Galena Park, TX Galveston, TX Grangerland, TX Grapeland, TX Greatwood, TX Hedwig Village, TX Hillcrest, TX Hillcrest Village, TX Hilshire Village, TX Hitchcock, TX Holiday Lakes, TX Houston, TX Humble, TX Hungerford, TX Hunters Creek Village, TX Huntsville, TX Iago, TX Iowa Colony, TX Jacinto City, TX Jamaica Beach, TX Jersey Village, TX Jones Creek, TX Katy, TX Kemah, TX Kendleton, TX La Marque, TX La Porte, TX Lake Jackson, TX Latexo, TX League City, TX Liverpool, TX Lovelady, TX Magnolia, TX Manvel, TX Markham, TX Matagorda, TX Meadows Place, TX Midway, TX Millican, TX Mission Bend, TX Missouri City, TX Mont Belvieu, TX Montgomery, TX Morgan's Point, TX Nassau Bay, TX Navasota, TX Needville, TX New Territory, TX New Waverly, TX Oak Island, TX Oak Ridge North, TX Oakhurst, TX Old River-Winfree, TX Orchard, TX Oyster Creek, TX Palacios, TX Panorama Village, TX Pasadena, TX Pattison, TX Pearland, TX Pecan Grove, TX Pinebrook, TX Pinehurst, TX Piney Point Village, TX Plantersville, TX Pleak, TX Point Blank, TX Porter Heights, TX Prairie View, TX Quintana, TX Richmond, TX Richwood, TX Riverside, TX Rock Island, TX Rosenberg, TX Rosharon, TX San Felipe, TX San Leon, TX Sandy Point, TX Santa Fe, TX Sargent, TX Seabrook, TX Sealy, TX Shenandoah, TX Shoreacres, TX Sienna, TX Simonton, TX South Frydek, TX Southside Place, TX Spring, TX Spring Valley Village, TX Stafford, TX Stagecoach, TX Sugar Land, TX Surfside Beach, TX Sweeny, TX Taylor Lake Village, TX Texas City, TX The Woodlands, TX Thompsons, TX Tiki Island, TX Todd Mission, TX Tomball, TX Trinity, TX Van Vleck, TX Wadsworth, TX Waller, TX Wallis, TX Webster, TX West Columbia, TX West University Place, TX Weston Lakes, TX Westwood Shores, TX Wharton, TX Wild Peach Village, TX Willis, TX Woodloch, TX

* Sales data is calculated based on transaction information available to Agent Pronto at the time of publishing and may not accurately reflect all transactions for a given agent.