Delaware Contractor Licensing

Trade-by-trade licensing requirements for Delaware, sourced directly from the state regulatory board and verified by the CLR Editorial Review Desk. We currently publish 14 published trade guides, with direct links to each underlying board, statute, or candidate bulletin.

Published guides: 14
Exam-backed: 11
Bond-backed: 3
Local / municipal: 4
Avg initial fee: $124

How licensing works in Delaware

Delaware is not a one-size-fits-all licensing market. Across the 14 guides currently live on this state hub, 11 require a formal trade examination and 3 require a surety bond before the credential can issue. 4 of the published entries rely on city, county, or municipal registration rather than a single statewide credential, so contractors need to confirm the local building department or business-license office before bidding work.

The point of this state page is to give you a fast read on the regulatory model before you dive into a specific trade. Start with the trades grid below if you already know your specialty. If you are comparing jurisdictions, use the cost calculator for first-year cost and the reciprocity matrix for license portability.

Main boards and agencies

Delaware Division of Professional Regulation

The Delaware Division of Professional Regulation administers the trade licensing boards for electricians, plumbers, HVACR, and master pipefitters. Delaware does not issue a state general contractor license — any person doing contracting work in Delaware must instead hold a Delaware Business License from the Division of Revenue.
Open agency site
Delaware Division of Revenue

The Division of Revenue issues the mandatory contractor business license and collects the contractors' gross receipts tax under Title 30, Chapter 25. This is a tax/revenue license, not a trade-competency credential. Delaware has no state contractor licensing board and no pool-specific classification. Local county and municipal building departments issue construction permits and enforce pool codes; the DHSS Division of Public Health permits public pools and spas for operation and plan review, not private pool construction.
Open agency site
Delaware Board of Home Inspectors

State board within the Delaware Division of Professional Regulation (DPR) that licenses and regulates home inspectors and trainees, sets competency standards, approves continuing education, issues temporary permits, and adjudicates complaints with disciplinary authority.
Open agency site

Licensed trades

Compare Delaware against other states

Every trade above also has a national comparison hub showing how Delaware's exam, bond, fee, and experience requirements stack up against the other 50 jurisdictions.

Best starting points in Delaware

Budget

Estimate first-year cost

Compare filing fees, bond premiums, insurance assumptions, and renewal cost before you apply.

Mobility

Check reciprocity pathways

See whether this state accepts NASCLA or uses bilateral reciprocity for the trade you hold now.

Research

Search related guides

Jump directly to linked state and trade pages if you are comparing multiple jurisdictions side by side.