States
CaliforniaAvailable
FloridaAvailable
ArizonaAvailable
TexasAvailable
GeorgiaAvailable
NevadaAvailable
ColoradoAvailable
WashingtonAvailable
North DakotaAvailable
MaineAvailable
MarylandAvailable
MassachusettsAvailable
AlabamaAvailable
OhioAvailable
OklahomaAvailable
OregonAvailable
PennsylvaniaAvailable
Rhode IslandAvailable
South CarolinaAvailable
New HampshireAvailable
MichiganAvailable
VermontAvailable
IdahoAvailable
LouisianaAvailable
MinnesotaAvailable
MississippiAvailable
AlaskaAvailable
VirginiaAvailable
ArkansasAvailable
New YorkAvailable
South DakotaAvailable
North CarolinaAvailable
TennesseeAvailable
IllinoisAvailable
UtahAvailable
New JerseyAvailable
ConnecticutAvailable
DelawareAvailable
HawaiiAvailable
IndianaAvailable
IowaAvailable
KansasAvailable
KentuckyAvailable
MissouriAvailable
MontanaAvailable
NebraskaAvailable
New MexicoAvailable
West VirginiaAvailable
WisconsinAvailable
WyomingAvailable
All states →
Projects
253 project guides — open the list

Official Fee Schedule

Credential / DescriptionFee TypeAmountAuthoritySource
Master Electrician Biennial Renewal Fee
Biennial renewal of Master Electrician license
renewal$153de:dpr-elecSRC-DE-24-1400
Master Plumber Application Fee
Initial application for Master Plumber license
application$171de:dpr-plumbSRC-DE-24-1800
Master HVACR Contractor Application Fee
Initial application for Master HVACR license
application$171de:dpr-plumbSRC-DE-24-1800
New Castle County Contractor Annual Registration Fee
Annual contractor licensing registration in New Castle County Department of Land Use
license$150de:ncc-landuseSRC-DE-NCC-CODE
Master Electrician Application & License Fee
Initial application and biennial license fee for Master Electricians via DPR portal
application$153de:dpr-elecSRC-DE-24-1400
Master Plumber Biennial Renewal Fee
Biennial renewal of Master Plumber license
renewal$171de:dpr-plumbSRC-DE-24-1800
Delaware Division of Revenue Contractor Annual License Fee
Mandatory annual contractor business license for resident and non-resident contractors
license$75de:dorSRC-DE-30-2501

Renewal Intervals & Continuing Education

de:dor-contractor

Renewal Cycle: Every 12 months (Annual).

Late Policy: 30 Del. C. § 2501 requires annual license renewal before commencement of subsequent year work.

Annual state tax registration cycle.

de:master-electrician

Renewal Cycle: Every 24 months (Biennial).

Continuing Education: 10 hours approved continuing education per 2-year cycle.

Late Policy: Delaware DPR late renewal grace period within 60 days with penalty.

Expires June 30 of even years.

de:master-plumber

Renewal Cycle: Every 24 months (Biennial).

Continuing Education: Continuing education as approved by Board.

Late Policy: Delaware DPR late renewal window.

Expires October 31 of even years.

Verification Sources

SRC-DE-24-1400statute
Delaware Board of Electrical Examiners — Division of Professional Regulation
24 Del. C. ch. 14 — Electrical Contractors and Electricians
https://delcode.delaware.gov/title24/c014/index.html
verified 2026-10-12retrieved 2026-10-12
SRC-DE-24-1800statute
Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners
24 Del. C. ch. 18 — Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners
https://delcode.delaware.gov/title24/c018/index.html
verified 2026-10-12retrieved 2026-10-12
SRC-DE-30-375statute
Delaware Division of Revenue — Department of Finance
30 Del. C. § 375 — Nonresident Contractor Bonding Requirement
https://delcode.delaware.gov/title30/c003/index.html#375
verified 2026-10-12retrieved 2026-10-12
SRC-DE-30-2501statute
Delaware Division of Revenue — Department of Finance
30 Del. C. § 2501 — Contractor License Definition and Requirements
https://delcode.delaware.gov/title30/c025/index.html
verified 2026-10-12retrieved 2026-10-12
SRC-DE-DOR-PORTALboard page
Delaware Division of Revenue — Department of Finance
Delaware One Stop Business Licensing Portal (revenue.delaware.gov)
https://onestop.delaware.gov/
verified 2026-10-12retrieved 2026-10-12
SRC-DE-DPR-ELECregulation
Delaware Board of Electrical Examiners — Division of Professional Regulation
24 DE Admin. Code 1400 — Rules and Regulations of the Board of Electrical Examiners
https://regulations.delaware.gov/AdminCode/title24/1400.shtml
verified 2026-10-12retrieved 2026-10-12
SRC-DE-DPR-PLUMBregulation
Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners
24 DE Admin. Code 1800 — Rules of the Board of Plumbing, HVAC and Refrigeration Examiners
https://regulations.delaware.gov/AdminCode/title24/1800.shtml
verified 2026-10-12retrieved 2026-10-12
SRC-DE-NCC-CODEstatute
New Castle County Department of Land Use — Contractor Licensing & Building Permitting
New Castle County Building Code Chapter 6 — Contractor Licensing & Permitting
https://www.newcastlede.gov/176/Contractor-Licensing
verified 2026-10-12retrieved 2026-10-12