New Castle City Phone Directory
The New Castle Phone Directory gives you the main city lines for the historic downtown. Please note that this page covers the City of New Castle, the small riverfront municipality, not the larger New Castle County. The city sits about ten minutes south of Wilmington and runs its own phone list for city hall, police, public works, and the Mayor's office. Use this guide to find the right contact numbers fast. Every phone number listed is for city staff, city clerks, or city officials who work at 220 Delaware Street or at city facilities nearby.
City of New Castle Overview
New Castle Phone Directory Hub
The hub for the City of New Castle Phone Directory sits at newcastlecity.delaware.gov. City Hall is at 220 Delaware Street, New Castle, DE 19720. The main line is (302) 322-9801. Historic New Castle is known as the oldest continuously occupied town in the Delaware Valley. It overlooks the Delaware River and is just ten minutes south of downtown Wilmington. You can get here easily from I-95 and I-295.
The city homepage is shown here for a quick reference point.
The site has three main sections: Living in New Castle, Visiting in New Castle, and Business in New Castle. Each one links to phone contacts, forms, and local news. Use the site to start any city records search or to pull a staff line.
Mayor and Council Phone Numbers
The Mayor and Council page lives at newcastlecity.delaware.gov/mayor-and-council. Mayor Valarie Leary serves a term ending August 2027. Her office line is (302) 322-9801 with a fax of (302) 322-9814. Her email is vleary@newcastlecity.delaware.gov. Council President Suzanne Souder holds a term ending April 2029 and can be reached at ssouder@newcastlecity.delaware.gov.
A view of the Mayor and Council directory page is shown next.
Each of the four other Council members also uses the main (302) 322-9801 line. Councilperson Nermin Zubaca (term ending April 2027) uses nzubaca@newcastlecity.delaware.gov. Joseph F. Day III (April 2029) is at jday@newcastlecity.delaware.gov. Brian Mattaway (April 2027) can be reached at bmattaway@newcastlecity.delaware.gov. Andrew H. Zeltt (April 2029) uses azeltt@newcastlecity.delaware.gov. City Treasurer James Whisman shares the main office line. City Clerk Courtaney Taylor has a direct line at (302) 322-9804 with fax (302) 322-9814.
Note: The four-year staggered terms on City Council mean two seats are up for election each odd year, so check the city site near election dates.
City Administration Phone Line
The City Administration page is at newcastlecity.delaware.gov/administration. Antonina Tantillo is the City Administrator. Her direct office line is (302) 322-9812 with fax (302) 322-9814. Her email is atantillo@newcastlecity.delaware.gov. She oversees day-to-day city operations and also serves as the FOIA Coordinator for the City of New Castle.
The City Administration page is shown below.
For any issue that crosses more than one department, the City Administrator is the right first stop. She routes calls to the right desk and tracks city projects from start to close. Staff at 220 Delaware Street take walk-ins Monday through Friday, 8:30 a.m. to 4:30 p.m.
New Castle City Contact Numbers
The full city contact page lives at newcastlecity.delaware.gov/contact-form. It lists every city facility with its own phone, fax, and hours. The page also has a web form for notes and questions. Three main city sites show on the page. Each has its own main number and hours of work.
A view of the city contact page is shown here.
Key city facility contacts include:
- Administration Building, 220 Delaware Street: (302) 322-9801, Tax Line (302) 322-9804, Fax (302) 322-9814
- Trolley Barn (Public Services), 900 Wilmington Road: (302) 322-9813, Fax (302) 323-2144
- Police Station, 1 Municipal Boulevard: (302) 322-9800, Fax (302) 322-9825
- Police Non-Emergency: (302) 573-2800
- All Emergencies: 911
The Public Works Window at 220 Delaware Street is open Monday through Friday from 8:30 a.m. to 4:30 p.m. The Trolley Barn keeps the same open hours. Call (302) 322-9801 for Building Permits, Business Licenses, No Parking Signs, and Special Trash Pick up requests. The city prohibits discrimination against qualified individuals with disabilities across all city programs and services.
Finance and HR Phone Directory
The Finance, Administration, and Human Resources page is at newcastlecity.delaware.gov/finance-administration-and-human-resources. The Finance Department runs city banking, the prep and pay of bills, the collection of revenue (including property taxes), and the upkeep of financial, grants, and budget records. The city operating budget is $10.7 million. Finance tracks that budget with Edmunds MCSJ software.
A view of the Finance and HR page is shown next.
Courtaney Taylor is the Finance Coordinator. Her direct line is (302) 322-9804 with email ctaylor@newcastlecity.delaware.gov. The city fiscal year runs July 1 through June 30. The property tax rate was set at $.35635499 per $100 of assessed value on June 26, 2025 for FY2026. Tax bills go out in mid-July. Pay by August 29 to get a 2% discount. Penalties kick in at 1.5% on October 1, another 1.5% on November 1, a 6% bump on December 1, and 1% monthly interest past that.
The city offers an Over-65 property tax exemption and a Disability exemption. Both need residency plus income caps of $25,000 single or $50,000 married. Proof of disability is needed for the second one. Applications are done in person. Contact Diane Delgado at 322-9804 to start. Interview slots are set from January 15 through May 1 each year. The HR team works through ADP for payroll (since June 2014) and also covers recruiting, hiring, background work, safety training, and FOP and AFSCME union compliance. Reach HR at 322-7489.
Note: The city calendar lines up with most DE-wide fiscal schedules, so budget questions are best asked before the end of June each year.
Public Services Phone Contacts
The Public Services page sits at newcastlecity.delaware.gov/public-services. The counter is at 220 Delaware Street and is open 8:30-4:30 Monday through Friday. Staff at this desk take Building Permits, Business Licenses, Rental Licenses, Historic Area Commission Review items, Special Trash Pickup slips, Code Violation Forms, and No Parking Requests.
The Public Services page is shown here.
Jeffrey A. Bergstrom serves as Building Official and Fire Marshal. His office line is (302) 322-9813 with fax (302) 323-2144. His email is jbergstrom@newcastlecity.delaware.gov. Marika Levine is the Building & Code Secretary. She sits at 220 Delaware Street and her office line is (302) 322-9801 with fax (302) 322-9814. Any business in New Castle, or any contractor doing work in the city, must get a New Castle City Business License. Any owner with rental units needs a Rental Housing Business License. The city uses expedited permitting to help small firms move fast.
FOIA Request Phone Directory
The city FOIA page sits at newcastlecity.delaware.gov/foia. Delaware FOIA rules come from 29 Del. C. §§ 10001-10006. The form on the page asks for the name of the public body, your name, the request date, street, city, state, zip, email, phone, and the records you want.
A view of the city FOIA form page is shown below.
Within 15 business days the city must give you the records, deny your request, or note that extra time is needed. Be as exact as you can when you list the records you want. Give types, dates, parties, and subject. City Administrator Antonina Tantillo is the FOIA Coordinator. Fees may apply, and the city can ask you to view records in person. A FOIA request or petition may itself be a public record under 29 Del. C. §§ 10001-10006. Requests for large record sets may be delayed.
Important New Castle Phone Numbers
The Important Numbers and Emergency Contact page is at newcastlecity.delaware.gov/important-numbers-and-emergency-contact-information. Save these numbers for quick reach. The police main line is (302) 322-9800. Non-emergency police use (302) 573-2800. Fire and medical go through 911. The city main number is (302) 322-9801. The tax line is (302) 322-9804.
The Important Numbers page is shown here.
New Castle is a great place to live, work, and play. The city has a thriving historic downtown plus open spaces like Battery Park, multiple playgrounds, trails, nature areas, tennis courts, a sailing club, a library, and local museums. The city is business-friendly with expedited permitting, community policing, and competitive and reliable electric and water service. Three business parks serve the area, plus shopping centers and historic downtown sites. For any service question or to book a site tour, start at (302) 322-9801.
Note: Delaware FOIA rules on phone logs and email trails also apply to city staff, so a written request may be needed to get call logs.
New Castle County Phone Directory
The City of New Castle sits inside New Castle County. For county-level lines like Land Use, the Recorder of Deeds, the County Council, and county FOIA, see the county phone page.
Nearby Cities
Other cities near New Castle each run their own city phone list. Pick a city below to move to its page.