Broker Associate for 30 plus years with Coldwell Banker Real Estate Professionals, formerly Walden Real Estate Company, Coldwell Banker United, Realtors and now Coldwell Banker Realty with 120 years of guiding you home!. Always a full time agent serving your real estate needs! My greatest compliment are my referrals!

  • Member of the International President's Elite Award Presented to the top 4% Coldwell Banker Agents Nationwide

Member of National Association of Realtors Member of Texas Association of Realtors

  • International Presidents Circle AwardFive Star Professional Agent

    Advisory Board for Lake Conroe,

    International Diamond Society,

    Circle of Honor Sales and Listings,

    Texas Monthly Magazine 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 Five Star Real Estate Professional For Overall Client Satisfaction,

    International Sterling Society,

    Chaired Christmas on the corner,

    Listed top 10 real estate agents on Lake Conroe

    Platinum agent

    Certified Relocation Specialist

    Senior Sales Specialist

2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 Cartus Network Relocation Specialist (CNRS) Certified New Home Specialist (Cert. New Home Sp.) Certified Residential Referral Specialist (CRRS) Certified Residential Specialist (CRS)
2012, 2013, 2014,2015, 2016, 2017, 2018, 2019, 2020, 2021 2022, 2023, 2024. Member of the Presidents Council 2012, 2013, 2014, 2015
Certified Agent Advantage Specialist 2012, 2013, 2014, 2015, 2016, 2017
Diamond Society 2009, 2010, 2011, 2012, 2013 Senior Specialist, Military Specialist, Top producer, International Sterling Society, Lifetime Achievement Award. Platinum agent
CNAS Cartus Network Affinity Specialist
Realogy Corporate Relocation Certification 2022, 2023, 2024

(HAR) Member Houston Association of Realtors (TAR) Member of Texas Association of Realtors (NAR) National Association of Realtors. Broker/associate in the state of Texas

Five Star Real Estate Professional, Texas Monthly Magazine 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

International Sterling Society 2015, Top producer 2015 Relocation Closed OGR 2015, 2016. Five Star Professional Agent 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025   Platinum agent.
Broker Associate
A Team agent Realogy Advantage Network
Realogy Partner Certification Agent, Certified Relocation Specialist/ CNAS Cartus Network Affinity Specialist. Anywhere Leads Corporate Relocation Certification Agent


Membership: Houston Association of REALTORS®

Team

Member of Turn Key Realty Team

Designations

Recommendations

7 recommendation(s)
TM
Mimi Kostich, recommended by Tanita Mitchell, helped sell a property on May. 15th, 2025.

“I’ve had the pleasure of working with Mimi on two separate occasions—once during the home buying process and again during the selling process. In 2013, while I was stationed out of state on active duty in Washington State, Mimi guided me through building my home in Montgomery County. She handled everything from start to finish—keeping me updated with photos of the construction, reviewing contracts, and making the entire process seamless. At closing in 2014, she even had the opportunity to meet my entire family, including my then 6-month-old baby boy, my 1-year-old daughter, and my 7-year-old son. Fast forward 11 years to December 2024—I reached out to Mimi once again to help me sell that very same home, now while living in South Carolina. Just like before, she managed the entire process with professionalism and care. Coincidentally, the baby boy from my first home purchase is now 11 years old, my daughter is 12, my oldest son is 16, and during the sale, I had another 6-month-old—history truly has a way of repeating itself. Mimi has always been just a phone call or text away and has treated me like family from day one. If you’re looking for a knowledgeable, dedicated, and caring real estate agent, I highly recommend her services."

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Listings by Mimi Kostich & Prior Sales

179 County Road 3550

Cleveland, TX 77327
$50K
Active
16,553 sqft. lot
 
Sold: 02/27/2026
Represented: Seller

10025 Plum Grove Rd

Cleveland, TX 77327
$215K - $250K
Sold
3 beds
2 baths
2,044 sqft.
Sold: 05/27/2025
Represented: Seller

14 Mulberry Glen Pl

Spring, TX 77382
$370K - $420K
Sold
3 beds
2 baths
2,008 sqft.
Sold: 04/30/2025
Represented: Seller

16735 Warbler Dr

Conroe, TX 77385
$285K - $325K
Sold
4 beds
2 baths
3,086 sqft.
See more recently sold houses →
Rented: 10/01/2025
Represented: Seller

336 Lazy Ln

Montgomery, TX 77356
$0 - $10K
Rented
3 beds
2 baths
1,560 sqft.
Rented: 06/13/2025
Represented: Seller

12100 Melville Dr 206B

Montgomery, TX 77356
$0 - $10K
Rented
1 bed
1 bath
735 sqft.
Rented: 03/10/2025
Represented: Seller

334 Lazy Ln

Montgomery, TX 77356
$0 - $10K
Rented
3 beds
2 baths
1,560 sqft.
See more recently rented houses →
 

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Mimi Kostich with Coldwell Banker Realty - The Woodlands is a real estate professional in TX. View Mimi Kostich's bio, Listings by Mimi Kostich, Neighborhoods where Mimi Kostich is active and more. You can contact Mimi Kostich by clicking the button below.

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Office location

Coldwell Banker Realty - The Woodlands

1335 Lake Woodlands Dr, Ste C, The Woodlands, TX 77380
Welcome to the Greater Houston Area! A cosmopolitan city with the heart of the country, Houston is more than the sum of its parts! Cultural diversity and a multitude of lifestyle opportunities, from waterfront properties on Lake Conroe, Lake Houston or Clear Lake, the quaint nostalgia of the Heights, the thriving suburbs of Katy, The Woodlands, Tomball and Pearland,to the luxury of Memorial, Bellaire, River Oaks and West University. There’s even the beaches of Galveston and Lake Jackson with all of its amenities… the Greater Houston area offers something for all who are looking to buy or sell. Our trained and experienced agents have the knowledge and expertise to help you sell your home or find a home, including special requests such as new homes, waterfront property, condominiums, vacation property and ranch/farms/land. Use our quick search to find homes for sale in the Greater Houston area.

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