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William Fastow

William Fastow
Real Estate Agent
Washington DC

(DC: )

23 years experience

REALTOR® 3 Active Listings Serves District Of Columbia County, DC
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Contact Information

Brokerage
Ttr Sotheby's International Realty

Office Website
Office Address
5101 Wisconsin Ave Nw Ste 100
Washington, DC  20016
(District Of Columbia County)
Office Phone
301-967-3344
Office Fax
Mobile
301-967-3344
Email
wfas***@******.com
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Service Areas

Washington: DC North Bethesda: MD Bethesda: MD Westlake: MD Cabin John: MD Potomac: MD West Bethesda: MD Chevy Chase CDP: MD South Kensington: MD Chevy Chase: DC Brentwood: MD North Brentwood: MD Cottage City: MD Colmar Manor: MD Parcel Return Service: DC Chevy Chase Village: MD Friendship Heights Village: MD Chevy Chase Town: MD Martin's Additions: MD Somerset: MD Chevy Chase Section Five: MD Chevy Chase Section Three: MD North Chevy Chase: MD Silver Spring: MD Brookmont: MD Greenway: VA McLean: VA West McLean: VA Great Falls: VA Tysons: VA Wheaton: MD North Kensington: MD Chevy Chase View: MD Kensington: MD Rockville: MD Aspen Hill: MD Olney: MD Travilah: MD North Potomac: MD Gaithersburg: MD Southern Md Facility: MD Montgomery Village: MD Washington Grove: MD Redland: MD Kemp Mill: MD White Oak: MD Four Corners: MD Forest Glen: MD Glenmont: MD Takoma Park: MD Chillum: MD Langley Park: MD Arlington: VA Alexandria: VA Lincolnia: VA Bailey's Crossroads: VA Potomac: VA Belle Haven: VA Huntington: VA Rose Hill: VA Jefferson Manor: VA Annandale: VA Idylwood: VA Merrifield: VA Falls Church: VA West Falls Church: VA Mosby: VA Rosslyn: VA Fort Myer: VA Washington Navy Yard: DC Crownsville: MD Annapolis: MD Annapolis Neck: MD Naval Academy: MD Parole: MD North Severn Village: MD Highland Beach: MD Mayo: MD Edgewater: MD Riva: MD Hillandale: MD Adelphi: MD

About William Fastow

One of the DC area's foremost boutique brokers William Fastow is the founder of the Appleton Properties Group which merged with TTR Sotheby's International Realty in 2018 William is known for his drive his passion for real estate and an uncompromising commitment to customer service He has represented buyers sellers and developers across some of the East Coast's hottest real estate markets including Boston Massachusetts and Washington DC since 2001 William holds an M A in Marketing Communications from Emerson College with specializations in Crisis Communication Advertising and Integrated Marketing/Business Communications He has a B A from James Madison University in English Literature and studied Architecture through the University College of London In 2003 William founded the boutique brokerage Appleton Properties which focused on the representation of buyers sellers and developers interested in the acquisition and sale of architecturally relevant and historic properties in the urban markets of Boston Massachusetts and Washington DC A native Washingtonian and current resident of the Spring Valley neighborhood William's knowledge of the region stems from his personal as well as his professional experiences Being from Washington is a special distinction and makes William more than familiar with the history of the different communities and neighborhoods that make up DC and the surrounding metropolitan area He has worked with buyers sellers investors and developers across the city of Washington as well as Montgomery County Annapolis Maryland and as far as the Eastern Shore William also maintains contacts and business interests in Boston Massachusetts which makes him an ideal resource for clients relocating in and out of the New England area When not representing TTR Sotheby's International Realty working with clients or serving as a consultant for real estate development projects William can be found sailing aboard his 40 foot Robert Perry designed sloop "Artax" out of Annapolis Maryland William is an accomplished lifelong competitive sailor and yachtsman who has logged thousands of coastal and ocean miles aboard numerous racing and cruising yachts including multiple entries into the prestigious Annapolis to Bermuda race New York Yacht Club Race Week and multiple one design national events Additionally William stays involved in his community volunteering his time and expertise as a board member and facilities chair for Byte Back a nonprofit organization that provides free technology training to low-income DC residents as well as being active with the Jewish Federation of Greater Washington where he co-chairs their interfaith council which is tasked with creating warm and inviting community outreach opportunities for interfaith families in the greater Washington DC area

District Of Columbia County, DC Real Estate Market Analysis (Single Family Homes)

$1,487,229
Avg. Listing Price
From William's portfolio
4.2 / 3.6
Avg. Beds/Baths
Typical property size
2,958 sf
Avg. Square Footage
Interior living space
498
Active Listings
Current inventory

The District of Columbia's real estate market operates as one of the most unique and politically-influenced property landscapes in the United States. Unlike traditional county structures, the District functions as both a city and federal territory, creating a concentrated urban market where federal employment, international diplomacy, and local commerce converge to drive exceptional property values and rental demand. This singular geographic entity encompasses iconic neighborhoods from Capitol Hill to Georgetown, each commanding premium prices due to proximity to federal power centers.

With 5,102 total actively licensed agents serving this compact but high-value market, the District maintains one of the highest agent-to-square-mile ratios in the nation. Remarkably, all 5,102 agents maintain current email contact information, reflecting the tech-savvy, professional nature of the local real estate industry. This comprehensive digital connectivity enables rapid communication in a market where properties often receive multiple offers within hours of listing, particularly in sought-after areas like Dupont Circle, Adams Morgan, and the rapidly gentrifying neighborhoods east of the Anacostia River.

Major District Of Columbia County, District of Columbia Real Estate Markets

The District's real estate activity centers around distinct neighborhood clusters, each with unique character and price points. Northwest DC dominates luxury sales with Georgetown's historic charm, Kalorama's embassy row elegance, and Cleveland Park's family-friendly appeal. Meanwhile, emerging markets in Northeast neighborhoods like Brookland and Trinidad offer compelling opportunities for both first-time buyers and investors, as the city's development spreads outward from traditional power corridors along Connecticut Avenue and Wisconsin Avenue.

Capitol Hill and Southwest Waterfront represent the fastest-growing segments, fueled by proximity to federal offices and new mixed-use developments like The Wharf. These areas showcase the District's evolution from a government town to a diverse economic hub attracting tech companies, international organizations, and young professionals. The Navy Yard area exemplifies this transformation, with former industrial sites now hosting luxury condominiums and corporate headquarters, creating micro-markets with distinct pricing dynamics within walking distance of each other.

Market Dynamics and Geographic Complexity

DC's real estate market operates with surprising seasonal intensity, driven by the federal government's hiring cycles and congressional schedules. Spring and summer months see heightened activity as new administration appointees, congressional staff, and federal contractors relocate to the area. This creates predictable demand spikes that savvy agents leverage, while international buyers often focus on pied-à-terre purchases in prestigious neighborhoods regardless of traditional selling seasons.

The compact geography intensifies competition while creating dramatic price variations within short distances. Properties can command vastly different values based on proximity to Metro stations, federal buildings, or prestigious schools like Sidwell Friends. Historic preservation restrictions in many neighborhoods limit inventory while maintaining property values, creating a perpetual seller's market in established areas while spurring creative development in emerging corridors along H Street NE and Georgia Avenue NW.

Why Businesses Need District Of Columbia County, District of Columbia Agent Contact Data

Financial services companies, mortgage lenders, and insurance providers require comprehensive agent contact data to penetrate this high-value, relationship-driven market where average home prices exceed national medians significantly. The District's agent network serves clients ranging from first-time buyers using federal assistance programs to international investors purchasing multi-million-dollar diplomatic residences. Having direct email access to all 5,102 licensed agents enables businesses to segment outreach by specialization, whether targeting luxury specialists in Georgetown or first-time buyer advocates in emerging neighborhoods.

Real estate technology companies, home service providers, and investment firms particularly benefit from this complete contact database because DC agents handle unusually complex transactions involving security clearances, diplomatic immunity considerations, and federal ethics requirements. These professionals require specialized services and often influence similar needs among their extensive networks of federal employees, contractors, and international clients who relocate frequently and maintain properties in multiple jurisdictions.

Current Property Listings

As of 2/17/2026, William Fastow has 3 properties for sale in Washington and surrounding areas.

$6,895,000

Listed 2025-06-25

5042 Overlook Rd NW
Washington, DC  20016

Beds: 6.0
Baths: 7.5
Sq Ft: 9,485
Lot: 13,068 sf
Single Family Map
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$2,299,000

Listed 2026-02-05

4944 Quebec St NW
Washington, DC  20016

Beds: 4.0
Baths: 3.5
Sq Ft: 3,215
Lot: 7,405 sf
Single Family Map
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$2,150,000

Listed 2025-09-17

9416 Wing Foot Ct
Potomac, MD  20854

Beds: 6.0
Baths: 4.5
Sq Ft: 6,274
Lot: 16,117 sf
Single Family Map
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Current Property Rentals

As of 2/17/2026, William Fastow has the following rental properties available in Washington and surrounding areas.

$5,500

Listed 2026-02-11

5149 Macarthur Blvd NW
Washington, DC  20016

Beds: 2.0
Baths: 2.5
Sq Ft: 1,520
Lot: 2,614 sf
Townhomes Map
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