New Castle, DE — 2026 Building Permit Guide

On this page 6

§ 01

Permit authority

Building and Zoning Department

Street address

City Administration Building, 220 Delaware Street, New Castle, DE 19720

Phone

(302) 322-9801

jbergstrom@newcastlecity.delaware.gov (Building Official)

Coverage

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.

Website

Department website

§ 02

When a permit is required

Permit triggers and exempt work for New Castle

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.

Note: Not specifically listed in available public materials. Contact (302) 322-9801 or jbergstrom@newcastlecity.delaware.gov for confirmation.

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)

Building code: Not confirmed from available public-facing materials; contact (302) 322-9801 or jbergstrom@newcastlecity.delaware.gov.
Permit validity: Not specified in available public materials; contact (302) 322-9801.
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.

§ 03

Application process

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

01

Download the Building Permit Application from the city website or pick up at City Hall, 220 Delaware Street, 1st floor
02

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)
03

Submit completed applications with supporting documents at the public services counter
04

Plans are reviewed and permit is approved or corrections are requested
05

Pay applicable fees
06

Permit is issued; post on site
07

Schedule inspections with the Building Official as work progresses

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

Source: Building and Zoning Department ↗

§ 04

Fee schedule

Effective Current

Fee type

Amount

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.

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 periodically. Confirm at the official fee schedule ↗ (effective Current) before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule

(302) 322-9813 (phone)

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

Typical sequence: Not specified in available public materials.

§ 06

Frequently asked

Common questions about New Castle permits

01 Do I need a building permit in New Castle, DE? ▸

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

Building permit fees in New Castle, DE are set by the local building department and vary by project type and valuation. 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.

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

To apply for a building permit in New Castle, DE, follow these steps: 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

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

Building permit processing times in New Castle, DE typically run Not published; contact (302) 322-9801.. Timelines can vary based on project complexity and current department workload.

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

Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in New Castle, DE via: (302) 322-9813.

last verified April 2026 source Building and Zoning Department ↗ entry id permits/delaware/new-castle/new-castle-city

Report a correction

Educational reference. Permit rules and fees change — confirm current requirements directly with Building and Zoning Department before applying. Jaspector is not legal advice.

City of New Castle

Other jurisdictions in New Castle County.