4102 Hamilton St, Hyattsville, MD For Sale $1,189,000 - listed by Marc Cowan — For Sale $1,189,000

Marc Cowan listing agent for 1809 Jarvis Ave, Oxon Hill, MD - sold for $449,000 — Sold $449,000

8609 Terrace Garden Way, Bethesda, MD Pending $1,275,000 - listed by Marc Cowan — Pending $1,275,000

Marc Cowan buyer's agent for 4324 Rosedale Ave, Bethesda, MD - sold for $1,763,000 — Sold $1,763,000

8806 Nancy Ln, Fort Washington, MD Pending $729,000 - listed by Marc Cowan — Pending $729,000

Marc Cowan

Washington DC

Compass

43 Closed Sales

$33.7M Total Value

$430K - $2.1M Price Range

$784.4K Average Price

Prior 5 years

About Marc

Marc transitioned to the real estate industry following a distinguished career in the military and intelligence community. His previous roles required diplomacy, tenacity, and highly developed negotiation skills, communicating with diverse multi-national organizations.

Today, as a real estate professional, he applies these talents to a broad spectrum of discerning clients. This background also drives his strategic approach that continuously achieves exceptional results for his clients.

Marc enjoys a stellar reputation for his integrity, diligence and for providing outstanding personal service, complemented by a contagious enthusiasm. As a trusted partner and a formidable advocate for his clients, he negotiates the most advantageous sale price and terms.

Marc’s core values of professionalism and genuine concern for the best interests of his clients, motivate him to work tirelessly to exceed their expectations. He aspires to build lifelong relationships.

Home Types: House, Townhouse, Condo

Years of Experience: 10

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	8
Total Value	$5,408,000
Average Sale Price	$676,000
Price Range	$340K - $1.4M

Buyer Deals
Total Deals	3
Total Value	$2,768,000
Average Sale Price	$922,667
Price Range	$480K - $1.8M

1 Year View by Quarter

Seller Deals
Total Deals	9
Total Value	$6,133,107
Average Sale Price	$681,456
Price Range	$340K - $1.4M

Buyer Deals
Total Deals	4
Total Value	$3,467,900
Average Sale Price	$866,975
Price Range	$480K - $1.8M

Seller Deals
Total Deals	29
Total Value	$19,841,102
Average Sale Price	$684,176
Price Range	$340K - $1.4M

Buyer Deals
Total Deals	14
Total Value	$13,888,900
Average Sale Price	$992,064
Price Range	$480K - $2.1M

5 Year View

Neighborhoods Marc is Experienced In

Marc's Active Listings

$1,189,000
- 5 Beds
- 4 Baths
- 2,160 Sq Ft
4102 Hamilton St

Hyattsville, MD
Welcome to this exceptional 5-bedroom, 4-bathroom Craftsman-style luxury home in thehighly desirable Hyattsville Hills community. Built just six years ago by the renownedWerrlein Properties, this stunning residence has been thoughtfully elevated by its currentowners with premium upgrades, sophisticated finishes, and an unrivaled attention to detail.From the moment you enter,

Marc Cowan Compass

$1,185,000
- 5 Beds
- 4.5 Baths
- 2,655 Sq Ft
219 Rittenhouse St NW

Washington, DC
$90,000 Price Adjustment — Timeless Elegance, Exceptional New ValueThoughtfully repositioned to align with today's market, this distinguished residence now presents an even more compelling opportunity. From its gracious living spaces and refined architectural details to its warmth, charm, and effortless livability, this home balances classic elegance with modern comfort in a way that is both

Marc Cowan Compass

$1,275,000
- 4 Beds
- 5 Baths
- 3,070 Sq Ft
8609 Terrace Garden Way

Bethesda, MD
Welcome to 8609 Terrace Garden Way, a thoughtfully updated four-level townhome in Bethesda's sought-after Glenbrook Village community. Offering 4 bedrooms, 3 full baths, 2 half baths, and a two-car garage, this residence combines generous living spaces with the convenience of an exceptional location.Natural light fills the interior, highlighting beautifully refurbished hardwood floors, fresh

Marc Cowan Compass

$729,000
- 7 Beds
- 3.5 Baths
- 3,340 Sq Ft
8806 Nancy Ln

Fort Washington, MD
Welcome to 8806 Nancy Lane — an exceptional **7-bedroom, 3.5-bath residence** perfectly positioned in one of Fort Washington’s most desirable neighborhoods. Combining timeless elegance with modern comfort, this impressive home offers expansive living spaces, sophisticated finishes, and the ideal setting for both everyday living and upscale entertaining.From the moment you enter, you are

Marc Cowan Compass

Recently Sold

$449,000

Sold Jul 15, 2026
- 5 Beds
- 3 Baths
- 2,270 Sq Ft
1809 Jarvis Ave

Oxon Hill, MD
- 5% Below List
- $198/SF
- 33 Days On Market
- Current Est. Value $464K
Marc Cowan Compass

$1,375,000

Sold Apr 21, 2026
- 6 Beds
- 4 Baths
- 6,418 Sq Ft
10602 Cannonview Ct

Fort Washington, MD
- 2% Above List
- $214/SF
- 4 Days On Market
- Current Est. Value $1M
Marc Cowan Compass

$340,000

Sold Apr 10, 2026
- 1 Bed
- 1 Bath
- 957 Sq Ft
4301 Massachusetts Ave NW

Unit 8007

Washington, DC
- 3% Above List
- $355/SF
- 2 Days On Market
- Current Est. Value $333K
Marc Cowan Compass

$680,000

Sold Mar 31, 2026
- 4 Beds
- 3 Baths
- 1,620 Sq Ft
12205 Firth of Tae Dr

Fort Washington, MD
- 6% Above List
- $420/SF
- 6 Days On Market
- Current Est. Value $666K
Marc Cowan Compass

$765,000

Sold Jan 9, 2026
- 4 Beds
- 3.5 Baths
- 4,745 Sq Ft
10801 Blackpowder Ct

Fort Washington, MD
- $161/SF
- 38 Days On Market
- Current Est. Value $770K
Marc Cowan Compass

$575,000

Sold Dec 2, 2025
- 3 Beds
- 3 Baths
- 2,401 Sq Ft
969 Holden Rd

Frederick, MD
- $239/SF
- 1 Day On Market
- Current Est. Value $599K
Marc Cowan Compass

$449,000

Sold Aug 22, 2025
- 3 Beds
- 3.5 Baths
- 2,544 Sq Ft
4114 Hatley Place

White Plains, MD
- $176/SF
- 81 Days On Market
- Current Est. Value $461K
Marc Cowan Compass

$725,107

Sold May 21, 2025
- 4 Beds
- 3.5 Baths
- 2,409 Sq Ft
10604 Cannonview Ct

Fort Washington, MD
- $301/SF
- 5 Days On Market
- Current Est. Value $730K
Marc Cowan Compass

$745,000

Sold Jun 10, 2024
- 5 Beds
- 4 Baths
- 3,044 Sq Ft
301 Battersea Ln

Fort Washington, MD
- $245/SF
- 4 Days On Market
- Current Est. Value $750K
Marc Cowan Compass

Awards and Designations

NAR - National Association of Realtors

Agent License: Virginia 02252225930

Marc Cowan

(202) 931-7047

Homes for Sale by City

Marc Cowan

About Marc

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Marc is Experienced In

Marc's Listings and Deals

Marc's Active Listings

Recently Sold

Awards and Designations