Marilyn Brennan

what i do

Marilyn knows virginia.

As a premier real estate professional serving Washington, D.C., Reston, and the greater Northern Virginia area, Marilyn Brennan is known for her discretion, precision, and commitment to excellence. She specializes in helping athletes, entertainers, and high-profile clients buy, sell, and invest in luxury properties with total confidence and privacy.

With a background in high-level negotiations and an unmatched understanding of the D.C. and Northern Virginia luxury markets, Marilyn curates seamless real estate experiences tailored to each client’s goals—whether that means finding a private estate close to the city, a modern condo near top training facilities, or a high-yield investment property.

Marilyn’s mission is simple: to make every real estate journey smooth, strategic, and stress-free from the first conversation through closing and beyond. Her personalized approach, strong local connections, and deep market insight redefine what it means to work with a top-tier real estate professional in one of the nation’s most competitive regions.

If you’re an athlete, entertainer, or executive seeking a trusted partner in the Washington, D.C. luxury real estate market, Marilyn Brennan delivers the results—and the discretion—you deserve.

What sets my approach apart is that my commitment doesn’t end at the transaction. I provide full lifestyle support, local market expertise, and trusted guidance that help you feel secure and confident in every decision. From connecting you with reliable mortgage professionals and inspectors to offering insights on neighborhoods, schools, and community amenities, I make sure you have all the resources needed to transition into your next chapter seamlessly.

772+

5-Star Reviews

Customer Voices

$1B

Closed Sales Volume

Discover Our Story

Top 5

Berkshire Hathaway
Team in the Nation

The Minds Behind

772+

5-Star Reviews

Customer Voices

$1B

Closed Sales Volume

Discover Our Story

Top 5

Berkshire Hathaway
Team in the Nation

3 beds 2/1 baths 402.67 Acres

$2,351,892

10890 Lake Windermere Dr,

Great Falls, VA

6 beds 8 baths 6,396 sqft

$2,100,000

15691 Hunton Ln

Haymarket, VA

6 beds 7 baths 5,496 sqft

$5,595,000

10560 Wilshire Blvd #1805

Los Angeles, CA

2 beds 3 baths 2, 874 sqft

$5,595,000

2718 Via Victoria

Palos Verdes Estates, CA

7 beds 6 baths 5, 434 sqft

$3,595,000

6337 Via Colinita

Rancho Palos Verdes, CA

5 beds 6 baths 5.467 sqft

let’s connect

your trusted real estate advisor

Buying or selling a home is more than a transaction — it’s a life-changing experience. That’s why I’m committed to providing personalized guidance, clear communication, and full support every step of the way.

Whether you’re ready to list your property, find your dream home, or just have questions about the market, I’m here to help. Reach out today — I’d love to hear your story and see how I can make your real estate goals a reality.

Hear from those who turned their dreams into reality with us.

Genuine Stories, Lasting Smiles!

"This note is to both introduce and recommend Marilyn Brennan with Long & Foster Realtors. I have worked for Marriott In… Read MoreRead Less

"Marriott International’s Relocation Team has been working with Marilyn Brennan with Long and Foster for more than 30 ye… Read MoreRead Less

"Marilyn, I received a complimentary letter from your client concerning the purchase of his home. He was quite impressed… Read MoreRead Less

"Marilyn Brennan of Long and Foster has been assisting my wife and I in finding a home in Northern Virginia for two and … Read MoreRead Less

"His execution was first-rate, seamless and timely. I definitely look forward to working with him again!"

"Kamran marketed our home in a most professional manner, resulting in quality offers and a timely sale."

"We just completed our 10th transaction with Kamran. He is an absolute experts at what he does and it shows."

"Amazing. Kamran made the entire process the easiest and most professional sale I have ever encountered."

"Kamran is professional, knowledgeable, meticulous and pays attention to detail. He made the entire process stress-free."

"Kamran isn't just a broker-he's a world-class salesman who creates outcomes where all parties feel great."