On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Sussex County
All new construction, remodeling, additions including single- and multi-family dwellings, commercial construction, accessory structures (sheds, gazebos, pergolas, carports, playhouses, detached garages, pole buildings), agricultural buildings, greenhouses, pools, solar panel installations, retaining walls, and manufactured homes. Minimum threshold: fair value of construction must exceed $300.
Construction with a fair value of less than $300
Carports less than 400 square feet (excluded from inspections, though a permit may still be required—confirm with office)
Automatic fire sprinkler systems in one- and two-family dwellings and townhouses (exempted from sprinkler mandate, not from general building permit)
Routine maintenance not involving structural work
- Exempt Construction with a fair value of less than $300
- Exempt Carports less than 400 square feet (excluded from inspections, though a permit may still be required—confirm with office)
- Exempt Automatic fire sprinkler systems in one- and two-family dwellings and townhouses (exempted from sprinkler mandate, not from general building permit)
- Exempt Routine maintenance not involving structural work
Note: Exempt from building permit does not mean exempt from other applicable requirements. Confirm specific items with the Building Code Office before proceeding.
Required documents
- Completed permit application worksheets
- Construction plans (scale drawings)
- Residential Standard Plan/Sediment and Erosion Control Plan for projects disturbing 5,000+ square feet
- Municipal approval letter if applicable for projects in municipalities that require pre-approval
- Building code
- 2021 International Building Code (IBC) Chapters 1-26 and 35; 2021 International Residential Code (IRC) Chapters 1-10. Adopted August 9, 2022, effective January 1, 2023.
- Permit validity
- Not publicly specified; contact office for current rules.
- Owner-builder
- Not detailed on public pages; contact office.
- Contractor requirements
- State of Delaware contractor license required.
§ 03
Application process
Typical processing: Not publicly specified; contact office for current timelines.
- 01 Determine if your project requires a permit by reviewing county requirements or contacting the Building Code Office.
- 02 Obtain and complete the appropriate permit application worksheets from the county website.
- 03 For projects disturbing 5,000 square feet or more, obtain a Residential Standard Plan (Sediment and Erosion Control Plan) before any site disturbance.
- 04 Prepare construction plans meeting county standards.
- 05 Submit completed application with plans, required documents, and fees in person at 2 The Circle, Georgetown.
- 06 Plans are reviewed by Building Code staff.
- 07 Permit is issued upon approval; permit must be posted on the job site.
- 08 Schedule inspections at each required construction stage via the Self Service Portal or by phone.
- 09 Obtain final inspection and certificate of occupancy or completion upon project completion.
Typical processing time: Not publicly specified; contact office for current timelines.
§ 04
Fee schedule
Sussex County building permit fees
Fee type
Amount
01
Plan check fee
Included in permit fee structure.
02
Permit fee formula
Fees set annually as part of county budget; valuation-based for most permit types.
Payment due at time of permit issuance at Georgetown office.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Self Service Portal (online)
- (302) 855-7720 (phone)
- Inspection hours
- 8:30 AM - 4:30 PM, Monday-Friday
Typical sequence: Typical sequence: Foundation/footing, framing, rough-in (electrical/plumbing/mechanical), insulation, final inspection.
§ 06
Frequently asked
Common questions about unincorporated Sussex County permits
01 Do I need a building permit in unincorporated Sussex County, DE? ▸
All new construction, remodeling, additions including single- and multi-family dwellings, commercial construction, accessory structures (sheds, gazebos, pergolas, carports, playhouses, detached garages, pole buildings), agricultural buildings, greenhouses, pools, solar panel installations, retaining walls, and manufactured homes. Minimum threshold: fair value of construction must exceed $300.
02 How much does a building permit cost in unincorporated Sussex County, DE? ▸
Building permit fees in unincorporated Sussex County, DE are set by the local building department and vary by project type and valuation. Fees are calculated as: Fees set annually as part of county budget; valuation-based for most permit types.. Plan check fee: Included in permit fee structure..
03 How do I apply for a building permit in unincorporated Sussex County, DE? ▸
To apply for a building permit in unincorporated Sussex County, DE, follow these steps: 1. Determine if your project requires a permit by reviewing county requirements or contacting the Building Code Office. 2. Obtain and complete the appropriate permit application worksheets from the county website. 3. For projects disturbing 5,000 square feet or more, obtain a Residential Standard Plan (Sediment and Erosion Control Plan) before any site disturbance. 4. Prepare construction plans meeting county standards. 5. Submit completed application with plans, required documents, and fees in person at 2 The Circle, Georgetown. 6. Plans are reviewed by Building Code staff. 7. Permit is issued upon approval; permit must be posted on the job site. 8. Schedule inspections at each required construction stage via the Self Service Portal or by phone. 9. Obtain final inspection and certificate of occupancy or completion upon project completion.
04 How long does it take to get a building permit in unincorporated Sussex County, DE? ▸
Building permit processing times in unincorporated Sussex County, DE typically run Not publicly specified; contact office for current timelines.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Sussex County, DE? ▸
Not all construction work requires a permit in unincorporated Sussex County, DE. The following work is generally exempt: Construction with a fair value of less than $300; Carports less than 400 square feet (excluded from inspections, though a permit may still be required—confirm with office); Automatic fire sprinkler systems in one- and two-family dwellings and townhouses (exempted from sprinkler mandate, not from general building permit); Routine maintenance not involving structural work. Note: Exempt from building permit does not mean exempt from other applicable requirements. Confirm specific items with the Building Code Office before proceeding. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Sussex County, DE? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Sussex County, DE via: Self Service Portal, (302) 855-7720.
last verified April 2026
source Sussex County Building Code Office ↗
entry id permits/delaware/sussex/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Sussex County Building Code Office before applying. Jaspector is not legal advice.