About New Castle County

Population 570,000 residents
Area 494 square miles
County Seat Wilmington
Established 1673
Named After the historic town

New Castle County is the northernmost of Delaware's three counties and the most populous, with an estimated population exceeding 570,000 residents as of recent census data. New Castle County Seat is Wilmington, Delaware's largest city, which is a major financial center and commercial hub. New Castle County covers approximately 494 square miles in the Piedmont and Atlantic Coastal Plain regions, bordered by Pennsylvania to the north, New Jersey to the east across the Delaware River, and Kent County to the south.

New Castle County was one of the original three counties created in 1673 under English rule and is named after the historic town of New Castle, Delaware's original colonial capital. Major landmarks include the Nemours Estate, Hagley Museum, Winterthur Museum, and the historic New Castle Court House. New Castle County is unique as home to more Fortune 500 companies than any other U.S.

County relative to its size, thanks to Delaware's favorable business incorporation laws. New Castle Recorder of Deeds of Deeds, located at New Castle County Government Center, 87 Read's Way, New Castle County, DE 19720, maintains property records. New Castle County Assessment Division handles property valuations and is located at 87 Read's Way.

The Office of Finance manages tax collection. New Castle County Department of Land Use administers zoning, planning, and building permits from the same Government Center complex, serving unincorporated areas and coordinating with municipalities including Wilmington, Newark, and numerous smaller towns throughout New Castle County.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

New Castle County Sheriff's Office is responsible for a variety of law enforcement duties within New Castle County. It primarily focuses on serving legal documents, such as subpoenas and eviction notices, and providing security for New Castle County's courts. Unlike many other counties, the Sheriff's Office in New Castle does not operate New Castle County jail or patrol unincorporated areas, as these functions are handled by other agencies.

Police Departments

New Castle County is served by several law enforcement agencies, including New Castle County Police Department, Wilmington Police Department, Newark Police Department, and Middletown Police Department. New Castle County Police Department is responsible for patrolling unincorporated areas of New Castle County, while the municipal police departments handle law enforcement within their respective city limits. These agencies coordinate on major crimes and public safety initiatives to ensure full coverage and effective response throughout New Castle County.

Law Enforcement & Arrests

New Castle County Police Department is the primary law enforcement agency for unincorporated areas of New Castle County, with headquarters at 3601 North DuPont Highway, New Castle, DE 19720 The department's website at nccde.org/police provides access to crime statistics and community resources. Within New Castle County, the Wilmington Police Department serves the city of Wilmington, the Newark Police Department serves Newark, and smaller municipal departments operate in towns like New Castle County, Middletown, and Delaware City.

  • Citizens may request arrest records by submitting written FOIA requests to the arresting agency.
  • Inmate lookup is available through the Delaware Department of Correction's online offender locator at doc.delaware.gov.
  • Mugshots and booking photos may be obtained through FOIA requests to the arresting agency, though some recent booking photos are published on individual police department websites.
  • Processing times for arrest record requests typically range from 5-15 business days depending on the agency and complexity of the request.
3601 North DuPont Highway, New Castle, DE 19720

Criminal, Arrest & Jail Records

Criminal Records

The criminal records system in New Castle County includes records of felonies, misdemeanors, traffic violations, and sex offender registry information. New Castle County Police Department and the Delaware State Police maintain these records, which can be accessed for background checks through the Delaware State Bureau of Identification. The Bureau provides fingerprinting services and criminal history reports for residents of New Castle County.

Arrest Records

Arrest records in New Castle County are maintained by New Castle County Police Department and the Delaware State Police. These records can be requested by residents and attorneys through the appropriate law enforcement agency, following the guidelines set by the Delaware Freedom of Information Act. An arrest record in New Castle County typically includes the individual's personal information, details of the arrest, charges filed, and the arresting agency. The process for obtaining these records involves submitting a formal request, which may require a fee.

Jail & Inmate Records

The Howard R. Young Correctional Institution, located in Wilmington, is the primary jail facility for New Castle County. This facility handles the booking process for people arrested within New Castle County, and it offers an inmate lookup service through the Delaware Department of Correction's online portal. Visitation rules are specific to the facility and typically require scheduling in advance, with strict guidelines on what visitors can bring.

  • The bond and bail process in Delaware involves posting bail through the court system, and individuals can find information about recently arrested persons through the Department of Correction's resources.

Mugshots & Booking Photos

Mugshots in New Castle County are taken and retained by the law enforcement agency responsible for the arrest, typically New Castle County Police Department or the Delaware State Police. These booking photos can be accessed through the respective agency's website or by submitting a request under the Delaware Freedom of Information Act. Delaware does not have specific laws for mugshot removal, so the availability of mugshots may vary depending on the agency's policies and the nature of the case.

Courts & Case Records

New Castle County is served by multiple levels of the Delaware court system. New Castle County Superior Court, located at the Leonard L. Williams Justice Center, 500 North King Street, Wilmington, DE 19801, phone, handles felony criminal cases, civil matters over $50,000, and appeals from lower courts. The Court of Common Pleas for New Castle County, also at 500 North King Street, has jurisdiction over civil cases between $15,000 and $50,000, misdemeanor criminal cases, and certain family court matters.

  • The Justice of the Peace Court operates multiple locations throughout New Castle County, handling civil cases under $15,000, landlord-tenant disputes, and initial criminal arraignments.
  • Court records are accessible through the Delaware Courts eFiling system at courts.delaware.gov, though some records require in-person requests.
  • Civil case searches are available online at no charge, but certified copies cost $2.00 per page plus a $5.00 certification fee.
  • The Register in Chancery, located at New Castle County Courthouse, 500 North King Street, maintains equity and property dispute records.
1200 North King Street, Wilmington, DE 19801

Property & Public Records

New Castle Recorder of Deeds of Deeds, located at 87 Read's Way, New Castle, DE 19720, phone, maintains all land records for New Castle County including deeds, mortgages, liens, easements, right-of-way agreements, and plat maps dating back to the colonial period. The office provides a free online land records search portal at nccde.org/350/Recorder-of-Deeds where users can search by name, parcel number, or subdivision. Recorded document images can be viewed online at no charge, with certified copies available for $10.00 for the first page and $2.00 for each additional page.

  • Property tax records and assessment information are managed by New Castle County Assessment Division and can be searched online through New Castle County's property search portal at assess.nccde.org.
  • Document recording fees are $50.00 for the first four pages and $5.00 per additional page for most instruments.
  • New Castle County uses the Parcel Viewer online GIS system allowing users to generate maps, view aerial photography, and access zoning information.
  • Same-day certified copies are available for in-person requests, while mail requests typically process within 3-5 business days.
87 Read's Way, New Castle, DE 19720

Vital Records

Birth and death certificates for New Castle County residents are issued by the Delaware Office of Vital Statistics, Division of Public Health, Jesse Cooper Building, 417 Federal Street, Dover, DE 19901 Birth certificates cost $25.00 for the first certified copy and $10.00 for each additional copy ordered simultaneously. Death certificates are $25.00 each. Processing time is typically 10-15 business days for mail requests. Expedited service is available for an additional $35.00 rush fee.

  • Online ordering is available through VitalChek at vitalchek.com for an additional service fee, with delivery in 5-7 business days or 2-3 business days for express service.
  • Eligible requestors include the registrant, immediate family members, legal representatives, and others with a direct and tangible interest as defined under 16 Del.
  • The marriage license fee is $50.00, with a 24-hour waiting period after issuance.
  • Certified copies of divorce decrees cost $10.00 and can be requested in person or by mail with proper identification.
  • The Office of Vital Statistics website at dhss.delaware.gov/dhss/dph/ss/vitlstat.html provides downloadable application forms and detailed instructions for ordering all vital records.
1200 North King Street, Wilmington, DE 19801

Business & Licensing

Business license and registration information for New Castle County is available through multiple agencies depending on the business type and location. The Delaware Division of Corporations, 401 Federal Street, Suite 4, Dover, DE 19901, maintains all corporate registrations, LLC formations, and trade name filings, with a searchable online database at icis.corp.delaware.gov. This free system allows searches by entity name or file number, displaying registered agents, formation dates, and status.

  • For doing-business-as (DBA) or fictitious name registrations, businesses file with New Castle Recorder of Deeds of Deeds at 87 Read's Way, New Castle, DE 19720, phone, at a cost of $50.00 for the initial filing.
  • New Castle County Department of Land Use, phone, issues building permits, occupancy permits, and handles zoning compliance for unincorporated areas, with fees varying by project scope.
  • New Castle County Chamber of Commerce, located at 12 Penns Way, Suite 201, New Castle, DE 19720, phone, website ncccc.com, provides resources for business owners and maintains business directories.
87 Read's Way, New Castle, DE 19720
861 Silver Lake Boulevard, Dover, DE 19904

Professional licenses are issued by the Delaware Division of Professional Regulation at 861 Silver Lake Boulevard, Dover, DE 19904, with online verification available at dpr.delaware.gov. Municipalities within New Castle County, including Wilmington and Newark, maintain their own business licensing requirements. Sales tax permits are not required as Delaware has no state sales tax.

Contractor licenses are regulated by the Delaware Division of Professional Regulation. Food service establishments require health permits from the Delaware Division of Public Health, with inspections coordinated through local offices. Online business entity searches through the Delaware Division of Revenue at revenue.delaware.gov provide tax registration information for businesses operating in New Castle County.

Elections & Voter Records

Elections in New Castle County are administered by New Castle County Department of Elections, located at New Castle County Government Center, 87 Read's Way, New Castle, DE 19720, phone, with information available at nccde.org/178/Elections. The department coordinates with the Delaware Department of Elections for statewide elections and maintains voter registration records, polling place assignments, and election results for New Castle County.

  • Voter registration is available online through the Delaware State Election Commissioner's Office at ivote.de.gov, by mail, or in person at the Department of Elections office.
  • Delaware offers no-excuse absentee voting; any registered voter may request an absentee ballot through the Delaware Voter Portal or by submitting a written request to the Department of Elections.
  • Absentee ballot requests must be received by the Friday before Election Day for mail delivery or can be requested in person through the Monday before Election Day.
  • § 10002, citizens can request copies of election documentation, poll books, and related records, though certain voter information is protected under 15 Del.

Delaware law requires registration at least 24 days before an election to be eligible to vote in that contest, as specified in 15 Del. C. § 2050.

Voters can verify their registration status, find their polling location, and view sample ballots through the Delaware Voter Portal at ivote.de.gov. In the November 2024 general election, New Castle County recorded approximately 67% voter turnout among registered voters, reflecting higher participation typical of presidential election years compared to midterm cycles which average 50-55%. Public election records include voter registration lists (available with restricted personal information), campaign finance reports filed with the Delaware Commissioner of Public Integrity, candidate filing information, and precinct-level election results available at elections.delaware.gov.

The next major election is scheduled for November 3, 2026, featuring U.S. House of Representatives races for Delaware's at-large congressional seat, potential U.S. Senate contests, Delaware General Assembly seats, and various county and municipal offices.

Early voting is available at designated locations beginning ten days before Election Day. Campaign finance records are searchable through the Delaware Public Integrity Commission database at depic.delaware.gov. Election results are posted on election night and certified results are published within 14 days.

Under Delaware's Freedom of Information Act, 29 Del. C. C.

§ 2072 to prevent misuse.

Economy & Demographics

New Castle County serves as Delaware's economic powerhouse, accounting for approximately 70% of the state's economic output. New Castle County's economy is heavily influenced by its status as home to more than 300,000 business entities incorporated in Delaware, with over two-thirds of Fortune 500 companies maintaining legal domiciles in the state due to favorable corporate law.

  • The median household income in New Castle County is approximately $72,000, well above the national average.

Major employers include JPMorgan Chase, Bank of America, Capital One, Barclays, Christiana Care Health System (the state's largest private employer with over 11,000 employees), and AstraZeneca pharmaceuticals. The chemical industry maintains a significant presence with DuPont's historical headquarters in Wilmington, though the company has since restructured. Key economic sectors include financial services and banking, healthcare and life sciences, chemical and pharmaceutical manufacturing, logistics and trade (supported by the Port of Wilmington), education (University of Delaware in Newark), and professional services.

The Port of Wilmington handles over 400 ships annually, specializing in fresh fruit imports, particularly bananas, making it the top banana port on the East Coast. Recent economic development has focused on the Wilmington Riverfront district, which has transformed former industrial land into mixed-use developments. The unemployment rate typically tracks below the national average, hovering around 4-5% in recent years.

Amazon operates a major fulfillment center in Middletown, employing over 1,000 workers. New Castle County benefits from proximity to the I-95 corridor connecting major East Coast markets and the Delaware Memorial Bridge linking to New Jersey. Tourism contributes modestly through historical attractions and the Christiana Mall, one of New Castle County's largest shopping centers.

Transparency Score

Court Records: Yes: Online | Property: Yes: Free Search | Arrest/Jail: Limited: Partial Online | Vital Records: Limited: State Office Required | Business: Yes: Online | Elections: Yes: Online | Overall Score: 7.5/10, New Castle County provides excellent online access to property records, court dockets, and business filings. Jail records require state DOC search, and vital records must be ordered through the state office in Dover, slightly limiting local accessibility.

Frequently Asked Questions

How can I search for someone recently arrested in New Castle County, Delaware?
To search for someone recently arrested in New Castle County, Delaware, you can use the inmate lookup tool provided by the Howard R. Young Correctional Institution. This facility is responsible for housing inmates in the county. You can access the Delaware Department of Correction's online inmate locator to find information about current detainees, including their charges and booking details.
Mugshots or booking photos in New Castle County, Delaware, can be obtained from the New Castle County Police Department. They may provide access to these records through their public information office or an online portal. However, availability and access to mugshots can vary, so it's recommended to contact the police department directly for specific procedures.
To obtain a criminal background check in New Castle County, Delaware, you need to contact the Delaware State Bureau of Identification (SBI). The SBI is responsible for processing background checks, and you can request one by visiting their office or through their online services. The process typically involves submitting fingerprints and paying a fee for the background check report.
You can look up sex offenders in New Castle County, Delaware, by accessing the Delaware Sex Offender Central Registry. This registry is maintained by the Delaware State Police and provides information on registered sex offenders, including their names, addresses, and offenses. The registry is available online and can be searched by name, location, or proximity to a specific address.
You can register to vote through the Delaware online voter registration portal at ivote.de.gov, in person at the New Castle County Department of Elections at 87 Read's Way in New Castle, or by mail using a paper application. Delaware requires registration at least 24 days before an election to be eligible to vote in that contest. The Department of Elections can be reached at (302) 577-3464 for assistance with registration, polling location information, and absentee ballot requests, which are available to all registered voters without requiring an excuse.
Property records are maintained by the New Castle Recorder of Deeds of Deeds and can be searched online for free at nccde.org/350/Recorder-of-Deeds for deeds, mortgages, liens, and other recorded documents. The county's property assessment and tax information is available through the online parcel search at assess.nccde.org, which provides GIS maps, assessment values, sales history, and tax records. Certified copies of recorded documents cost $10.00 for the first page and $2.00 for each additional page and can be requested in person at 87 Read's Way or by mail by calling (302) 395-5310.
Birth and death certificates for New Castle County residents are issued by the Delaware Office of Vital Statistics in Dover, not at the county level. Certificates cost $25.00 for the first copy and can be ordered by mail, in person at 417 Federal Street in Dover, or online through VitalChek at vitalchek.com. Processing takes approximately 10-15 business days for standard service, with expedited options available for additional fees. You must provide valid photo identification and proof of eligibility, as only immediate family members and authorized individuals can obtain certified copies under 16 Del. C. § 3101.
Business entity registrations are searchable through the Delaware Division of Corporations' free online database at icis.corp.delaware.gov, which includes corporations, LLCs, and partnerships. For DBA (doing business as) or fictitious name registrations specific to New Castle County, contact the Recorder of Deeds at (302) 395-5310, as these are filed at the county level. Local business licenses for operations within Wilmington, Newark, or other municipalities must be verified through those individual city offices, while professional licenses can be verified through the Delaware Division of Professional Regulation at dpr.delaware.gov.

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