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Karen M Nasello

Karen M Nasello
Real Estate Agent (Salesperson)
Jacksonville FL

Salesperson (FL: 3189623)

25 years experience

REALTOR® 6 Active Listings Serves Duval County, FL
View on Realtor.com

Contact Information

Brokerage
Exp Realty Llc

Office Website
Office Address
10752 Deerwood Park Blvd Suit
Jacksonville, FL  32256
(Duval County)
Office Phone
888-883-8509
Office Fax
Mobile
727-421-0308
Email
knas*****@*****.com
Show Email for $5

Service Areas

St. Petersburg: FL Tierra Verde: FL Bradenton: FL

About Karen Nasello

Since 2001, this dedicated real estate professional has been assisting buyers and sellers in navigating the real estate landscape. Initially joining Baird & Warner Real Estate in Chicago, Illinois, they focused on the northern suburbs, specializing in property listings and catering to numerous corporate relocation clients.

In 2006, the agent relocated to the vibrant Tampa Bay area of Florida, where they obtained their Florida real estate license and concentrated on beach and waterfront properties along the central Gulf Coast. Following another move to Lakewood Ranch, Florida, their expertise now extends to the Lakewood Ranch, Sarasota, and Bradenton regions, encompassing all of Manatee and Sarasota counties.

Committed to delivering exceptional service, this agent aims to ensure a seamless experience for clients during their real estate transactions. They possess an in-depth understanding of the local market, enabling clients to make informed decisions. Collaborating with a network of qualified lenders, home inspectors, title companies, attorneys, and other professionals, they facilitate every aspect of the buying and selling process.

Florida offers an incredible lifestyle, whether for year-round residents or seasonal visitors. Now is an opportune moment to connect with a local expert and secure your own piece of paradise, as property values have stabilized and are on an upward trajectory.

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

$411,590
Avg. Listing Price
From Karen's portfolio
3.4 / 2.3
Avg. Beds/Baths
Typical property size
1,801 sf
Avg. Square Footage
Interior living space
5421
Active Listings
Current inventory

Duval County, Florida represents one of the most dynamic and expansive real estate markets in the southeastern United States, anchored by Jacksonville as the largest city by land area in the continental U.S. This massive geographic footprint creates unique opportunities and challenges for real estate professionals, with 19,873 total actively licensed agents serving diverse communities from urban downtown districts to sprawling suburban developments and waterfront properties along the St. Johns River and Atlantic coast.

The sheer scale of professional representation in Duval County is remarkable, with all 19,873 agents maintaining email contact information, indicating a tech-savvy and digitally connected real estate community. This level of digital engagement reflects the market's sophistication and the necessity for agents to leverage technology when serving such an geographically diverse area that spans over 840 square miles.

Major Duval County, Florida Real Estate Markets

Jacksonville's real estate landscape divides into distinct regions, each with unique characteristics and price points. The Beaches area, including Neptune Beach, Atlantic Beach, and Ponte Vedra Beach, commands premium prices for oceanfront and near-ocean properties, while downtown Jacksonville has experienced significant revitalization with new condominiums and loft conversions attracting young professionals and empty nesters seeking urban amenities.

Suburban growth continues to surge in areas like Mandarin, Orange Park, and Fleming Island, where new construction and master-planned communities offer families modern amenities and top-rated schools. The Southside and San Marco neighborhoods provide established charm with historic homes and walkable business districts, while the Northside presents affordable housing options and emerging development opportunities that savvy investors are beginning to recognize.

Market Dynamics and Geographic Complexity

What makes Duval County particularly intriguing is its absorption of multiple smaller municipalities and unincorporated areas, creating micro-markets with vastly different demographics, pricing structures, and growth patterns. Areas like Fernandina Beach offer historic charm and resort-style living, while neighborhoods closer to Naval Air Station Jacksonville cater to military families with specific housing needs and timeline requirements.

The market benefits from Florida's lack of state income tax, a growing logistics and financial services sector, and Jacksonville's position as a major port city, all of which drive consistent population growth and housing demand. Surprisingly, despite its size, Duval County maintains relatively affordable housing compared to other major Florida metros, though waterfront properties and luxury developments in areas like Ponte Vedra can reach seven-figure price points.

Why Businesses Need Duval County, Florida Agent Contact Data

Real estate service providers, from mortgage lenders to home inspectors, find Duval County's concentrated agent network invaluable for business development. With nearly 20,000 licensed professionals all reachable via email, companies can efficiently target specific geographic specialties or property types, whether focusing on luxury beach properties, first-time homebuyer programs, or commercial development opportunities in Jacksonville's expanding business districts.

The comprehensive email coverage enables precise marketing campaigns for professional services, continuing education providers, and technology platforms serving the real estate industry. Given Jacksonville's role as a regional hub and the county's diverse property types spanning from downtown high-rises to rural estates, businesses can segment their outreach to match agent specializations and maximize their return on marketing investments.

Current Property Listings

As of 2/17/2026, Karen Nasello has 6 properties for sale in Jacksonville and surrounding areas.

$299,999

Listed 2025-10-20

6703 Midnight Pass Rd Apt 208
Sarasota, FL  34242

Beds: 1.0
Baths: 1.0
Sq Ft: 702
Lot: 66,211 sf
Condos Map
View Full Details

$579,000

Listed 2025-10-15

6918 Hanover Ct
Lakewood Ranch, FL  34202

Beds: 2.0
Baths: 2.0
Sq Ft: 1,405
Lot: 9,148 sf
Single Family Map
View Full Details

$349,900

Listed 2025-11-16

549 E Tarpon Blvd NW
Port Charlotte, FL  33952

Beds: 3.0
Baths: 2.0
Sq Ft: 1,757
Lot: 10,019 sf
Single Family Map
View Full Details

$199,900

Listed 2025-06-27

6188 80th St N Unit 102
Saint Petersburg, FL  33709

Beds: 2.0
Baths: 2.0
Sq Ft: 1,345
Condos Map
View Full Details

$379,500

Listed 2025-10-01

8140 Terrace Garden Dr N Unit 103
Saint Petersburg, FL  33709

Beds: 2.0
Baths: 2.0
Sq Ft: 1,735
Condos Map
View Full Details

$350,000

Listed 2026-01-16

8162 Terrace Garden Dr N Unit 204
Saint Petersburg, FL  33709

Beds: 2.0
Baths: 2.0
Sq Ft: 1,805
Lot: 4,356,000,000 sf
Condos Map
View Full Details

Current Property Rentals

As of 2/17/2026, Karen Nasello has the following rental properties available in Jacksonville and surrounding areas.

$2,900

Listed 2025-12-16

17688 Northwood Pl
Lakewood Ranch, FL  34202

Beds: 3.0
Baths: 2.0
Sq Ft: 1,458
Lot: 3,920 sf
Single Family Map
View Full Details

$2,495

Listed 2025-07-22

1 Key Capri Apt 104W
Treasure Island, FL  33706

Beds: 2.0
Baths: 2.0
Sq Ft: 1,175
Lot: 4,356,000,000 sf
Condos Map
View Full Details