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As a distinguished professional, I provide exclusive access to premier real estate opportunities, underpinned by extensive market knowledge and a relentless pursuit of excellence. My name is Joanna Koong, and I am proud to be part of Top Mountain Investment LLC., where I specialize in navigating the dynamic real estate market of Texas. My commitment to client satisfaction and deep understanding of the local landscape ensures that each of my clients receives tailored advice and exceptional service.

I currently manage listings in some of Houston's most sought-after neighborhoods, including Briargrove Park/Walnutbend, East End Revitalized, Rice/Museum District, and Winrock. My experience extends to successful sales in vibrant areas such as Atascocita South, Greenway Plaza, Katy - Southwest, and Sugar Land South. Additionally, I conduct showings in Fulshear/South Brookshire/Simonton, Katy - Southwest, and the Westchase Area, offering a comprehensive view of the diverse options available to prospective buyers and investors.

For those seeking expert guidance in the real estate market, I am readily available to assist. You can reach me at 281-831-7883 for personalized service and advice. To schedule an appointment, click here or contact me via email click here. For a detailed overview of the neighborhoods I serve, click here to see neighborhoods.

Whether you are buying, selling, or exploring investment opportunities, I am dedicated to making your real estate journey seamless and rewarding. My approach combines strategic insight with a keen eye for detail, ensuring that each transaction is handled with the utmost professionalism and care. I look forward to partnering with you to achieve your real estate goals.


Membership: Houston Association of REALTORS®

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Listings by Joanna Koong & Prior Sales

10318 Piping Rock Ln

Houston, TX 77042
$488K
Active
4 beds
2 baths
2,104 sqft.

6402 Del Monte Dr #30

Houston, TX 77057
$90K
Active
1 bed
1 bath
641 sqft.

4442 Leeland St

Houston, TX 77023
$300K
Active
2 beds
1 bath
1,504 sqft.
 

7717 Roswell St

Houston, TX 77022
$2K
Active
3 beds
2 baths
1,444 sqft.

2410 Dorrington St C

Houston, TX 77030
$5K
Active
3 beds
3 baths
2,398 sqft.
 
Sold: 07/30/2024
Represented: Buyer

3006 E Steepbank Cir

Sugar Land, TX 77479
$420K - $482K
Sold
4 beds
2 baths
2,372 sqft.
Sold: 07/26/2024
Represented: Buyer

18907 Aquatic Dr

Houston, TX 77346
$717K - $827K
Sold
4 beds
3 baths
3,588 sqft.
Sold: 03/24/2022
Represented: Buyer
$420K - $482K
Sold
4 beds
2 baths
2,246 sqft.
See more recently sold houses →
Rented: 05/14/2026
Represented: Both
$0 - $10K
Rented
2 beds
2 baths
1,343 sqft.
Rented: 01/13/2026
Represented: Seller

532 Wilcrest Dr #532

Houston, TX 77042
$0 - $10K
Rented
2 beds
2 baths
1,740 sqft.
Rented: 12/12/2025
Represented: Seller

642 Wilcrest Dr #642

Houston, TX 77042
$0 - $10K
Rented
3 beds
3 baths
2,417 sqft.
See more recently rented houses →
 

3118 Bonnebridge Way Blvd

Houston, TX 77082
$1.30M
Under Contract - P
4 beds
4 baths
3,861 sqft.

2814 Tudor Manor

Houston, TX 77082
$699K
Under Contract - P
3 beds
3 baths
3,828 sqft.

3210 Bonnebridge Way Blvd

Houston, TX 77082
$1.25M
Under Contract - P
3 beds
3 baths
4,006 sqft.
See more recent showing →
 

Neighborhoods

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Joanna Koong with Top Mountain Invesment LLC. is a real estate professional in TX. View Joanna Koong's bio, Listings by Joanna Koong, Neighborhoods where Joanna Koong is active and more. You can contact Joanna Koong by clicking the button below.

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Office location

Top Mountain Invesment LLC.

9999 Bellaire Blvd, Ste 300, Houston, TX 77036
Top Mountain Invesment LLC., is a Texas real estate firm, located at 9999 Bellaire Blvd, Ste 300, Houston, TX 77036. Top Mountain Invesment LLC. provides a wide range of real estate services. Consumers continue to find value in having a real estate professional help them through the home buying and selling process. The range of services the real estate professionals provide is proving ever more valuable in real estate transactions (financing twists and sales contract intricacies). Please view Top Mountain Invesment LLC. current listings, or sold listings.

Buyers and sellers give reviews to the real estate agents for the level of expertise and professionalism they bring to the real estate transaction. View Top Mountain Invesment LLC. Agent Roster. Top Mountain Invesment LLC. has multi-lingual agents: Mandarin. Top Mountain Invesment LLC. has multi-cultural agents, including agents from Taiwan.

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