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Delaware: no small-job exemption from the contractor registration
Delaware has no small-job exemption: every paid job needs its contractor registration. Plumbing, electrical and HVAC: state license. Read from Delaware's own pages, checked November 6, 2026.
The limit in Delaware
The limit: none. No handyman dollar exemption found. Delaware has no state general-contractor competency license, but every contractor (any job size) needs a Division of Revenue contractor business license and Department of Labor contractor registration. Plumbing, HVACR and electrical work need a state trade license regardless of job size.
What the law covers: "Contractor" includes every person engaged in the business of: a. Furnishing labor or both labor and materials in connection with all or any part of construction, alteration, repairing, dismantling or demolition of buildings ...
Licenses in Delaware
General contractors: State registration · not fully confirmed. No competency license for general contractors; a $75 Division of Revenue contractor business license (any value) plus Department of Labor Office of Contractor Registration before work begins. No Delaware home-improvement licensing law was found, but its absence was not fully checked.
Plumbing: State license. Master plumber license from the Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners (24 Del. C. § 1807); homeowner on own home exempt with a permit.
Electrical: State license. State license from the Board of Electrical Examiners (24 Del. C. § 1407).
HVAC: State license. Master HVACR / HVACR restricted license from the same Plumbing/HVACR board (24 Del. C. § 1820).
Your license number in Delaware
Your license number: Plumbers, HVACR and electrical contractors must show the number on vehicles. None of these rules names invoices.
In the rule's words: “The Board shall require that all persons licensed in plumbing and HVACR services display the words "Licensed Plumber" and/or "Licensed HVACR" and the license number assigned to them in not less than 3-inch letters and numbers on the vehicles used in the performance of their work.” (24 Del. C. § 1806(a)(12) (plumbers/HVACR); 24 Del. Admin. Code 1400-1.3 (electricians, except journeyperson/residential/apprentice) — vehicles only; no invoice/contract rule found)
Delaware's board, and when this was checked
The board: Delaware Division of Revenue (contractor business license); Division of Professional Regulation (plumbing, HVACR and electrical licenses). As of November 6, 2026.
This is a summary of each state's own pages as of November 6, 2026, not legal advice. Rules change, and cities and counties add licenses of their own. Check with your state's board, linked on this page, before you rely on it.
Compare Delaware with every state's limit.
Next door to Delaware
- Maryland: no small-job exemption
- New Jersey: no small-job exemption
- Pennsylvania: under $5,000 a year
Official sources for Delaware
10 of Delaware's own pages, each quoted with its link:
- 30 Del. C. § 2502 — Contractor license requirement (30 Del. C. § 2502(a)): “Any person desiring to engage in business in this State as a contractor shall obtain a license upon making application to the Division of Revenue and paying a fee of $75.”
- 30 Del. C. § 2501 — Definitions (30 Del. C. § 2501(1)): “"Contractor" includes every person engaged in the business of: a. Furnishing labor or both labor and materials in connection with all or any part of construction, alteration, repairing, dismantling or demolition of buildings”
- Division of Revenue — Contractors (Resident and Non-Resident): “Any contractors conducting business activity in Delaware are required to register with and obtain a business license from the Delaware Division of Revenue.”
- Delaware One Stop — Construction Contractors: “businesses who perform 'Construction Services' to also be registered with the Delaware Department of Labor's, Office of Contractor Registration BEFORE their work begins in the State”
- 24 Del. C. § 1807 — License required (plumbing) (24 Del. C. § 1807(a)): “A person shall not provide plumbing services in this State ... unless the person has been licensed as a master plumber under this chapter”
- 24 Del. C. § 1820 — License required (HVACR) (24 Del. C. § 1820(a)): “A person shall not provide HVACR or HVACR restricted services in this State nor hold oneself out to the public as being a master HVACR licensee or master HVACR restricted licensee”
- 24 Del. C. § 1407 — License required (electrical) (24 Del. C. § 1407(a)): “No person shall engage in the practice of providing electrical services ... unless such person has been duly licensed under this chapter.”
- DPR Plumbing/HVACR Board FAQs: “The Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration (HVACR) Examiners must issue you a license to so any plumbing or HVACR work in Delaware.”
- 24 Del. C. § 1806 — Authority of the Board (24 Del. C. § 1806(a)(12)): “The Board shall require that all persons licensed in plumbing and HVACR services display the words "Licensed Plumber" and/or "Licensed HVACR" and the license number assigned to them in not less than 3-inch letters and numbers on the vehicles”
- 24 Del. Admin. Code 1400 Board of Electrical Examiners (24 DE Admin. Code 1400-1.3): “Every individual who receives a license except journeyperson, residential, and apprentice electricians shall prominently display the words "Licensed Electrician" and the license number on the exterior of all vehicles used for work”
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