Sean Thomas O'Neill

Sean Thomas O'Neill
Real Estate Agent (Associate Broker (AB)-Standard)
Huntingdon Valley PA

Associate Broker (AB)-Standard (PA: AB062743L)

REALTOR® 1 Active Listings Serves Montgomery County, PA
View on Realtor.com

Contact Information

Brokerage
Realty Mark Associates-Kop

Office Website
Office Address
2250 Terwood Dr
Huntingdon Valley, PA  19006
(Montgomery County)
Office Phone
215-376-4444
Office Fax
Mobile
215-376-4444
Email
rebrokertom@gmail.com

Service Areas

Chester Heights: PA Garnet Valley: PA Chatham: PA Toughkenamon: PA Avondale: PA Mendenhall: PA Chadds Ford: PA Glen Mills: PA Concordville: PA Westtown: PA Gradyville: PA Kennett Square: PA Pocopson: PA Unionville: PA Landenberg: PA Lewisville: PA Kemblesville: PA New London: PA Oxford: PA Thornton: PA West Goshen: PA West Bradford: PA West Chester: PA Cheyney University: PA Kelton: PA West Grove: PA Cochranville: PA

About Sean O'Neill

Tom O'Neill and Lynn Hinckley of Realty Mark Associates are seasoned real estate professionals located in Kennett Square, Pennsylvania. Since 1988, they have been dedicated to assisting clients in navigating the complexities of buying and selling properties. Tom, an Associate Broker and Hall of Fame Agent, brings extensive experience as a real estate investor and land developer, having successfully developed 14 townhouses in the Borough of Kennett Square. Lynn holds licenses in both Pennsylvania and Delaware and has earned several prestigious certifications, including Seniors Real Estate Specialist, Negotiation, Luxury Pricing, and Buyer’s Representation.

Together, Tom and Lynn collaborate on every transaction, ensuring that their clients' best interests are consistently prioritized. Their deep understanding of market dynamics, coupled with their negotiation skills and years of industry experience, positions them as an ideal choice for buyers and sellers aiming to achieve their real estate objectives.

In today's competitive real estate landscape, experience is crucial. Contact Tom and Lynn to discuss your real estate needs.

Montgomery County, PA Real Estate Market Analysis (Single Family Homes)

$802,795
Avg. Listing Price
From Sean's portfolio
3.9 / 3.1
Avg. Beds/Baths
Typical property size
2,875 sf
Avg. Square Footage
Interior living space
1476
Active Listings
Current inventory

If you need to reach working real estate agents in Montgomery County, Pennsylvania, this list was built for you. Mortgage lenders looking to grow referral pipelines, title companies prospecting for closing business, PropTech platforms seeking early adopters, insurance providers, continuing education companies, and recruiters all rely on targeted agent data to run campaigns that actually land in front of decision-makers. A generic statewide blast wastes budget; a county-level list puts your message in front of the right professionals in the right market.

This Montgomery County real estate agent email list includes {{AGENT_COUNT}} actively licensed agents with verified email addresses, plus {{CELL_COUNT}} agents with confirmed cell phone numbers for SMS or direct outreach. Whether you are running a cold email sequence, a phone campaign, or a direct mail drop, this data gives you a clean, ready-to-use contact file without the hours of manual research that kills productivity and delays campaigns.

Why Buy a Montgomery County Real Estate Agent Email List From Dr Bill

Every record in this list is sourced directly from the Pennsylvania state real estate licensing board, which means you are starting with agents who are confirmed active and legally permitted to practice. New emails are added weekly, the full list is cleaned monthly, and the entire database is refreshed bi-annually so stale contacts do not erode your deliverability. Dr Bill backs that with a 96% deliverability guarantee — a commitment you will not find from discount list brokers scraping outdated directories and reselling the same junk data for years.

Since 2005, Dr Bill has sold over 31,000 lists to businesses that depend on accurate professional contact data. That track record is not accidental. Cheap alternatives might look appealing on price until your cold-email platform flags your domain for bounces and your sender reputation tanks. Using a verified, maintained list with Zap Contact (zapcontact.com) or a similar cold-email platform means your campaigns start with a deliverability advantage that cheap data simply cannot match.

How to Use This Montgomery County Agent List

The most immediate use is email outreach through a cold-email platform like Zap Contact, where you can sequence, personalize, and automate follow-ups at scale. The same file works for direct mail campaigns, ringless voicemail drops, or SMS outreach using the included cell numbers. Many buyers also upload the list to LinkedIn for matched-audience advertising, reaching agents across multiple touchpoints in a single coordinated campaign.

For sharper targeting, the data can be segmented by broker versus sales agent designation, letting you tailor your message to principals who control referral decisions versus individual producers. No other vendor provides this list broken down to the zip code level within Montgomery County, giving you granular control that statewide or metro-area lists cannot offer.

Why Montgomery County, Pennsylvania Agent Data Matters

Montgomery County is one of the most active real estate markets in the Philadelphia metro area, covering busy communities like King of Prussia, Norristown, Lansdale, Horsham, Blue Bell, and Collegeville. When you buy Montgomery County real estate agent email list data at this level of specificity, you are targeting professionals who are actively closing deals in zip codes that matter to your business, not padding your outreach with agents from unrelated markets across Pennsylvania.

With {{AGENT_COUNT}} verified agents operating across the county, there is a substantial and reachable professional audience here. A hyper-local approach consistently outperforms statewide blasts because your offer speaks directly to the market the agent works in every day. That relevance drives open rates, responses, and ultimately conversions — which is exactly what targeted list buying is supposed to deliver.

Current Property Listings

As of 6/27/2026, Sean O'Neill has 1 property for sale in Huntingdon Valley and surrounding areas.

$749,900

Listed 2026-06-15

1368 Brinton Run Rd
West Chester, PA  19382

Beds: 4.0
Baths: 2.5
Sq Ft: 2,771
Lot: 91,476 sf
Single Family Map
View Full Details

Current Property Rentals

Sean O'Neill currently has no rental properties available in Huntingdon Valley and surrounding areas. Check back later.