
Get to know Mark Costello
Broker
Top 10% DFW Realtors | 100+ 5-Star Reviews | Full-Service Expertise
We’re Mark and Brandy Costello, a husband-and-wife real estate team based in Weatherford, Parker County, originally founded in North Dallas (Collin County). With over 100 five-star reviews and production that ranks us in the top 10% of agents across DFW, we offer a hands-on, high-touch experience that goes far beyond traditional real estate.
We specialize...
Specialties
11 Years of experienceBuyer's AgentListing AgentRelocationProperty ManagementFirst Time HomebuyersInvestment PropertiesMilitary/VeteransLuxury HomesNew ConstructionLot/Land
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)
Address | Bed/Bath | Listing price |
---|---|---|
![]() 1252 Annex Ave Dallas, TX 75204
| 3 Bed, 3 Bath | $725,000 |
![]() Pershing Rd Mineral Wells, TX 76067
| $45,000 | |
![]() 1404 Dawn Dr N Azle, TX 76020
| 2 Bed, 2 Bath | $70,000 |
![]() 707 Wells Ln Weatherford, TX 76085
| 1 Bed, 2 Bath | $2,250,000 |
![]() 101 N Hadley Rd Godley, TX 76044
| 4 Bed, 2 Bath | $499,900 |
For Rent (1)
Address | Bed/Bath | Listing price |
---|---|---|
![]() 832 N Main St Springtown, TX 76082
| 3 Bed, 1 Bath | $1,700/mo |
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)
Write a review- Highly likely to recommend||5.05.0
8/29/2025 - jwconnell51
Sold a home in 2025.Local knowledgeProcess expertiseResponsivenessNegotiation skillsI'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 recommend||5.05.0
4/17/2025 - zuser20170711181750706
Bought and sold a Single Family home in 2025 in Canyon creek, Granbury, TX.Local knowledgeProcess expertiseResponsivenessNegotiation skillsI 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 recommend||5.05.0
12/2/2024 - dawn joseph
Bought and sold a home in 2024.Local knowledgeProcess expertiseResponsivenessNegotiation 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 recommend||5.05.0
4/12/2024 - magiwitch19242
Bought and sold a Single Family home in 2024 in Weatherford, TX.Local knowledgeProcess expertiseResponsivenessNegotiation skillsSince 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 recommend||5.05.0
7/24/2023 - crystal wright
Sold a Single Family home in 2023 in Denton, TX.Local knowledgeProcess expertiseResponsivenessNegotiation skillsI 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...