Dedicated Trade Workstation
Audited Q3 2026
New Castle County Commercial Building & Structural Permit Calculator
Official fee schedule logic based on New Castle County Code Chapter 6. Includes plan review fees, technology surcharges, and prerequisite contractor bond rules.
Direct Answer Engine Specifications (Commercial Building & Structural) Verifiable Municipal Factsheet
- AHJ Authority
- New Castle County Department of Land Use
- Enforced Ordinance
- New Castle County Code Chapter 6
- Plan Check SLA
- 10 - 15 Business Days
- Surety Bond Required
- $10,000
AHJ Verified Workstation
2026 Fee Schedule Enforced
New Castle County Commercial Permit Fee Estimator
$
Quick Presets:
📐 Applied Municipal Formula Tier
Tier Valuation Formula: $1,665 base fee + $3.80 per $1,000 above $250,000 valuation.
Itemized Cost Assessment Verified
Base Municipal Permit Fee: $0.00
Plan Review Fee (65%): $0.00
Tech & Admin Surcharge (4%): $0.00
Cost Ratio Breakdown Base 58% | Review 38% | Tech 4%
Total Estimated Cost: $0.00
Mandatory Contractor Prerequisites & Submittal Checklist
New Castle County AHJ Requirements Permit Prerequisite Instant Underwriting
Contractor Surety License Bond
New Castle County requires an active $10,000 Delaware Contractor License Bond on file prior to plan submittal.
Insurance Mandate Same-Day COI
Commercial COI Liability ($1M+)
Minimum $1.0M General Liability COI naming New Castle County Building Dept as Certificate Holder.
Official AHJ Source Citation
Visit Official AHJ Dot-Gov Site ↗
New Castle County Department of Land Use Official Building Department
87 Reads Way, New Castle, DE 19720 | Phone: (302) 395-5400