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Mark C Callaghan

Mark C Callaghan
Real Estate Agent (Broker Associate (Employing))
Denver CO

Broker Associate (Employing) (CO: 100046832)

13 years experience

REALTOR® 4 Active Listings Serves Denver County, CO
View on Realtor.com

Contact Information

Brokerage
Coldwell Banker Global Luxury Denver

Office Website
Office Address
600 N Grant St Ste 900
Denver, CO  80203-3528
(Denver County)
Office Phone
303-758-7611
Office Fax
303-377-4733
Mobile
303-710-1000
Email
mark@marksellsdenver.com

Service Areas

Aurora: CO Denver: CO Centennial: CO Foxfield: CO Dove Valley: CO Derby: CO Commerce City: CO Arvada: CO Fairmount: CO Wheat Ridge: CO Englewood: CO Sheridan: CO Littleton: CO Cherry Hills Village: CO Greenwood Village: CO Cherry Creek: CO Meridian: CO Inverness: CO Lone Tree: CO Lakewood: CO Columbine: CO Columbine Valley: CO Bow Mar: CO Ken Caryl: CO Highlands Ranch: CO Acres Green: CO Roxborough: CO Louviers: CO Roxborough Park: CO Dakota Ridge: CO Berkley: CO Lakeside: CO Mountain View: CO Edgewater: CO Applewood: CO North Washington: CO Glendale: CO

About Mark Callaghan

Consistently acknowledged as the leading Realtor in downtown Denver, this agent has achieved the highest sales figures year after year.

In 2020 and 2021, they were recognized as Coldwell Banker's top individual broker in Colorado.

They ranked among the Top 500 Brokers nationwide with NRT, the largest residential real estate brokerage in the United States, during the second, third, and fourth quarters of 2021.

Additionally, they were honored as a member of the International Society of Excellence, placing them in the top 1% of brokers globally with Coldwell Banker Realty in 2021.

Their accolades also include the International President's Premier Award for the years 2016, 2017, 2019, 2020, and 2021, as well as the International President's Elite Award in 2018.

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

$1,048,115
Avg. Listing Price
From Mark's portfolio
3.6 / 2.9
Avg. Beds/Baths
Typical property size
2,546 sf
Avg. Square Footage
Interior living space
1906
Active Listings
Current inventory

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Each monthly update removes inactive licenses, adds new agents, and verifies email deliverability through multiple validation processes. This rigorous quality control means your outreach campaigns avoid bounced emails, spam complaints, and wasted marketing spend that plague businesses using inferior data sources or outdated contact lists.

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Why Denver County, Colorado Agent Data Matters

Denver County encompasses Denver city plus surrounding communities where these 8,933 licensed agents actively serve clients across diverse neighborhoods and price points. Unlike broad statewide campaigns that waste impressions on irrelevant markets, county-level targeting ensures your message reaches agents working in your specific service area, whether you're focusing on downtown Denver, residential suburbs, or commercial districts.

When you buy Denver County real estate agent email list data, you access the only vendor offering zip code level segmentation within the county, enabling hyper-local targeting impossible through other sources. This geographic precision helps mortgage lenders target specific lending territories, allows title companies to focus on their coverage areas, and enables service providers to concentrate marketing efforts where they can actually fulfill client needs.

Current Property Listings

As of 5/29/2026, Mark Callaghan has 4 properties for sale in Denver and surrounding areas.

$395,000

Listed 2025-09-21

891 14th St Unit 1716
Denver, CO  80202

Beds: 1.0
Baths: 1.0
Sq Ft: 793
Condo Map
View Full Details

$1,375,000

Listed 2026-01-28

891 14th St Unit 4109
Denver, CO  80202

Beds: 2.0
Baths: 2.5
Sq Ft: 1,697
Condo Map
View Full Details

$57,500

Listed 2026-02-04

891 14th St
Denver, CO  80202

Beds: 1.0
Baths: 1.0
Sq Ft: 816
Single Family Map
View Full Details

$1,575,000

Listed 2026-03-02

891 14th St Unit 3916
Denver, CO  80202

Beds: 2.0
Baths: 2.5
Sq Ft: 1,671
Condo Map
View Full Details

$805,000

Listed 2026-04-28

891 14th St Unit 2008
Denver, CO  80202

Beds: 2.0
Baths: 2.0
Sq Ft: 1,258
Condo Map
View Full Details

Current Property Rentals

As of 5/29/2026, Mark Callaghan has the following rental properties available in Denver and surrounding areas.

$2,050

Listed 2026-04-26

891 14th St Unit 1905L
Denver, CO  80202

Beds: 1.0
Baths: 1.0
Sq Ft: 758
Condo Map
View Full Details