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Mark Costello

The Costello Group

Recent Sales

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  • 4 bd2 ba2,090 sqft Quinlan, TX
    4 bd2 ba2,090 sqft
    Quinlan, TX
    Sold 1 month ago
    Seller
    2271 Hideaway Ln, Quinlan, TX, 75474
  • 5 bd5 ba4,572 sqft Argyle, TX
    5 bd5 ba4,572 sqft
    Argyle, TX
    Sold 2 months ago
    Buyer
    9101 Cedar Rdg, Argyle, TX, 76226
  • 2 bd1 ba840 sqft Azle, TX
    2 bd1 ba840 sqft
    Azle, TX
    Sold 2 months ago
    Seller
    1800 Pelican Oval E, Azle, TX, 76020
  • 4 bd2 ba1,999 sqft Fort Worth, TX
    4 bd2 ba1,999 sqft
    Fort Worth, TX
    Sold 4 months ago
    Seller
    1065 Grand National Blvd, Fort Worth, TX, 76179
  • 5 bd6 ba5,449 sqft Dallas, TX
    5 bd6 ba5,449 sqft
    Dallas, TX
    Sold 4 months ago
    Buyer
    4805 Spyglass Dr, Dallas, TX, 75287
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24
Sales last 12 months
180
Total sales
$92K-$1.5M
Price range
$400K
Average price

Get to know Mark Costello

Broker

Specialties
Buyer's AgentListing AgentRelocationProperty ManagementFirst Time HomebuyersInvestment PropertiesMilitary/VeteransLuxury HomesNew ConstructionLot/Land
11 Years of experience

Mark Costello's listings & sales (186)

For Sale
For Rent
Sold
This map can show the most recent 100 listings and 100 sales. Review all listings and sales below.

For Sale (5)

For Rent (1)

Sold (180)

Address
Sold date
Closing price
Represented
Flag Sale
8/28/2025--Seller
8/14/2025--Buyer
8/4/2025--Seller
6/13/2025--Seller
5/23/2025--Buyer

Mark Costello's reviews (47)

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  • Highly likely to recommend5.05.0

    8/29/2025 - jwconnell51
    Sold a home in 2025.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    I've personally bought and sold homes in several different states and never had such a great, professional Real Estate agent as Mark. My son referred me me to Mark who handle his home purchase. I am so glade he did. If you are looking for a top tier...
  • Highly likely to recommend5.05.0

    4/17/2025 - zuser20170711181750706
    Bought and sold a Single Family home in 2025 in Canyon creek, Granbury, TX.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    I have been working with Mark for 3+ years, and I truly cannot sing his praises high enough. He is exceptional. Some of the qualities that make Mark stand out against anyone else are his skills in communication, negotiating, attention to detail, mark...
  • Highly likely to recommend5.05.0

    12/2/2024 - dawn joseph
    Bought and sold a home in 2024.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    ?I’m incredibly pleased with the service I received from The Costello Group, LLC. Mark has been such a pleasure to work with. My house was sold within 2 weeks of it being on the market. Mark helped me find my next house as well and was amicable and k...
  • Highly likely to recommend5.05.0

    4/12/2024 - magiwitch19242
    Bought and sold a Single Family home in 2024 in Weatherford, TX.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    Since we have lived in US we have been very lucky to have chosen the best realtors both in California and now in Texas. The Costello Group were fantastic. Their marketing material is outstanding and their communication through every step was timely...
  • Highly likely to recommend5.05.0

    7/24/2023 - crystal wright
    Sold a Single Family home in 2023 in Denton, TX.

    Local knowledge
    Process expertise
    Responsiveness
    Negotiation skills
    I was on the fence about selling to an investor or selling on the market. Mark convinced us we could potentially lose a lot of money if we sold to an investor. He made the selling process very smooth for us! We were under contract the very first week...

Mark Costello

The Costello Group
24sales last 12 months
180total sales
$92K-$1.5Mprice range
$400Kaverage price
11years of experience