About Marnie
Your Neighborhood Realtor®
Helping Bring Peace of Mind to Real Estate
18 Years. One Market. Unmatched Expertise.
With over 18 years navigating the NTREIS luxury market, Marnie G MacLennan has built a reputation on discretion, market intelligence, and an unwavering commitment to her clients. Whether you're acquiring a trophy estate, investing in residential properties, or positioning a premier property for sale, Marnie brings the strategy and relationships that move markets.
Marnie specializes in Collin County and North Dallas — markets she knows intimately, from Highland Park to Frisco, Plano to Southlake. Her deep roots in the community and her extensive professional network give her clients an edge that simply can't be replicated.
What Sets Marnie Apart
The Marnie Difference
Discretion
Every transaction is handled with the utmost confidentiality and professionalism.
Market Intelligence
18 years of NTREIS data, trends, and relationships inform every recommendation.
White-Glove Service
From first showing to closing day, Marnie is with you every step of the way.
Peace of Mind
Helping Bring Peace of Mind to Real Estate — it's not just a tagline, it's a promise.
Professional Background
Credentials & Expertise
- NTREIS Member — 18+ Years
- Luxury Residential Specialist
- Collin County & North Dallas Markets
- Buyer & Seller Representation
- Investment Property Consulting
- License #0745885
Ready to Work Together?
Let's start a conversation about your real estate goals.