John K Platten

John K Platten
Real Estate Agent
O Fallon MO

(MO: 2008032289 )

REALTOR® 2 Active Listings Serves Saint Charles County, MO
View on Realtor.com

Contact Information

Brokerage
Keller Williams Realty West

Office Website
Office Address
111 Ungerboeck Park
O Fallon, MO  63368
(Saint Charles County)
Office Phone
636-229-8500
Office Fax
Mobile
314-952-0884
Email
platten@kw.com

Service Areas

Hazelwood: MO St. Charles: MO St. Peters: MO Harvester: MO Dardenne: MO Weldon Spring Heights: MO Weldon Spring: MO O'Fallon: MO Cottleville: MO Defiance: MO New Melle: MO Foristell: MO Wentzville: MO St. Paul: MO Josephville: MO Lake St. Louis: MO Flint Hill: MO West Alton: MO

About John Platten

Dedicated to making a meaningful difference in the lives of her clients, this real estate professional finds immense fulfillment in guiding individuals through one of life’s most significant milestones: homeownership. Whether assisting first-time buyers or seasoned sellers, she recognizes that each transaction holds profound importance for her clients. Her enthusiasm for the process is evident, and it resonates with those she serves, as evidenced by the high volume of referrals she receives. Understanding that her success is intrinsically linked to the achievements of her clients, she is committed to being a steadfast advocate throughout their real estate journey.

Saint Charles County, MO Real Estate Market Analysis (Single Family Homes)

$501,609
Avg. Listing Price
From John's portfolio
3.5 / 2.9
Avg. Beds/Baths
Typical property size
2,505 sf
Avg. Square Footage
Interior living space
1555
Active Listings
Current inventory

If you need to reach working real estate agents in Saint Charles County, Missouri, this list was built for you. Mortgage lenders looking to grow referral pipelines, title companies prospecting for new business, PropTech platforms launching in the market, insurance providers targeting agents, CE course providers, and recruiters hiring licensed talent all rely on verified agent contact data to drive their outreach. A Saint Charles County real estate agent email list gives you direct access to the professionals making deals happen in one of Missouri's fastest-growing counties.

This list contains {{AGENT_COUNT}} actively licensed real estate agents with verified email addresses, including {{CELL_COUNT}} agents with cell phone numbers on file. Whether you are running an email campaign, a phone outreach sequence, or building a custom audience, this data gives you a targeted starting point that generic business databases simply cannot match.

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

Every record in this database is sourced directly from the Missouri state real estate licensing board, so you are working with agents who are confirmed active and licensed, not outdated scraped data. New emails are added weekly, the full list is cleaned monthly to remove bounces and bad addresses, and the entire database is completely refreshed bi-annually to maintain accuracy. That discipline backs a 96% deliverability guarantee that cheap list vendors simply cannot offer.

Dr Bill has been in the list business since 2005 and has sold over 31,000 lists to clients across every industry that works with real estate professionals. When you buy Saint Charles County real estate agent email list data here, you are not getting a recycled national file. You are getting county-specific, verified contacts ready to load into any cold email platform including Zap Contact at zapcontact.com, which is purpose-built for exactly this kind of professional outreach.

How to Use This Saint Charles County Agent List

The most immediate use is email outreach through a cold-email platform like Zap Contact, where you can sequence messages, track opens, and follow up automatically. The included phone numbers support direct call campaigns or SMS sequences for higher-touch prospecting. You can also upload the list to LinkedIn for matched audience targeting, layering social impressions on top of your email and phone efforts to increase brand familiarity before a rep ever makes contact.

The list can be segmented by broker versus individual sales agent, letting you tailor messaging by role and decision-making authority. No other vendor offers this data filtered down to the zip code level within Saint Charles County, giving you precision that a statewide Missouri list cannot provide.

Why Saint Charles County, Missouri Agent Data Matters

Saint Charles County is home to active real estate markets in O'Fallon, Saint Peters, Wentzville, Lake Saint Louis, and Saint Charles city itself. These communities span distinct zip codes with their own agent populations, and the ability to target by zip code means you can focus budget on the specific pockets where your offer is most relevant rather than wasting spend across agents who work outside your service area.

With {{AGENT_COUNT}} licensed agents operating across the county, Saint Charles represents a meaningful standalone market worth targeting directly. A county-level list outperforms a statewide Missouri blast because every contact you reach actually works in the geography your business serves, which means higher relevance, better response rates, and a stronger return on your outreach investment.

Current Property Listings

As of 6/21/2026, John Platten has 2 properties for sale in O Fallon and surrounding areas.

$300,000

Listed 2026-05-08

32 Oak Knoll Dr
Saint Peters, MO  63376

Beds: 3.0
Baths: 1.5
Sq Ft: 1,388
Lot: 6,599 sf
Single Family Map
View Full Details

$450,000

Listed 2025-06-17

235 Quindaro Dr
Florissant, MO  63034

Beds: 5.0
Baths: 4.0
Sq Ft: 4,014
Lot: 259,182 sf
Single Family Map
View Full Details

Current Property Rentals

John Platten currently has no rental properties available in O Fallon and surrounding areas. Check back later.