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Eric L Castleberg

Eric L Castleberg
Real Estate Agent
Middleton WI

(WI: )

32 years experience

REALTOR® 8 Active Listings Serves Dane County, WI
View on Realtor.com

Contact Information

Brokerage
Exp Realty Llc- Wi

Office Website
Office Address
8383 Greenway Blvd
Middleton, WI  53562
(Dane County)
Office Phone
715-747-2480
Office Fax
Mobile
608-345-0292
Email
eric**********@*****.com
Show Email for $5

Service Areas

Madison: WI Westport: WI Maple Bluff: WI Fitchburg: WI McFarland: WI Monona: WI Stoughton: WI Oregon: WI Shorewood Hills: WI Verona: WI Cross Plains: WI Middleton: WI Waunakee: WI Mount Horeb: WI Belleville: WI New Glarus: WI Brooklyn: WI Evansville: WI Lake Koshkonong: WI Edgerton: WI Cambridge: WI Lake Ripley: WI Rockdale: WI Deerfield: WI Cottage Grove: WI Sun Prairie: WI Windsor: WI Marshall: WI Doylestown: WI Columbus: WI DeForest: WI

About Eric Castleberg

Raised in Madison within a family deeply rooted in real estate, this agent began their journey in the industry at a young age, working for their father's property management company. Their early experiences included a variety of hands-on tasks such as lawn care, painting, and basic electrical and plumbing work. As they progressed, they transitioned to showing apartments, processing applications, and managing rent collection. This foundational experience paved the way for a role in a real estate office, where they coordinated property showings and assisted clients in their home searches.

Pursuing further education at the University of Wisconsin - Madison, they delved into the intricacies of property valuation, focusing on both commercial and residential real estate. They engaged in coursework that enhanced their understanding of the factors influencing property values, including the financial dynamics of commercial properties, where they learned how adjustments in income and expenses can significantly impact valuation.

With over 22 years of experience as a Realtor, this professional remains passionate about their work. They take particular joy in guiding first-time buyers through the home-buying process, cherishing the excitement that accompanies a successful closing.

Dane County, WI Real Estate Market Analysis (Single Family Homes)

$638,164
Avg. Listing Price
From Eric's portfolio
3.5 / 2.8
Avg. Beds/Baths
Typical property size
2,381 sf
Avg. Square Footage
Interior living space
1237
Active Listings
Current inventory

Dane County, Wisconsin represents one of the Midwest's most dynamic and diverse real estate markets, anchored by Madison's thriving economy and the University of Wisconsin's substantial presence. With 1,581 actively licensed real estate agents operating throughout the county, this market reflects a sophisticated blend of urban sophistication, suburban growth, and rural charm that attracts buyers from across the region and beyond.

What makes Dane County particularly compelling is its remarkable stability combined with consistent growth patterns. The county's real estate professionals navigate everything from luxury lakefront properties along Lake Mendota and Lake Monona to emerging suburban developments in rapidly growing communities like Verona and Sun Prairie. With all 1,581 licensed agents maintaining active email contact information, the market demonstrates a high level of digital engagement and professional connectivity that facilitates efficient transactions and communication.

Major Dane County, Wisconsin Real Estate Markets

Madison dominates the county's real estate landscape as both the state capital and home to the University of Wisconsin, creating unique market segments that include downtown condominiums, historic near-east side neighborhoods, and family-oriented west side developments. The Fitchburg and Middleton markets have experienced particularly strong growth, with Middleton earning recognition as one of the best places to live in Wisconsin, driving premium pricing and competitive bidding situations.

Beyond the greater Madison metropolitan area, communities like Mount Horeb, Oregon, and Stoughton offer distinct market characteristics, from Mount Horeb's "Troll Capital" charm attracting buyers seeking small-town character to Oregon's rapid suburban expansion. The county's northern communities, including DeForest and Windsor, represent some of the fastest-growing residential markets in the region, appealing to buyers seeking newer construction and excellent school districts while maintaining reasonable commutes to Madison's employment centers.

Market Dynamics and Geographic Complexity

Dane County's real estate market exhibits fascinating micro-trends that vary significantly across its 1,238 square miles. Lake access properties command substantial premiums, with homes on lakes like Waubesa, Kegonsa, and numerous smaller lakes throughout the county often selling 20-40% above comparable non-waterfront properties. The market also reflects Wisconsin's strong agricultural heritage, with rural properties and hobby farms in areas like Cross Plains and Blue Mounds attracting buyers seeking larger acreage and lifestyle changes.

Seasonal patterns play a crucial role in market timing, with spring and early summer traditionally showing the highest activity levels. However, the county's strong employment base, anchored by Epic Systems, American Family Insurance, and state government, creates more consistent year-round activity than typically seen in seasonal markets. The presence of major employers has also driven demand for executive-level housing, particularly in western Dane County communities.

Why Businesses Need Dane County, Wisconsin Agent Contact Data

Access to comprehensive contact information for Dane County's 1,581 real estate professionals creates significant opportunities for service providers, lenders, technology companies, and other real estate industry businesses. The county's agents handle a diverse portfolio of transactions, from first-time homebuyer programs to luxury estate sales, creating varied needs for professional services, marketing solutions, and specialized expertise.

The complete email accessibility for all licensed agents facilitates targeted marketing campaigns and partnership development opportunities. Whether you're offering continuing education, financial services, home inspection services, or real estate technology solutions, Dane County's digitally connected agent network provides an ideal environment for B2B relationship building and service expansion throughout one of Wisconsin's most economically robust markets.

Current Property Listings

As of 2/17/2026, Eric Castleberg has 8 properties for sale in Middleton and surrounding areas.

$339,900

Listed 2025-12-13

552 Apollo Way
Madison, WI  53718

Beds: 3.0
Baths: 2.5
Sq Ft: 1,690
Condos Map
View Full Details

$219,900

Listed 2026-01-08

2941 Turbot Dr
Madison, WI  53713

Beds: 2.0
Baths: 1.0
Sq Ft: 1,102
Condos Map
View Full Details

$205,000

Listed 2025-11-21

707 Whispering Pines Way
Fitchburg, WI  53713

Beds: 2.0
Baths: 1.0
Sq Ft: 965
Condos Map
View Full Details

$259,900

Listed 2026-01-15

1418 Wheeler Rd Unit C
Madison, WI  53704

Beds: 2.0
Baths: 1.5
Sq Ft: 1,392
Condos Map
View Full Details

$207,500

Listed 2026-01-26

1501 Whispering Pines Way
Fitchburg, WI  53713

Beds: 2.0
Baths: 1.0
Sq Ft: 965
Condos Map
View Full Details

$274,900

Listed 2026-01-19

1426 Wheeler Ct Unit D
Madison, WI  53704

Beds: 2.0
Baths: 1.5
Sq Ft: 1,175
Condos Map
View Full Details

$169,900

Listed 2026-01-28

2581 Smiths Xing Unit 312
Sun Prairie, WI  53590

Beds: 0.0
Baths: 1.0
Sq Ft: 535
Condos Map
View Full Details

$205,000

Listed 2025-11-21

1608 Whispering Pines Way
Fitchburg, WI  53713

Beds: 2.0
Baths: 1.0
Sq Ft: 1,019
Condos Map
View Full Details

Current Property Rentals

Eric Castleberg currently has no rental properties available in Middleton and surrounding areas. Check back later.