Delaware home permit planning notes
County and municipal review can overlap. Coastal zones, floodplain, septic, manufactured structures, and HOA rules deserve early checks.
What to verify locally
- Whether your property is inside city limits or unincorporated county territory
- Which office handles zoning approval versus building permits
- Whether trade permits must be pulled by licensed contractors
- Whether HOA, historic, coastal, floodplain, wildfire, or utility approval applies
Local guides in Delaware
New Castle County Delaware Residential Permit Guide
New Castle County homeowners should check eServices, Land Use, and building inspections before starting new construction, alterations, interior or exterior improvements, repairs, demolition, utility work, or site changes.
New Castle County, DelawareNew Castle County Delaware Deck and Inspection Guide
New Castle County deck, pool, footing, foundation, grading, framing, weather barrier, and final inspection projects should be planned around the county inspection checklist system.
Kent County, DelawareKent County Delaware Building Permit Guide
Kent County homeowners should check MyGovernmentOnline, adopted code guidance, floodplain rules, plot plan requirements, and municipal approvals before starting construction, additions, demolition, or renovation.
Kent County, DelawareKent County Delaware Deck Shed and Pool Permit Guide
Kent County decks, sheds, accessory structures, pools, finished basements, solar panels, retaining walls, and floodplain projects should be checked against the county permitting requirement list.
Sussex County, DelawareSussex County Delaware Building Permit Guide
Sussex County homeowners should check the Building Permit Office, Building Code Office, sediment and stormwater requirements, and county inspection process before construction, additions, remodeling, or alterations.
Sussex County, DelawareSussex County Delaware Inspection and Flood Zone Guide
Sussex County homeowners should plan inspections around approved plans, third-party reports, final zoning, septic, DelDOT, grading, energy, and flood-zone documents before work is covered or occupied.
Dover, DelawareDover Delaware Planning and Inspections Permit Guide
Dover homeowners should check Planning and Inspections before new construction, demolition, renovation, roofing, siding, solar panels, fences, pools, sheds, plumbing, heating, public occupancy, or zoning verification.
Dover, DelawareDover Delaware Residential Inspection and Occupancy Guide
Dover residential projects should be planned around building, electric, plumbing, mechanical, planning, zoning, utilities, fire, and certificate-of-occupancy steps before the work is considered complete.
Newark, DelawareNewark Delaware Building Permit Guide
Newark homeowners should check Code Enforcement before building, installing, repairing, replacing, renovating, changing use, converting space, or adding trade systems.
Newark, DelawareNewark Delaware Fence Shed and Conversion Permit Guide
Newark fences, sheds, pools, driveways, deck covers, HVAC systems, water heaters, electrical changes, and basement or garage conversions should be checked before work starts.
Wilmington, DelawareWilmington Delaware Construction and Development Permit Guide
Wilmington homeowners should check construction and development review before new structures, changes to existing structures, demolition, repairs, electrical, plumbing, mechanical, zoning, public works, or fire review.
Wilmington, DelawareWilmington Delaware Historic Exterior and Public Works Permit Guide
Wilmington exterior work, fences, windows, doors, demolition, historic district changes, public-way impacts, sewer, stormwater, water, and street closure items should be checked before filing a basic building permit.
Projects to check first
| Project | Why it matters |
|---|---|
| Shed Permit | Usually required once the shed exceeds a local size threshold, has a permanent foundation, includes utilities, or violates zoning setbacks. |
| Fence Permit | Often required for tall fences, front-yard fences, corner lots, pool barriers, retaining-wall combinations, and historic districts. |
| Deck Permit | Almost always required for attached decks, elevated decks, structural repairs, and decks with stairs or guards. |
| EV Charger Permit | Usually required for Level 2 hardwired chargers, panel upgrades, new circuits, and garage wiring changes. |
| Solar Permit | Almost always required. Solar normally needs building/electrical permits and separate utility interconnection approval. |
| Bathroom Remodel Permit | Often required when plumbing, electrical, framing, ventilation, or waterproofing systems are changed. |
| HVAC Replacement Permit | Usually required for furnace, condenser, heat pump, major duct, gas line, and equipment-location changes. |
| Basement Finishing Permit | Usually required when unfinished space becomes habitable, especially with bedrooms, bathrooms, or new walls. |
Best first call
Start with the city building department if the property is inside city limits. If not, call the county building or planning office and ask which authority has jurisdiction for zoning, building, and trade inspections.