For Rent $8,500/month • Co-Listing Agent

For Rent $1,900/month • Co-Listing Agent

Keith Hartke

Reston VA

National Realty, LLC

18 Closed Sales

$10.9M Total Value

$354K - $1.1M Price Range

$606.1K Average Price

Prior 5 years

About Keith

Keith and his brother Paul Hartke are the Brokers and Owners of National Realty.

At the start of his long, successful career, Keith was named Commercial Director in the early 80's.Named official Builder for Reston Land Corp in 1985.1985 Keith and his Attorney brother, created and ran two Century 21 offices with 200 agents. 1995: Keith was speaker at Century 21 convention. 2000,:Coldwell Banker bought his two Century 21 offices and named Keith Vice President / Broker of Coldwell Banker & his brother Paul was named Webmaster for Coldwell Banker.

In 2003, Keith and his brother created an independent Real Estate company and named it National Realty. Today, National Realty has 150 agents and licensed in DC MD and VA. The commercial team consists of 10 top Realtors. Keith and his wife Kimberly of 23 years live in Reston VA.

Home Types: House, Condo, Townhouse, Lot/Land

Years of Experience: 31

Education: St. Andrews University

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$7,297,889

Average Sale Price

$608,157

Price Range

$14K - $1M

Buyer Deals

Total Deals

Total Value

$3,611,500

Average Sale Price

$601,917

Price Range

$175K - $1.1M

Neighborhoods Keith is Experienced In

Keith's Active Listings

Co-Listing Agent

$8,500 per month
- 3 Beds
- 3 Baths
- 2,773 Sq Ft
11286 Spyglass Cove Ln

Reston, VA
Available to move in August 1. This fully furnished residence offers a highly functional layout well-suited for executive sharing, corporate rentals, or professional households. Utilities other than internet are included. * Fully furnished custom-built contemporary is perfect for entertaining * Features a magnificent 64-foot, 2-story main hall * Cathedral Great Room with large wooden cross beams,

Keith Hartke National Realty, LLC

Co-Listing Agent

$1,900 per month
- 1 Bed
- 1 Bath
- 684 Sq Ft
11760 Sunrise Valley Dr

Unit 912

Reston, VA
Not available until September 1 for move-in. This one-bedroom, one-bath condo lets you unwind on your private balcony and take in stunning sunset views — the perfect end to your day. The Mercer offers access to an outdoor pool, fitness center, clubroom, conference center, and front desk service. You will also have full Reston Association membership, which includes 55 miles of trails, four lakes,

Keith Hartke National Realty, LLC

Recently Sold

$653,000 Sold Jan 13, 2026
- 3 Beds
- 2 Baths
- 1,679 Sq Ft
1525 Hiddenbrook Dr

Herndon, VA
- 1% Below List
- $389/SF
- 18 Days On Market
- Current Est. Value $667K
Keith Hartke National Realty, LLC

$794,000 Sold Jul 10, 2023
- 5 Beds
- 2.5 Baths
- 2,270 Sq Ft
4639 Denpat Ct

Annandale, VA
- 1% Above List
- $350/SF
- 1 Day On Market
- Current Est. Value $930K
Keith Hartke National Realty, LLC

$299,990 Sold Feb 3, 2023
- 1 Bed
- 1 Bath
- 750 Sq Ft
3496 Martha Custis Dr

Alexandria, VA
- $400/SF
- 17 Days On Market
- Current Est. Value $341K
Keith Hartke National Realty, LLC

$900,000 Sold May 6, 2022
- 3 Beds
- 3.5 Baths
- 2,357 Sq Ft
12154 Tryton Way

Reston, VA
- 3% Below List
- $382/SF
- 38 Days On Market
- Current Est. Value $1M
Keith Hartke National Realty, LLC

$419,900 Sold Oct 4, 2021
- 3 Beds
- 2 Baths
- 2,240 Sq Ft
2365 Hunters Square Ct

Reston, VA
- 3% Below List
- $187/SF
- 8 Days On Market
- Current Est. Value $542K
Keith Hartke National Realty, LLC

$14,000 Sold Aug 27, 2021
- Land
- 1.03 Acre Lot
0 Trent Trail Ct

Front Royal, VA
- 349 Days On Market
Keith Hartke National Realty, LLC

Awards and Designations

Top 5 Century 21 Broker Offices
NAR - National Association of Realtors

Agent License: Virginia 0225055737

Keith Hartke

(571) 520-4306

Homes for Sale by City

Keith Hartke

About Keith

Transaction History

Seller Deals

Seller Deals

Seller Deals

Buyer Deals

Neighborhoods Keith is Experienced In

Keith's Listings and Deals

Keith's Active Listings

Recently Sold

Awards and Designations