Thomas Castagnola

Thomas Castagnola
Real Estate Agent (Broker)
Washington DC

Broker (DC: BR98371280)

14 years experience

REALTOR® 1 Active Listings Serves District of Columbia County, DC
View on Realtor.com

Contact Information

Brokerage
Ttr Sotheby's International Realty

Office Website
Office Address
1515 14th St Nw
Washington, DC  20005
(District of Columbia County)
Office Phone
202-465-8550
Office Fax
202-667-3386
Mobile
202-234-3344
Email
thomas@thomascastagnola.com

Service Areas

Washington: DC Parcel Return Service: DC Chevy Chase: DC Douglas: GA Lodge: SC Old Bridge Township: NJ Keyport: NJ Cliffwood Beach: NJ Laurence Harbor: NJ Aberdeen: NJ Union Beach: NJ New York: NY Bronx: NY Chelmsford: MA Kates Corner: MA Town Of Chelmsford: MA South Chelmsford: MA Hanna: IN Piedmont: SC Golden Grove: SC Powdersville: SC Gantt: SC Alba: MI Delphi Falls: NY Pompey: NY Manlius: NY Pickstown: SD Jasper: IL Mount Erie: IL Carroll: VA Wythe: VA Fort Chiswell: VA Max Meadows: VA Foster Falls: VA Portland: NY Fredonia: NY Sheridan: NY Kendall: FL Fallsington: PA Tullytown: PA Levittown: PA Henderson: MI Independence: WI Arcadia: WI Easton: PA Centreville: VA Dulles: VA Sully Station: VA Clifton: VA Chantilly: VA Dranesville: VA Herndon: VA McNair: VA Floris: VA Oak Hill: VA Franklin Farm: VA Reston: VA Kings Park: VA Wakefield: VA Woodburn: VA Annandale: VA Burke: VA Kings Park West: VA Burke Centre: VA Merrifield: VA Dunn Loring: VA Oakton: VA Fairfax: VA Mantua: VA Long Branch: VA Fairfax Station: VA George Mason: VA Fair Lakes: VA Fair Oaks: VA Greenbriar: VA South Run: VA Crosspointe: VA Bailey's Crossroads: VA Seven Corners: VA Lincolnia: VA Lake Barcroft: VA Idylwood: VA Falls Church: VA West Falls Church: VA Mosby: VA McLean: VA Pimmit: VA Pimmit Hills: VA Woodlawn: VA Fort Belvoir: VA Lorton: VA Mount Vernon: VA West McLean: VA Great Falls: VA Lowes Island: VA Greenway: VA Woodbridge: VA Newington Forest: VA Mason Neck: VA Occoquan: VA Franconia: VA Newington: VA Laurel Hill: VA Tysons: VA Vienna: VA Engleside: VA Springfield: VA North Springfield: VA Ravensworth: VA West Springfield: VA Wolf Trap: VA Belle Haven: VA Huntington: VA Rose Hill: VA Alexandria: VA Jefferson Manor: VA Groveton: VA Hybla Valley: VA Community: VA Fort Hunt: VA Hayfield: VA Belleview: VA Kingstowne: VA Miami: FL

About Thomas Castagnola

Mr. Castagnola is a licensed Associate Broker operating across Washington D.C., Maryland, and Virginia. He holds several prestigious designations from the National Association of Realtors, including Certified Residential Specialist (CRS), Accredited Buyer’s Representative (ABR), Senior Residential Specialist (SRES), and Graduate of the Realtor Institute (GRI). His active involvement in the real estate community includes serving on the D.C. Public Policy Committee and previously chairing the Young Professional Network at the Greater Capital Area Association of Realtors.

Originally from Annapolis, Maryland, Mr. Castagnola grew up in the Washington Metropolitan area. He earned a Bachelor of Science in Ecology and Evolutionary Biology from the University of Arizona, which reflects his diverse interests, including a passion for art history that led him to Sotheby’s in Washington, D.C. Since 1995, he has witnessed the city’s evolution and currently resides in Logan Circle.

Mr. Castagnola specializes in representing both buyers and sellers throughout the region, with a particular focus on luxury real estate and relocation services. His expertise extends to historic properties and emerging neighborhoods, driven by his appreciation for the architectural diversity found in the area. Additionally, he has a keen interest in contemporary architecture and has collaborated with several prominent local developers on new construction projects.

Before transitioning to real estate, Mr. Castagnola excelled as a client-focused sales associate at Neiman Marcus and Saks Fifth Avenue, where he honed his skills in customer service and sales.

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

$1,744,714
Avg. Listing Price
From Thomas's portfolio
4.3 / 3.8
Avg. Beds/Baths
Typical property size
3,178 sf
Avg. Square Footage
Interior living space
468
Active Listings
Current inventory

If you need to reach working real estate agents in the nation's capital, this list puts you directly in front of the professionals who matter. Mortgage lenders, title companies, and PropTech platforms use this data to introduce services to agents who are actively closing deals. Recruiters, continuing education providers, insurance companies, and real estate software vendors all rely on accurate, targeted agent contact data to generate consistent pipeline without wasting budget on statewide blasts that miss the mark.

When you buy District Of Columbia County real estate agent email list data from Dr. Bill, you get {{AGENT_COUNT}} verified, actively licensed agents along with {{CELL_COUNT}} agents who have cell phone numbers included. That combination of email and mobile contact data makes this list one of the most actionable tools available for any business that sells to, recruits, or partners with real estate professionals in the DC market.

Why Buy a District Of Columbia County Real Estate Agent Email List From Dr Bill

Every record in this list is sourced directly from the District of Columbia state licensing board, meaning you are not getting recycled web scrapes or self-reported directories. The data is cleaned monthly, new emails are added weekly, and the entire database is completely refreshed bi-annually to remove agents who have let their licenses lapse. A 96% deliverability guarantee backs every purchase — something cheap, unverified alternatives simply cannot offer.

Dr. Bill has been in business since 2005 and has sold over 31,000 lists to clients who return because the data actually performs. Most vendors sell at the state level and call it targeted. This list is available at the state, county, city, and zip code level — and no other vendor offers zip code-level segmentation within District Of Columbia County specifically. That precision alone saves significant ad spend and improves response rates across every channel.

How to Use This District Of Columbia County Agent List

The most immediate use is cold email outreach through platforms built for high-volume prospecting. Zap Contact (zapcontact.com) is purpose-built for this type of campaign and integrates cleanly with this list format. Other cold-email platforms work equally well. Beyond email, the cell phone data supports direct dial campaigns and SMS outreach, while the full contact records enable LinkedIn matching for multi-touch sequences that dramatically improve conversion.

Segmenting by broker versus sales agent lets you tailor your message precisely. A recruiting firm pitching independent agents needs a different approach than a CE provider selling license renewal courses to managing brokers. This list supports both strategies without requiring additional data cleanup on your end.

Why District Of Columbia County, District of Columbia Agent Data Matters

District Of Columbia County encompasses Washington DC proper, including active real estate markets in neighborhoods like Capitol Hill, Georgetown, Dupont Circle, and Anacostia. This is a dense, competitive market where agents are constantly fielding new vendor relationships — and where being first with the right offer makes a measurable difference. With {{AGENT_COUNT}} licensed agents in the county, the audience is substantial enough to drive real volume for any B2B campaign.

Local targeting beats statewide blasts because relevance drives response. An agent working in DC's Ward 3 has different professional needs than one working in suburban Maryland. Reaching them with county or zip-level precision means your message lands in context, not lost in a mass email to thousands of agents who will never be your customers.

Current Property Listings

As of 6/21/2026, Thomas Castagnola has 1 property for sale in Washington and surrounding areas.

$799,000

Listed 2026-05-28

37 L St SE Apt 802
Washington, DC  20003

Beds: 2.0
Baths: 2.0
Sq Ft: 1,025
Condo Map
View Full Details

Current Property Rentals

Thomas Castagnola currently has no rental properties available in Washington and surrounding areas. Check back later.