Data Sources & Accuracy
Official Delaware county zoning data with important verification guidelines
Data Accuracy Notice
Zoning data sourced from official Delaware county GIS systems and updated regularly.
- New Castle County: 999 verified districts from official ArcGIS REST API
- Sussex County: 63 verified districts from official ArcGIS REST API
- Kent County: Coming soon - integration in progress
- Zoning regulations can change - always verify before making property decisions
đ For the most current official information, contact:
âĸ New Castle County Planning: (302) 395-5400
âĸ Sussex County Planning: (302) 855-7878
âĸ Kent County Planning: (302) 744-2471
Official Data Sources
Delaware Zoning sources its data directly from official Delaware county GIS systemsthrough their public ArcGIS REST APIs. Our platform provides real-time access to the same zoning data used by county planning departments.
Current Coverage:
- â New Castle County: 999 verified zoning districts from official ArcGIS REST API
- â Sussex County: 63 verified zoning districts from official ArcGIS REST API
- âŗ Kent County: Integration in progress - coming soon
- â FEMA Flood Zones: Official National Flood Hazard Layer data
Data Status by County
| Data Type | Status | Source & Details |
|---|---|---|
| New Castle County Zoning | LIVE â | 999 districts via official ArcGIS REST API |
| Sussex County Zoning | LIVE â | 63 districts via official ArcGIS REST API |
| Kent County Zoning | PENDING | Integration in progress - coming soon |
| FEMA Flood Zones | LIVE â | National Flood Hazard Layer (official federal data) |
| Detailed Regulations | EXPANDING | Permitted uses, setbacks, and requirements being added progressively |
Note: While our zoning district boundaries are sourced from official county GIS systems, detailed regulations (permitted uses, dimensional standards, permit requirements) are being added progressively. Always verify specific requirements with the appropriate county planning office before making property decisions.
â ī¸ Important: Always Verify Before Acting
While our data comes from official sources, zoning regulations can change frequently. Always verify with the appropriate county planning office before:
- âĸPurchasing property - Confirm zoning status and any pending changes
- âĸApplying for permits - Verify current dimensional standards and requirements
- âĸMaking financial commitments - Ensure proposed use is currently permitted
- âĸSubmitting development plans - Use official county zoning maps for legal submissions
- âĸAdvising clients - Real estate professionals should verify all information independently
Legal Notice: Delaware Zoning provides information for preliminary research and planning purposes only. This information does not constitute legal, financial, or professional advice. Zoning regulations are subject to change, and interpretations may vary. Always consult with appropriate county officials and qualified professionals before making property-related decisions.
â How to Use Delaware Zoning Effectively
- âPreliminary research - Quickly identify zoning districts for properties you're considering
- âProperty comparison - Compare zoning requirements across multiple locations
- âDue diligence starting point - Use as a first step before contacting planning offices
- âSite selection - Filter potential properties by zoning characteristics
- âClient education - Help clients understand zoning basics (with verification)
- âTime savings - Reduce trips to county offices by pre-screening properties
- âPDF reports - Generate professional reports for your records (subject to verification)
Best Practice: Use Delaware Zoning for initial research and property screening, then verify all critical information directly with the appropriate county planning office before making decisions.
đ Where to Get Official Zoning Information
New Castle County
Planning Division
đ (302) 395-5400
đ newcastlede.gov/planning
đ 87 Reads Way, New Castle, DE 19720
City of Wilmington
Department of Land Use & Planning
đ (302) 576-3050
đ§ luppermits@wilmingtonde.gov
đ 800 N. French Street, 3rd Floor
Data Updates & Maintenance
We maintain data accuracy through regular synchronization with county GIS systems and continuous monitoring of regulatory updates.
Update Schedule:
- Zoning District Boundaries: Synced daily from county GIS APIs
- Flood Zone Data: Updated quarterly from FEMA
- Regulatory Details: Monitored continuously, updated as changes are identified
- Municipal Ordinances: Reviewed monthly for amendments
Data Limitations: While we strive for accuracy, there may be brief delays between when counties update their systems and when changes appear in our platform. Additionally, some detailed regulations (specific permitted uses, dimensional standards) are being added progressively county by county.
Coming Soon:
- âĸ Kent County zoning district integration
- âĸ Enhanced municipal overlay district data
- âĸ Historical zoning change tracking
- âĸ Pending zoning amendment notifications
Questions About Our Data?
If you have questions about our data sources, found a discrepancy, or need help understanding zoning information for a specific property, we're here to help.
Found an error? We appreciate user feedback to improve data accuracy.