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Debra Diana Kostoff

Debra Diana Kostoff
Real Estate Agent (Broker Associate (Employing))
Denver CO

Broker Associate (Employing) (CO: 100026625)

18 years experience

REALTOR® 1 Active Listings Serves Jefferson County, CO
View on Realtor.com

Contact Information

Brokerage
Re Max Professionals

Office Website
Office Address
143 Union Blvd Ste 500
Denver, CO  80228-2258
(Jefferson County)
Office Phone
303-268-8800
Office Fax
303-791-4664
Mobile
303-268-8800
Email
deb@debkostoff.com

Service Areas

Greenwood Village: CO Meridian: CO Inverness: CO Lone Tree: CO Centennial: CO Dove Valley: CO Littleton: CO Englewood: CO Cherry Hills Village: CO Lakewood: CO Columbine: CO Columbine Valley: CO Denver: CO Bow Mar: CO Ken Caryl: CO Highlands Ranch: CO Acres Green: CO Dakota Ridge: CO Applewood: CO Idledale: CO Wheat Ridge: CO Genesee: CO Golden: CO East Pleasant View: CO West Pleasant View: CO Indian Hills: CO Morrison: CO

About Debra Kostoff

Deb is a highly regarded REALTOR® with a wealth of experience in the real estate sector, having served clients since 1998. Her commitment to excellence and strong leadership qualities have earned her respect among both clients and peers.

With a comprehensive background in real estate transactions, Deb also brings valuable insights from her previous role managing the mortgage loan processing department for a prominent international lender. This experience equips her with an in-depth understanding of mortgage guidelines and regulations, providing clients with a significant advantage when navigating the buying or selling process.

A strong advocate for community engagement, Deb actively participates in various local initiatives. Her recent volunteer work includes contributions to Hands Across Littleton, the Littleton Home & Garden Tour, and producing a local play to support the Field Elementary Food Pantry. Additionally, she is involved in her church and her daughter’s school.

Deb is committed to delivering exceptional service to her clients while also fostering a positive impact within the community. She is dedicated to guiding clients through every stage of their real estate journey, ensuring a smooth and rewarding experience in investment and homeownership.

Jefferson County, CO Real Estate Market Analysis (Single Family Homes)

$1,027,850
Avg. Listing Price
From Debra's portfolio
3.8 / 3.1
Avg. Beds/Baths
Typical property size
3,015 sf
Avg. Square Footage
Interior living space
2009
Active Listings
Current inventory

Mortgage lenders, title companies, PropTech startups, insurance agents, and continuing education providers rely on targeted outreach to Jefferson County's 3,884 actively licensed real estate agents to grow their businesses. Whether you're launching a new loan product, promoting title services, or recruiting top performers to your brokerage, having verified contact information for every licensed agent in this lucrative Colorado market gives you a decisive competitive advantage over companies still cold-calling or hoping for referrals.

Real estate recruiters particularly value this precision targeting because Jefferson County agents handle some of Colorado's most desirable properties, from Lakewood's established neighborhoods to Arvada's growing communities. Insurance professionals use our agent data to build partnerships with the exact agents who need their services, while continuing education providers leverage the list to fill courses and maintain direct relationships with agents who must complete ongoing training requirements.

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

Our Jefferson County agent database sourced directly from state licensing boards delivers 96% email deliverability because we verify every contact monthly, unlike cheap alternatives that dump outdated information and leave you with bounced emails and wasted marketing spend. Every one of the 3,884 agents in our database holds an active Colorado license with current email addresses, phone numbers, and license details that get refreshed every 30 days to ensure you're reaching active professionals, not agents who left the business months ago.

While other vendors sell stale, unverified lists or force you to buy entire state databases, we provide granular targeting down to individual zip codes within Jefferson County - a level of precision no other data provider offers. Our monthly updates catch license renewals, new agents entering the market, and agents who've moved between brokerages, giving you the most current intelligence to time your outreach perfectly and avoid embarrassing contacts to outdated information.

How to Use This Jefferson County Agent List

Most successful campaigns combine email outreach through cold-email platforms like Zap Contact (zapcontact.com), Dr Bill's purpose-built system for purchased lists, with direct mail and LinkedIn connection strategies to create multiple touchpoints with your target agents. Mainstream platforms like Mailchimp and Constant Contact prohibit purchased lists, making specialized cold-email tools essential for compliance and deliverability when you buy Jefferson County real estate agent email list data for prospecting campaigns.

Smart marketers segment our data by broker affiliation and agent experience level, allowing them to craft different messages for veteran agents at established firms versus newer agents at discount brokerages who may need different services or have varying budgets. The comprehensive license data included with each contact enables phone follow-up campaigns, LinkedIn profile matching for social selling, and personalized direct mail pieces that reference specific license dates or brokerage changes.

Why Jefferson County, Colorado Agent Data Matters

Jefferson County encompasses major real estate markets including Lakewood, Arvada, Westminster, Wheat Ridge, and Edgewater, where our 3,884 licensed agents handle billions in annual property transactions across diverse price points and property types. This concentrated market offers more qualified prospects per square mile than rural counties while remaining manageable enough for systematic outreach, unlike massive metro areas where your message gets lost in the noise.

Local targeting consistently outperforms statewide email blasts because Jefferson County agents face specific market conditions, zoning regulations, and client demographics that require tailored solutions rather than generic Colorado-wide messaging. When you can reference Lakewood's established buyer preferences or Arvada's new construction boom in your outreach, agents immediately recognize you understand their local market challenges and are more likely to engage with your services or opportunities.

Current Property Listings

As of 5/29/2026, Debra Kostoff has 1 property for sale in Denver and surrounding areas.

$2,345,000

Listed 2026-04-25

1245 Havenwood Way
Castle Pines, CO  80108

Beds: 6.0
Baths: 5.5
Sq Ft: 6,398
Lot: 16,553 sf
Single Family Map
View Full Details

Current Property Rentals

Debra Kostoff currently has no rental properties available in Denver and surrounding areas. Check back later.