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Dianne Platt

Dianne Platt
Real Estate Agent (Salesperson)
Middletown DE

Salesperson (DE: RS-0023885)

10 years experience

REALTOR® 3 Active Listings Serves New Castle County, DE
View on Realtor.com

Contact Information

Brokerage
Patterson-Schwartz Middletown Center

Office Website
Office Address
4417 Summit Bridge Rd
Middletown, DE  19709
(New Castle County)
Office Phone
302-285-5100
Office Fax
Mobile
877-456-4663
Email
lady*****@*******.com
Show Email for $5

Service Areas

St. Georges: DE Odessa: DE Middletown: DE Townsend: DE Leipsic: DE Smyrna: DE Clayton: DE Rodney Village: DE Dover: DE Camden: DE Woodside: DE Wyoming: DE Cheswold: DE Bear: DE Glasgow: DE Kirkwood: DE Wilmington: DE Edgemoor: DE Elsmere: DE South Bethany: DE Bethany Beach: DE

About Dianne Platt

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New Castle County, DE Real Estate Market Analysis (Single Family Homes)

$586,329
Avg. Listing Price
From Dianne's portfolio
3.7 / 2.7
Avg. Beds/Baths
Typical property size
2,442 sf
Avg. Square Footage
Interior living space
928
Active Listings
Current inventory

New Castle County represents Delaware's economic powerhouse and most dynamic real estate market, encompassing Wilmington, Newark, and numerous suburban communities that serve both local residents and professionals commuting to nearby Philadelphia and Baltimore. The county's unique position within the Northeast Corridor creates a complex tapestry of residential neighborhoods, from historic Wilmington brownstones to modern developments in Bear and Middletown, each serving distinct buyer demographics and price points.

With 3,028 total actively licensed agents operating throughout the county, the market demonstrates remarkable depth and specialization across its diverse communities. What makes this agent network particularly valuable is that all 3,028 agents maintain current email contact information, reflecting the tech-forward approach that characterizes Delaware's business-friendly environment and the professional standards expected in this competitive market.

Major New Castle County, Delaware Real Estate Markets

Wilmington anchors the county as Delaware's largest city, where real estate activity ranges from luxury riverfront condominiums to revitalized downtown lofts attracting young professionals drawn by the city's corporate headquarters and cultural amenities. The surrounding suburbs of Pike Creek, Hockessin, and Greenville represent some of the most affluent markets in the region, with agents specializing in executive relocations and high-end family properties that often exceed $800,000.

Newark's market revolves heavily around the University of Delaware, creating unique opportunities in student housing, faculty residences, and investment properties, while rapidly growing areas like Middletown and Bear have emerged as major family destinations due to their newer construction, excellent schools, and convenient access to major highways connecting to Philadelphia and Washington D.C. markets.

Market Dynamics and Geographic Complexity

New Castle County's real estate landscape operates on multiple levels simultaneously, with coastal influence from nearby Delaware Bay, suburban expansion pressure from Philadelphia's metropolitan growth, and the stabilizing presence of major corporations including DuPont, JPMorgan Chase, and Bank of America. This creates micro-markets where agents must understand everything from flood zone regulations in Claymont to luxury estate protocols in Centreville.

The county's surprising diversity extends from dense urban blocks in Wilmington's East Side to sprawling horse properties in Hockessin, requiring agents to master dramatically different specializations often within a 20-mile radius. This geographic complexity means successful real estate professionals here develop deep expertise in specific neighborhoods while maintaining broad knowledge of county-wide trends, corporate relocations, and seasonal patterns driven by both university cycles and corporate fiscal calendars.

Why Businesses Need New Castle County, Delaware Agent Contact Data

Financial services companies, mortgage lenders, and insurance providers find New Castle County's agent network particularly valuable due to the high volume of executive relocations and the sophisticated clientele requiring complex financing solutions and premium service levels. The complete email accessibility of all 3,028 licensed agents enables targeted campaigns for luxury property insurance, jumbo mortgages, and corporate relocation services that match the county's upscale market demands.

Home service providers, from high-end contractors to landscaping companies, leverage this agent database to connect with professionals handling properties where clients expect premium quality and are willing to invest accordingly. The agents' digital connectivity facilitates rapid communication about time-sensitive opportunities, whether coordinating pre-listing home improvements or connecting new residents with trusted service providers in their specific communities.

Current Property Listings

As of 2/17/2026, Dianne Platt has 3 properties for sale in Middletown and surrounding areas.

$259,000

Listed 2025-11-14

59 Chatham Ct
Dover, DE  19901

Beds: 2.0
Baths: 2.5
Sq Ft: 2,131
Lot: 3,920 sf
Condos Map
View Full Details

$249,900

Listed 2026-01-05

408 Margit Ct
Newark, DE  19711

Beds: 2.0
Baths: 2.5
Sq Ft: 1,550
Condos Map
View Full Details

$325,000

Listed 2025-11-07

115 Atlas Dr
New Castle, DE  19720

Beds: 3.0
Baths: 1.5
Sq Ft: 1,276
Lot: 4,792 sf
Single Family Map
View Full Details

Current Property Rentals

Dianne Platt currently has no rental properties available in Middletown and surrounding areas. Check back later.