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Heather Flaherty Cosgrove

Heather Flaherty Cosgrove
Real Estate Agent (Salesperson)
Jacksonville FL

Salesperson (FL: 3378401)

9 years experience

REALTOR® 4 Active Listings Serves Duval County, FL
View on Realtor.com

Contact Information

Brokerage
Berkshire Hathaway Homeservices Florida Network Realty - Metro Jacksonville

Office Website
Office Address
3627 St Johns Ave
Jacksonville, FL  32205
(Duval County)
Office Phone
904-388-5005
Office Fax
904-388-5566
Mobile
904-903-8993
Email
hfla******@***.com
Show Email for $5

Service Areas

Jacksonville: FL Neptune Beach: FL Lakeside: FL Oakleaf Plantation: FL Fleming Island: FL Orange Park: FL

About Heather Cosgrove

Heather is a seasoned professional at Berkshire Hathaway HomeServices Florida Network Realty, bringing over 20 years of expertise in human resources management and relocation services. Growing up as the daughter of a U.S. Navy pilot, she has experienced the complexities of frequent relocations firsthand. This background equips her with a profound understanding of the challenges faced by individuals and families navigating the home-buying process in new and sometimes unfamiliar environments.

Having lived in diverse locations across the United States—from Virginia to California and now the picturesque First Coast—Heather appreciates both the excitement and the potential anxieties associated with moving. Her journey inspired her to become a Realtor, as she is passionate about leveraging her personal experiences to assist others in finding not just a house, but a true home where they can thrive for years.

Heather holds a bachelor's degree from Virginia Tech and a master's degree from Marymount University. Before transitioning to real estate, she served as a human resources director for prominent companies in the mortgage finance, communications, consulting, and engineering sectors. Her extensive background in helping individuals relocate for new opportunities enhances her ability to guide clients through their own transitions.

In addition to her professional endeavors, Heather is dedicated to community service. She serves as the Workforce Readiness Director for the Jacksonville Society for Human Resource Management and is an active member of the Jacksonville Chamber of Commerce. Her commitment to supporting others extends to her volunteer work with Employer Support of the Guard and Reserve (ESGR) and Operation New Uniform.

Duval County, FL Real Estate Market Analysis (Single Family Homes)

$421,103
Avg. Listing Price
From Heather's portfolio
3.4 / 2.3
Avg. Beds/Baths
Typical property size
1,823 sf
Avg. Square Footage
Interior living space
6898
Active Listings
Current inventory

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Current Property Listings

As of 3/27/2026, Heather Cosgrove has 4 properties for sale in Jacksonville and surrounding areas.

$60,000

Listed 2025-10-21

9168 Jackson Ave
Jacksonville, FL  32208

Beds:
Baths:
Sq Ft:
Lot: 18,731 sf
Land Map
View Full Details

$435,000

Listed 2026-03-13

4717 Apache Ave
Jacksonville, FL  32210

Beds: 3.0
Baths: 2.0
Sq Ft: 1,808
Lot: 10,454 sf
Single Family Map
View Full Details

$179,500

Listed 2025-08-13

4358 Timuquana Rd Unit 148
Jacksonville, FL  32210

Beds: 2.0
Baths: 1.5
Sq Ft: 1,126
Lot: 1,307 sf
Townhomes Map
View Full Details

$899,999

Listed 2025-11-29

1537 Avondale Ave
Jacksonville, FL  32205

Beds: 3.0
Baths: 2.5
Sq Ft: 2,709
Lot: 6,970 sf
Single Family Map
View Full Details

$89,000

Listed 2025-12-03

4801 Lexington Ave
Jacksonville, FL  32210

Beds: 3.0
Baths: 1.0
Sq Ft: 730
Single Family Map
View Full Details

Current Property Rentals

Heather Cosgrove currently has no rental properties available in Jacksonville and surrounding areas. Check back later.