John D Cowan
Real Estate Agent (Broker)
Seattle WA

Broker (WA: 96273)

REALTOR® 11 Active Listings Serves King County, WA
View on Realtor.com

Contact Information

Brokerage
Windermere Seattle-Wedgewood
Office Address
8401 35th Ave Ne
Seattle, WA  98115-4818
(King County)
Office Phone
206-522-9600
Office Fax
206-527-3818
Mobile
206-522-9600
Email
jcowan@windermere.com
Website

Service Areas

Seattle: WA

King County, WA Real Estate Market Analysis (Single Family Homes)

$1,681,188
Avg. Listing Price
From John's portfolio
3.8 / 3.0
Avg. Beds/Baths
Typical property size
2,703 sf
Avg. Square Footage
Interior living space
5370
Active Listings
Current inventory

If you need to reach working real estate agents in King County, Washington, this list was built for you. Mortgage lenders, title companies, PropTech platforms, insurance providers, continuing education companies, and recruiters all rely on verified agent contact data to drive outreach campaigns that actually convert. Whether you're launching a new product, filling a pipeline, or growing a brokerage, the right contact list is the foundation of everything.

This King County agent list gives you direct access to {{AGENT_COUNT}} actively licensed real estate professionals with verified email addresses, plus {{CELL_COUNT}} agents who also have cell phone numbers on file. Use it for cold email sequences through platforms like Zap Contact (zapcontact.com) or other cold-email tools, for direct mail drops, for SMS outreach, or to fuel LinkedIn audience matching. No gatekeepers, no guessing — just verified contacts ready to work.

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

Our data is sourced directly from Washington State licensing board records, so every contact reflects an agent who holds an active license — not someone who let their credentials lapse three years ago. New emails are added weekly, the full list is cleaned monthly, and we perform a complete database refresh every six months. That discipline is why we can back every list with a 96% deliverability guarantee, something the cheap data vendors pushing outdated CSVs simply cannot offer.

We have been in this business since 2005 and have sold over 31,000 lists across the country. That track record matters when you are deciding who to trust with your marketing budget. When you buy King County real estate agent email list data from us, you are buying from a team that has refined its sourcing and verification process over two decades — not a reseller running stale imports through a generic database.

How to Use This King County Agent List

The most immediate use is cold email outreach. Load the list into a platform like Zap Contact (zapcontact.com), build a short sequence, and you are in front of hundreds of active agents within hours. For higher-touch campaigns, combine email with direct mail to the same contacts for a multichannel approach that dramatically increases response rates. If you have cell numbers, layering in SMS or ringless voicemail can push conversion even further.

Segmenting by broker versus sales agent is a smart move if your offer differs for team leaders versus individual producers. You can also filter by city or zip code within King County to tighten your targeting for local events, geographic promotions, or territory-based sales teams.

Why King County, Washington Agent Data Matters

King County is home to Seattle, Bellevue, Redmond, Kirkland, Renton, and dozens of other active real estate markets that together represent one of the most productive agent communities in the Pacific Northwest. With {{AGENT_COUNT}} licensed agents operating across this county, a targeted list here puts your message in front of a dense, high-activity professional audience. Sending a statewide blast means your offer gets diluted across rural markets that may have no relevance to your business — local targeting changes that entirely.

We are the only vendor that delivers King County agent data segmented down to the zip code level, giving you surgical precision no other source can match. Whether you need agents in a single neighborhood or every zip in the county, the data is ready to deploy exactly how your campaign requires it.

Current Property Listings

As of 6/15/2026, John Cowan has 11 properties for sale in Seattle and surrounding areas. These are the top 10 listings.

$649,950

Listed 2026-05-07

1457 22nd Ave Apt A
Seattle, WA  98122

Beds: 2.0
Baths: 2.0
Sq Ft: 1,097
Lot: 1,298 sf
View Full Details

$2,179,000

Listed 2026-05-08

11814 NE 103rd Pl
Kirkland, WA  98033

Beds: 4.0
Baths: 3.5
Sq Ft: 3,348
Lot: 5,127 sf
Condo Map
View Full Details

$1,135,250

Listed 2026-05-12

817 18th Ave W
Kirkland, WA  98033

Beds: 2.0
Baths: 2.5
Sq Ft: 1,300
Lot: 2,984 sf
Single Family Map
View Full Details

$1,329,000

Listed 2026-05-14

13131 NE 87th Ln
Kirkland, WA  98033

Beds: 3.0
Baths: 2.5
Sq Ft: 1,669
Lot: 3,023 sf
Single Family Map
View Full Details

$1,099,000

Listed 2026-05-28

11812 NE 103rd Pl
Kirkland, WA  98033

Beds: 2.0
Baths: 2.5
Sq Ft: 1,347
Lot: 1,128 sf
View Full Details

$1,099,950

Listed 2026-04-10

5718 14th Ave NW
Seattle, WA  98107

Beds: 4.0
Baths: 3.0
Sq Ft: 2,191
Lot: 754 sf
View Full Details

$1,320,000

Listed 2026-01-19

4421 2nd Ave NE
Seattle, WA  98105

Beds: 4.0
Baths: 3.5
Sq Ft: 2,118
Lot: 2,047 sf
View Full Details

$1,025,000

Listed 2026-05-21

104 NE 44th St
Seattle, WA  98105

Beds: 2.0
Baths: 2.5
Sq Ft: 1,306
Lot: 1,603 sf
Single Family Map
View Full Details

$899,950

Listed 2026-05-29

1615 N 50th St Unit C
Seattle, WA  98103

Beds: 3.0
Baths: 2.0
Sq Ft: 1,794
Lot: 1,163 sf
View Full Details

$1,989,000

Listed 2026-05-05

15014 SE 22nd St
Bellevue, WA  98007

Beds: 4.0
Baths: 3.5
Sq Ft: 2,597
Lot: 4,129 sf
Single Family Map
View Full Details

Current Property Rentals

As of 6/15/2026, John Cowan has the following rental properties available in Seattle and surrounding areas. These are the top 10 listings.

$6,000

Listed

13548 39th Ave NE
Seattle, WA  98125

Beds: 4.0
Baths: 3.0
Sq Ft: 2,759
Lot: 2,657 sf
Single Family Map
View Full Details