Mary Costello
Real Estate Agent at
Costello & Associates
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Agent Highlights
Mary sells properties fast - selling more than 56% quicker than the average Dallas agent.
Mary's Transactions
- Single Family HomeBuyer08/31/2026
- 560 Wilson Bend RoadMillsapSingle Family HomeSeller08/21/2026
- Single Family HomeSeller07/22/2026
- Single Family HomeSeller07/22/2026
- Single Family HomeSeller07/16/2026
- Single Family HomeSeller07/16/2026
- Single Family HomeSeller07/15/2026
More about Mary Costello
Mary works under Costello & Associates.
Mary has sold 1.46x the number of single family homes as the average agent in the area.
Here’s a little about Mary’s real estate experience:
- Mary recently sold one home for $453,250.
- Mary’s fastest selling home sold in 32 days.
- this real estate agent sold 100% more homes this year than they did last year.
Mary has completed 6 transactions in Dallas.
Mary Costello's Reviews & Ratings
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Mary Costello