How much does a building permit cost in New Castle, DE?

The minimum permit fee is $50. Fees are calculated as: Flat fees by project type: Residential permits (except new construction) = $50; Commercial, industrial, and new residential construction = $100; Zoning verification = $100; Temporary compliance certificate = $50; Subdivision filing fee = $500 plus additional charges per lot/unit; Downtown Development District (DDD) exemption: No permit fee required for certain sidewalk improvements for properties in the DDD under 22 Del. C. ss 1901 et seq.. Plan check fee: Not specified separately; confirm with department.

How do I apply for a building permit in New Castle, DE?

1. Download the Building Permit Application from the city website or pick up at City Hall, 220 Delaware Street, 1st floor 2. If the property is in the Historic District, also download and complete the Historic Area Commission (HAC) Review Application. HAC approval must be obtained BEFORE a building permit is issued for all work in the Historic District (residential or commercial) 3. Submit completed applications with supporting documents at the public services counter 4. Plans are reviewed and permit is approved or corrections are requested 5. Pay applicable fees 6. Permit is issued; post on site 7. Schedule inspections with the Building Official as work progresses

How long does it take to get a building permit in New Castle, DE?

Typical processing time is Not published; contact (302) 322-9801..

How do I schedule a building inspection in New Castle, DE?

Inspections can be scheduled via: (302) 322-9813.

City Building Permits

New Castle, DE - 2026 Building Permit Guide

How to apply for a building permit in New Castle, Delaware. Permit authority, application steps, fees, and inspection requirements.

Delaware New Castle County Updated March 2026

Permit Authority

The City of New Castle (historic city) is separate from New Castle County government. It is a small, historic municipality distinct from the county seat area. All work within city limits falls under city jurisdiction.

Department: Building and Zoning Department
Address: City Administration Building, 220 Delaware Street, New Castle, DE 19720
Phone: (302) 322-9801
Email: jbergstrom@newcastlecity.delaware.gov (Building Official) , mlevine@newcastlecity.delaware.gov (Building and Code Secretary)
Website: https://newcastlecity.delaware.gov/building-zoning/

Application Process

Download the Building Permit Application from the city website or pick up at City Hall, 220 Delaware Street, 1st floor
If the property is in the Historic District, also download and complete the Historic Area Commission (HAC) Review Application. HAC approval must be obtained BEFORE a building permit is issued for all work in the Historic District (residential or commercial)
Submit completed applications with supporting documents at the public services counter
Plans are reviewed and permit is approved or corrections are requested
Pay applicable fees
Permit is issued; post on site
Schedule inspections with the Building Official as work progresses

Typical processing time: Not published; contact (302) 322-9801.

Source: Building and Zoning Department

General Requirements

Any construction to build, alter, or enlarge any structure within city limits. This includes construction, alteration, building, earth moving operations in the floodplain. Code interpretation provided by the Building Official.

Required Documents

Completed Building Permit Application
Construction plans/drawings
Site plan
Project valuation
HAC Review Application (for Historic District properties)
EPA RRP compliance documentation (for pre-1978 residential work)

Permit validity: Not specified in available public materials; contact (302) 322-9801.
Building code: Not confirmed from available public-facing materials; contact (302) 322-9801 or jbergstrom@newcastlecity.delaware.gov.
Owner-builder: Not specified in available public materials.
Contractor requirements: Not specified in available public materials; presumed to require state contractor licensing. Confirm with (302) 322-9801.

Fees

Minimum permit fee: $50
Plan check fee: Not specified separately; confirm with department
Permit fee formula: Flat fees by project type: Residential permits (except new construction) = $50; Commercial, industrial, and new residential construction = $100; Zoning verification = $100; Temporary compliance certificate = $50; Subdivision filing fee = $500 plus additional charges per lot/unit; Downtown Development District (DDD) exemption: No permit fee required for certain sidewalk improvements for properties in the DDD under 22 Del. C. ss 1901 et seq.
Payment note: In person at public services counter, 220 Delaware Street. Office hours: 8:30 a.m. to 4:30 p.m., Monday through Friday.

Fees change. Verify current amounts at the official fee schedule (effective Current).

Work That Does NOT Require a Permit

Contact the Building and Zoning Department to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

(302) 322-9813 (phone)

Inspection hours: Office hours 8:30 a.m. to 4:30 p.m., Monday through Friday

Typical inspection sequence: Not specified in available public materials.

Additional Resources

Building code: Not confirmed from available public-facing materials; contact (302) 322-9801 or jbergstrom@newcastlecity.delaware.gov.
Zoning information: View zoning info
Owner-builder rules: View rules
Historic Area Commission Information
License lookup guide: Delaware Contractor License Requirements
Contract template: Delaware Homeowner-Contractor Agreement
Delaware hub: Delaware Contractor License & Permit Hub

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Building and Zoning Department before applying.

Frequently Asked Questions

New Castle Building Permit FAQ

Do I need a building permit in New Castle, DE?: Any construction to build, alter, or enlarge any structure within city limits. This includes construction, alteration, building, earth moving operations in the floodplain. Code interpretation provided by the Building Official.
How much does a building permit cost in New Castle, DE?: The minimum permit fee is $50. Fees are calculated as: Flat fees by project type: Residential permits (except new construction) = $50; Commercial, industrial, and new residential construction = $100; Zoning verification = $100; Temporary compliance certificate = $50; Subdivision filing fee = $500 plus additional charges per lot/unit; Downtown Development District (DDD) exemption: No permit fee required for certain sidewalk improvements for properties in the DDD under 22 Del. C. ss 1901 et seq.. Plan check fee: Not specified separately; confirm with department.
How do I apply for a building permit in New Castle, DE?: 1. Download the Building Permit Application from the city website or pick up at City Hall, 220 Delaware Street, 1st floor 2. If the property is in the Historic District, also download and complete the Historic Area Commission (HAC) Review Application. HAC approval must be obtained BEFORE a building permit is issued for all work in the Historic District (residential or commercial) 3. Submit completed applications with supporting documents at the public services counter 4. Plans are reviewed and permit is approved or corrections are requested 5. Pay applicable fees 6. Permit is issued; post on site 7. Schedule inspections with the Building Official as work progresses
How long does it take to get a building permit in New Castle, DE?: Typical processing time is Not published; contact (302) 322-9801..
How do I schedule a building inspection in New Castle, DE?: Inspections can be scheduled via: (302) 322-9813.

Need help with your project?

Navigating permits in New Castle can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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