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Mark O'Donnell
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Mark O'Donnell

I bring a strong foundation built on integrity, honesty, and a genuine commitment to putting people first. I believe that trust is everything in this business, and I work hard to earn it by being transparent, responsive, and dependable every step of the way.

Whether helping clients buy, sell, or simply explore their options, I focus on delivering a level of service that goes above and beyond expectations. That means taking the time to truly understand each client’s goals, communicating clearly, and making the process as smooth and stress-free as possible.

Real estate isn’t just about transactions—it’s about relationships. My goal is to be someone clients can rely on not just for one deal, but for years to come. I’m committed to working tirelessly, advocating for my clients’ best interests, and making sure they feel confident and supported from start to finish.

Featured Listings

$420,000
  • 4 Beds
  • 2 Full Baths
  • 1 Partial Baths
  • 1,804 sqft
  • 0.10 Acreage
138 Hanahan Plantation Circle, Hanahan, SC 29410
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$839,000
  • 4 Beds
  • 2 Full Baths
  • 2,248 sqft
  • 11.98 Acreage
5950 Lowell Reed Road, Ravenel, SC 29470
MLS Logo
$675,000
  • 3 Beds
  • 2 Full Baths
  • 1 Partial Baths
  • 2,081 sqft
  • 0.14 Acreage
5703 Saint Angela Drive, North Charleston, SC 29418
MLS Logo
$424,900
  • 5 Beds
  • 3 Full Baths
  • 1 Partial Baths
  • 2,301 sqft
  • 0.14 Acreage
141 Surfbird Road, Summerville, SC 29486
MLS Logo
$1,280,000
New - 46 Hours Ago
  • 4 Beds
  • 3 Full Baths
  • 3,372 sqft
  • 0.15 Acreage
2226 Mother Of Pearl Drive, Mount Pleasant, SC 29466
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$277,000
  • 2 Beds
  • 2 Full Baths
  • 1,272 sqft
2032 Egret Crest Lane, Charleston, SC 29414
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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 10/01/2026. The listing information on this page last changed on 10/01/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Thu 10/01/2026 10:10:15 PM EST) or Pee Dee MLS (last updated Thu 10/01/2026 10:05:55 PM EST) or CCAR MLS (last updated Thu 10/01/2026 10:04:32 PM EST) or Columbia SC MLS (last updated Thu 10/01/2026 10:00:29 PM EST) or Charleston Trident MLS (last updated Thu 10/01/2026 9:53:53 PM EST) or SCCMLS (last updated Thu 10/01/2026 10:07:09 PM EST). Real estate listings held by brokerage firms other than Carolina One Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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