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Shelley D. Koster

Shelley D. Koster
Real Estate Agent (Managing Broker)
Bartlesville OK

Managing Broker (OK: 142052)

24 years experience

REALTOR® 17 Active Listings Serves Washington County, OK
View on Realtor.com

Contact Information

Brokerage
Keller Williams Realty Bartlesville

Office Website
Office Address
1740 Se Washington Blvd
Bartlesville, OK  74006
(Washington County)
Office Phone
918-766-0001
Office Fax
918-766-0009
Mobile
918-914-3444
Email
skos***@**.com
Show Email for $5

Service Areas

Bartlesville: OK Dewey: OK Copan: OK Nowata: OK Pawhuska: OK Bowring: OK Wynona: OK Monkey Island: OK Afton: OK Bernice: OK Ketchum: OK Copeland: OK Cleora: OK Grnd Lke Town: OK Langley: OK

About Shelley Koster

A lifelong resident of Bartlesville, Oklahoma, this real estate professional has been active in the industry since 2002. In 2008, driven by a deep commitment to the field, they established Keller Williams Realty Bartlesville, subsequently expanding operations to include offices in Grand Lake and Ponca City. With a wealth of experience from hundreds of successful transactions, they are adept at crafting customized solutions that address the unique needs of each client. Their comprehensive expertise in financing, the closing process, and marketing allows them to deliver exceptional customer service, ensuring that the home buying and selling experience is both seamless and enjoyable.

Washington County, OK Real Estate Market Analysis (Single Family Homes)

$242,368
Avg. Listing Price
From Shelley's portfolio
3.3 / 2.2
Avg. Beds/Baths
Typical property size
2,003 sf
Avg. Square Footage
Interior living space
273
Active Listings
Current inventory

Washington County, Oklahoma represents a fascinating blend of rural charm and economic opportunity, with its real estate market reflecting the broader transformation happening across northeastern Oklahoma. Home to approximately 52,000 residents, this county anchored by Bartlesville has experienced steady growth driven by energy sector professionals, retirees seeking affordable living, and families drawn to excellent schools and small-town values.

The local real estate landscape is supported by 120 actively licensed agents, all of whom maintain email contact information, creating an unusually connected professional network for a county of this size. This high level of digital connectivity reflects the tech-savvy approach many agents have adopted to serve clients across the county's diverse geographic areas, from lakefront properties to historic downtown districts.

Major Washington County, Oklahoma Real Estate Markets

Bartlesville dominates the county's real estate activity, accounting for roughly 60% of all transactions. The city's historic downtown revitalization has sparked renewed interest in urban living, while established neighborhoods like Hillcrest and Oak Park continue attracting families with their tree-lined streets and proximity to quality schools. Dewey, the county's second-largest city, offers more affordable housing options and has become increasingly popular with first-time homebuyers and young professionals commuting to Tulsa.

Rural areas surrounding Copan Lake and the smaller communities of Ramona, Ochelata, and Vera present unique opportunities for those seeking recreational properties or larger acreages. These markets often fly under the radar but have shown surprising resilience, with lake properties particularly benefiting from increased demand for weekend retreats and remote work-friendly locations following recent economic shifts.

Market Dynamics and Geographic Complexity

Washington County's real estate market exhibits interesting seasonal patterns, with lake properties experiencing peak activity from March through August, while traditional residential sales remain steady year-round. The county's proximity to Tulsa creates a commuter market that influences pricing in the southern portions, where buyers often discover they can purchase significantly more home for their money while maintaining reasonable access to metropolitan amenities.

Agricultural land transactions add another layer of complexity, as working ranches and farmland sales require specialized knowledge that many of the county's experienced agents have developed over decades of practice. The interplay between residential development pressure and agricultural preservation creates ongoing opportunities for agents skilled in land use planning and rural property valuation.

Why Businesses Need Washington County, Oklahoma Agent Contact Data

Mortgage lenders, home inspectors, and title companies benefit enormously from maintaining relationships with Washington County's tight-knit agent community, where referral networks often determine business success. Having direct email access to all 120 licensed agents enables service providers to share updates about new programs, regulatory changes, or market opportunities without relying on outdated contact methods or incomplete databases.

Real estate technology companies and continuing education providers find Washington County agents surprisingly receptive to innovation, making this market ideal for pilot programs and product launches. The county's manageable size allows for meaningful relationship building, while the agents' universal email accessibility ensures marketing messages and educational content reach their intended audience efficiently and cost-effectively.

Current Property Listings

As of 2/17/2026, Shelley Koster has 17 properties for sale in Bartlesville and surrounding areas. These are the top 10 listings.

$25,000

Listed 2025-04-09

Blue Grouse Ln
Afton, OK  74331

Beds:
Baths:
Sq Ft:
Lot: 30,492 sf
Land Map
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$759,000

Listed 2025-08-28

33872 S Coves Dr
Afton, OK  74331

Beds: 3.0
Baths: 2.0
Sq Ft: 2,486
Lot: 13,504 sf
Single Family Map
View Full Details

$699,900

Listed 2025-11-11

449700 E 355 Rd
Ketchum, OK  74349

Beds: 3.0
Baths: 2.5
Sq Ft: 1,652
Lot: 8,276 sf
Single Family Map
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$429,900

Listed 2025-09-29

33157 Cardinal Dr
Afton, OK  74331

Beds: 3.0
Baths: 2.5
Sq Ft: 2,590
Lot: 22,651 sf
Single Family Map
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$799,900

Listed 2025-10-31

33024 Mockingbird Ln
Afton, OK  74331

Beds: 3.0
Baths: 3.0
Sq Ft: 2,392
Lot: 13,504 sf
Single Family Map
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$475,000

Listed 2025-10-28

31986 Legend Pl
Afton, OK  74331

Beds: 3.0
Baths: 3.0
Sq Ft: 1,965
Lot: 10,454 sf
Single Family Map
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$499,900

Listed 2026-02-06

33601 Dogwood Clf Apt 9
Afton, OK  74331

Beds: 4.0
Baths: 3.0
Sq Ft: 1,925
Lot: 2,614 sf
Single Family Map
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$32,900

Listed 2025-02-18

25769 415 Rd
Nowata, OK  74048

Beds:
Baths:
Sq Ft:
Lot: 217,800 sf
Land Map
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$349,000

Listed 2025-09-05

396950 W 1300 Rd
Dewey, OK  74029

Beds: 4.0
Baths: 2.0
Sq Ft: 1,548
Lot: 39,640 sf
Single Family Map
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$299,900

Listed 2025-07-30

1507 Foxtail Park Ln
Bartlesville, OK  74006

Beds: 4.0
Baths: 2.0
Sq Ft: 2,043
Lot: 8,712 sf
Single Family Map
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Current Property Rentals

Shelley Koster currently has no rental properties available in Bartlesville and surrounding areas. Check back later.