Washington D.C. Contractor Licenses: Updated Requirements Guide
Washington D.C. licenses contractors at the District level through the Department of Licensing and Consumer Protection (DLCP). Businesses obtain a Basic Business License (BBL) with the correct endorsement (such as General Contractor/Construction Manager or Home Improvement Contractor), while many individual trades are licensed by the Board of Industrial Trades. This unified structure means District-wide rules govern who may contract, pull permits, and supervise work on site.
The Board of Industrial Trades oversees electricians, plumbers and gasfitters, refrigeration and air conditioning mechanics, steam and operating engineers, asbestos workers, and elevator trades, with most trade exams administered by PSI. Separately, the DC Department of Energy & Environment (DOEE) regulates asbestos abatement permitting for projects, in coordination with DLCP-issued asbestos licenses. We highlight several representative licenses and authorities for Washington D.C. below; this guide is updated periodically as additional details are requested by readers.
Use this article to quickly see which license applies to your scope, what experience and exams are involved, and how renewals work. When you are ready to apply, you’ll work through DLCP’s online systems for both business endorsements and occupational trade applications.
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Overview of Washington D.C. Contractor Licensing
Washington D.C.’s contractor and trade licensing is centralized under the Department of Licensing and Consumer Protection (DLCP). Businesses obtain a Basic Business License (BBL) with the appropriate endorsement for the work they perform—most notably the General Contractor/Construction Manager (GC/CM) or Home Improvement Contractor endorsements—through the DLCP Business Licensing Division. Many individual trades are licensed separately by DLCP’s Board of Industrial Trades, including electricians, plumbers/gasfitters, refrigeration and air conditioning mechanics (HVAC), steam and operating engineers, asbestos workers, and elevator trades.
The Occupational and Professional Licensing (OPL) portal provides the online pathway for Board of Industrial Trades applications and exam approvals. Exams that are required for a given trade are typically scheduled with PSI. Certain environmental activities—such as asbestos abatement—require both the proper DLCP-issued licenses and project-specific permits from the DC Department of Energy & Environment (DOEE).
D.C. law codifies these licensing programs and outlines experience and supervision thresholds, bonding and insurance requirements, and renewal cycles. Because the District functions as a single city-county jurisdiction, these rules apply across all of Washington, D.C., and there is no separate city-level licensing outside of the District’s centralized systems.
Browse all Washington D.C. contractor license practice tests →
Electrician Licenses in Washington D.C.
Washington D.C. regulates electrical work with 5 license types.
Electrician Apprentice
Authority
Regulated by the District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility and Scope
- No prior experience required; registration as an apprentice with employment verification or apprenticeship school enrollment as specified by the Board.
- Work only under supervision of a licensed master electrician or master electrician limited (low voltage).
- Minimum age 18.
- No exam is required for apprentice registration.
Renewal
Biennial; electrician licenses expire November 30 of odd-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fees, insurance minimums, and any additional documentation before applying.
Electrician Journeyman
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- At least 4 years (8,000 hours) of electrical work as an apprentice or equivalent education/experience approved by the Board.
- Completion of a National Electrical Code (Title 12C/DC Electrical Code) class within 2 years prior to application; minimum age 18.
Exam
- Exam required; administered by PSI.
- Open-book, computer-based; passing score 70%.
- Allowed materials include the National Electrical Code (2011) and Ugly’s Electrical Reference as specified by DLCP.
Renewal
Biennial; licenses expire November 30 of odd-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm application and examination fees, license issuance fees, and renewal fee amounts.
Source: DLCP Electrician License Instructions
Exam Prep: PDF study guide with 1,500-2,500 questions, complete answer keys, and reference locators to exact code sections. Study offline; no time or use limits. District of Columbia Washington DC Journeyman Electrician ICC 307 Practice Test.
Electrician Master
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- At least 8 years (16,000 hours) of electrical work, including 4 years as a licensed journeyman, or equivalent education/experience approved by the Board.
- Recent NEC/DC code class (within 2 years); minimum age 18.
Exam
- Exam required; administered by PSI; open-book with a 70% passing score.
- Covers NEC, DC Construction Codes, and advanced electrical design/supervision topics.
Insurance/Bonding
Surety bond required for master electricians as specified by DLCP trade contractor bonding requirements.
Renewal
Biennial; expires November 30 of odd-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and any additional documentation.
Source: D.C. Code § 47–2853.92
Exam Prep: PDF study guide with 1,500-2,500 questions, complete answer keys, and reference locators to exact code sections. Study offline; no time or use limits. District of Columbia Washington DC Master Electrician ICC 220 Practice Test.
Electrician Master Limited (Low Voltage)
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- Experience pathway geared to low-voltage systems (49 volts and below), typically at least 4 years of practical low-voltage work or equivalent as approved by the Board.
- Recent low-voltage NEC/DC code training; minimum age 18.
Exam
- Exam required; administered by PSI; open-book with a 70% passing score.
Renewal
Biennial; November 30 of odd-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fees, insurance/bonding, and documentation requirements.
Electrical Contractor
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Key Requirements
- Designation of a D.C.-licensed master electrician as the qualifying individual.
- Surety bonds for the company and designated master, per DLCP trade contractor guidance.
- No separate trade exam for the contractor entity.
Renewal
Biennial; aligned with the designated master’s bond and license cycle.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm application, license, and renewal fee amounts and bond limits.
Plumbing Licenses in Washington D.C.
Washington D.C. regulates plumbing work with 6 license types.
Plumber Apprentice
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility and Scope
- Register with the Board; provide employment verification or proof of training enrollment.
- Work under direct supervision of a licensed master plumber/gasfitter or master gasfitter.
- No exam required; minimum age 18.
Renewal
Biennial; plumbing/gasfitting licenses expire March 31 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and any required documents.
Journeyman Plumber
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- At least 4 years (8,000 hours) as an apprentice or equivalent education/experience (e.g., relevant degree plus practical experience).
- Minimum age 18.
Exam
- Exam required; administered by PSI; passing score 70%.
- Open-book referencing the International Plumbing Code and International Fuel Gas Code as adopted by DC.
Renewal
Biennial; March 31 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm application, exam, issuance, and renewal fees.
Master Plumber
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- At least 8 years (16,000 hours) of plumbing work, including at least 4 years as a licensed journeyman, or an equivalent combination approved by the Board.
Exam
- Exam required; administered by PSI; trade exam covers DC Plumbing Code/IPC and advanced topics.
Bonding
Surety bond of at least $5,000 for master plumber/gasfitter and contractor per DLCP guidance.
Renewal
Biennial; March 31 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fees and any additional insurance documentation.
Journeyman Gasfitter
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility and Exam
- At least 4 years (8,000 hours) as an apprentice gasfitter or equivalent; exam required by PSI with a 70% passing score.
- Exam references the International Fuel Gas Code and DC amendments.
Renewal
Biennial; March 31 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee and documentation requirements.
Master Gasfitter
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility and Exam
- Valid journeyman gasfitter license plus at least 4 years of journeyman-level experience, or equivalent as approved by the Board.
- Exam required; administered by PSI; advanced gas system design and supervision topics.
Bonding
Surety bond required for master gasfitters per DLCP bonding guidance (minimum $5,000).
Renewal
Biennial; March 31 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and insurance documentation.
Master Plumber/Gasfitter
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility and Exam
- Meets master-level experience thresholds for both plumbing and gasfitting; typically 8 years total including at least 4 years at journeyman level.
- Exam administered by PSI and covers both plumbing and fuel gas codes.
Bonding
Surety bonds for company and designated master as specified by DLCP.
Renewal
Biennial; March 31 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and bonding documentation.
HVAC Licenses in Washington D.C.
Washington D.C. regulates HVAC contractors with 7 license types.
Refrigeration and Air Conditioning Apprentice Mechanic
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- No experience required; registration based on employment verification or school enrollment in an approved program.
- Minimum age 18.
Renewal
Biennial; licenses expire September 30 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fees and documentation.
Refrigeration and Air Conditioning Journeyman Mechanic
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- At least 3 years of experience in refrigeration and air conditioning; provide employment/tax records and EPA Section 608 Universal Certification.
- Completion of a recognized apprenticeship or formal training program, or equivalent experience.
Exam
- Exam required; administered by PSI; open-book with a 70% passing score.
- References the International Mechanical Code and DC mechanical code provisions.
Renewal
Biennial; September 30 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and documentation requirements.
Refrigeration and Air Conditioning Master Mechanic
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility
- At least 5 years of experience installing, maintaining, repairing, and replacing equipment larger than 25 compressor horsepower (or equivalent tonnage); verification by a master mechanic.
- EPA Section 608 Universal Certification.
Exam
- Exam required; administered by PSI; open-book with a 70% passing score.
Bonding
Surety bond required where a master is designated to a refrigeration/air conditioning contractor, per DLCP bond guidance (minimum $5,000).
Renewal
Biennial; September 30 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and bonding documentation.
Refrigeration and Air Conditioning Master Mechanic Limited
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility and Exam
- At least 5 years’ experience with systems under 25 compressor horsepower (or equivalent); EPA Section 608 certification.
- Exam required; administered by PSI; open-book with a 70% passing score.
Renewal
Biennial; September 30 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and documentation.
Refrigeration and Air Conditioning Contractor
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Key Requirements
- Designation of a licensed master refrigeration and air conditioning mechanic as the qualifying individual.
- Surety bonds for the company and designated master (minimum $5,000 per DLCP guidance).
- No separate trade exam for the contractor entity.
Renewal
Biennial; aligned with the refrigeration/air conditioning cycle.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and bond limits.
Refrigeration and Air Conditioning Contractor Limited
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Key Requirements
- Designation of a master mechanic limited; bonding similar to full contractor but restricted to limited-scope systems.
- No trade exam required for the contractor entity.
Renewal
Biennial; September 30 of even-numbered years.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fees, bond amounts, and documentation.
Steam Engineer (Class 1)
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Eligibility and Exam
- Extensive experience operating high-pressure steam plants as defined by regulations; class progression applies before qualifying for Class 1.
- Exam required; administered by PSI; passing score 70%.
Renewal
Biennial; expiration dates set by DLCP.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and documentation requirements.
General Contractor Licenses in Washington D.C.
Washington D.C. general contractor licensing includes 5 types.
General Contractor/Construction Manager — Class A
Authority
DLCP – Business Licensing Division — https://dlcp.dc.gov/service/business-licensing-division
License Structure
- Issued as a Basic Business License endorsement; validity typically 2 years (optional 6‑month and 4‑year terms available for GC/CM).
- General liability insurance minimum: $2,500,000.
Fees
- Initial license: $654.50
- Renewal: $99.00
Renewal
Biennial; maintain insurance and other BBL conditions throughout the term.
General Contractor/Construction Manager — Class B
Authority
DLCP – Business Licensing Division — https://dlcp.dc.gov/service/business-licensing-division
Insurance
General liability insurance minimum: $1,500,000 (per 17 DCMR Chapter 39).
Fees
- Initial license: $654.50
- Renewal: $99.00
Renewal
Biennial.
General Contractor/Construction Manager — Class C
Authority
DLCP – Business Licensing Division — https://dlcp.dc.gov/service/business-licensing-division
Insurance
General liability insurance minimum: $500,000 (per 17 DCMR).
Fees
- Initial license: $654.50
- Renewal: $99.00
Renewal
Biennial.
General Contractor/Construction Manager — Class D
Authority
DLCP – Business Licensing Division — https://dlcp.dc.gov/service/business-licensing-division
Insurance
General liability insurance minimum: $500,000 with specified per-occurrence and aggregate limits.
Fees
- Initial license: $654.50
- Renewal: $99.00
Renewal
Biennial.
General Contractor/Construction Manager — Class E
Authority
DLCP – Business Licensing Division — https://dlcp.dc.gov/service/business-licensing-division
Insurance
General liability insurance minimum: $500,000 for lower-value projects as defined in regulation.
Fees
- Initial license: $654.50
- Renewal: $99.00
Renewal
Biennial.
Roofing Licenses in Washington D.C.
Roofing work in Washington D.C. is performed under existing contractor categories rather than a standalone roofing credential. Roofing businesses typically obtain one of the following Basic Business License endorsements based on scope:
- General Contractor/Construction Manager (GC/CM) — for general contracting scopes and projects requiring a GC endorsement under D.C. law and regulations.
- Home Improvement Contractor — for home improvement work categories as defined by DLCP, including residential scopes commonly associated with roofing projects.
Insurance, contract form requirements, and renewal cycles follow the GC/CM or Home Improvement Contractor endorsement rules. Always ensure the endorsement you select fully covers the roofing scope you perform and the permits you intend to pull.
GC/CM: DLCP License Details | Home Improvement Contractor: DLCP License Details
Specialty Trade Licenses in Washington D.C.
Washington D.C. regulates specialty trades with 8 license types.
Home Improvement Contractor
Authority
DLCP – Business Licensing Division — https://dlcp.dc.gov/service/business-licensing-division
Key Requirements
- Issued as a BBL endorsement; maintain a certificate of liability insurance (amount per DLCP).
- Applicants provide required documentation such as sample contracts and other items listed on DLCP’s Home Improvement Contractor page.
Fees and Renewal
- Initial license: $288.20
- Renewal: $288.20
- Biennial term.
Asbestos Worker
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Training-Based Qualification
- Complete an EPA-accredited asbestos abatement course meeting AHERA requirements or equivalent.
- No Board exam; qualification is based on approved training.
Fees and Renewal
- Application/Initial/Renewal: $60
- Biennial; licenses expire July 31 of odd-numbered years; refresher training required per EPA/OSHA and DC rules.
Asbestos Supervisor
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Training-Based Qualification
- Complete an EPA/OSHA-approved asbestos supervisor course; meet any experience standards set by the Mayor.
- No Board exam; training-based licensure.
Fees and Renewal
- Application/Initial/Renewal: $60
- Biennial; same expiration (July 31 of odd-numbered years) as worker licenses.
Asbestos Abatement Business (Environmental Materials Endorsement)
Authority
DLCP – Business Licensing Division — https://dlcp.dc.gov/page/asbestosabatementbusiness
Key Requirements
- BBL endorsement; demonstrate compliance with federal and District asbestos abatement standards and laws.
- Use licensed asbestos workers and supervisors; maintain required insurance and safety programs.
Fees and Renewal
- Application/Initial/Renewal: $99
- Biennial term.
Elevator Mechanic
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Qualification
- Certificate of completion of an elevator mechanic apprenticeship or at least 2 years’ elevator work experience, or a valid current license from another jurisdiction.
- No DC exam; licensure based on apprenticeship completion, documented experience, or out-of-jurisdiction license.
Renewal
Biennial; per DLCP schedule.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and required documentation.
Elevator Inspector
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Qualification
- ASME QEI-1 (Qualified Elevator Inspector) certification and experience as specified by the Board.
Renewal
Biennial; as scheduled by DLCP.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and documentation.
Elevator Contractor
Authority
District of Columbia Board of Industrial Trades (DLCP) — https://dlcp.dc.gov/page/board-industrial-trades1
Key Requirements
- Designation of appropriately licensed elevator mechanics/inspectors.
- Insurance and bonding per Board rules.
Renewal
Biennial.
Contact the District of Columbia Board of Industrial Trades (DLCP) to confirm fee amounts and bonding limits.
Asbestos Abatement Permit (Project-Specific)
Authority
DC Department of Energy & Environment (DOEE) – Asbestos Program — https://doee.dc.gov/service/asbestos-permitting
Eligibility and Scope
- Available to businesses that already hold DLCP-issued asbestos abatement business licenses and use licensed workers and supervisors.
- Permit is issued per project through DOEE’s permitting system with Clean Hands and other compliance checks.
Term
Permit is project-based; not a recurring license.
Application Process
- Determine whether the work requires a Basic Business License (BBL) endorsement (e.g., General Contractor/Construction Manager, Home Improvement Contractor, Asbestos Abatement Business) and/or an individual trade license issued by the Board of Industrial Trades.
- Register the business with the DLCP Corporations Division and obtain a Federal Employer Identification Number (FEIN) or Social Security Number and DC tax registration (FR-500) with the Office of Tax and Revenue; obtain a Clean Hands certification.
- Obtain a Certificate of Occupancy for commercial premises or a Home Occupation Permit for home-based businesses in Washington, DC.
- Gather required documentation such as liability insurance certificates, surety bonds (where required), sample contracts (for home improvement), police criminal history report (for home improvement), and designation letters for required salespersons or designated masters.
- For trades regulated by the Board of Industrial Trades (electricians, plumbers/gasfitters, refrigeration and air conditioning mechanics, steam/operating engineers, asbestos workers, elevator trades), complete the online occupational license application and submit required experience documentation, apprenticeship certificates, tax records, and code class certificates.
- Once the Board of Industrial Trades approves eligibility for examination, schedule the required PSI examination through psiexams.com using the instructions provided on the Board’s website, or use reciprocity pathways where available.
- After passing required exams and satisfying bonding/insurance requirements, submit or complete the BBL application through the DC Business Center (BOSS/mybusiness.dc.gov) selecting the appropriate endorsement category.
- Pay all required application, endorsement, and license fees and wait for DLCP approval and issuance of the digital license; print or display licenses as required at business locations and job sites.
- Renew both BBL endorsements and individual trade licenses on the required cycles (most BBLs every 2 or 4 years; most trade licenses biennially on specified dates) and maintain bonds, insurance and continuing obligations.
Timeline: Approximately 30–60 days for Basic Business License endorsements such as General Contractor/Construction Manager and Home Improvement Contractor, and 60–120 days for industrial trades licenses (electrician, plumber/gasfitter, refrigeration/air conditioning, etc.) depending on experience review and exam scheduling.
Reciprocity
Washington D.C. has reciprocity with: Maryland, Virginia.
Requirements: For journeyman and master electricians licensed in Maryland or Virginia, DLCP offers reciprocity for District licensure when the applicant holds a valid and active state-issued electrician license and submits a letter of good standing from the other jurisdiction; similar reciprocity has been extended for other Board of Industrial Trades licenses pursuant to Board announcements.
Frequently Asked Questions
How long does it take to get a contractor license in Washington D.C.?
Plan for about 30–60 days for BBL endorsements such as General Contractor/Construction Manager or Home Improvement Contractor. Industrial trade licenses (electrician, plumber/gasfitter, refrigeration/air conditioning, etc.) often take 60–120 days due to experience evaluation and PSI exam scheduling.
Do I need both a trade license and a Basic Business License?
In many cases, yes. Individuals performing regulated trade work (e.g., electricians, plumbers, HVAC) need the appropriate Board of Industrial Trades license, and the business entity that contracts the work typically needs a Basic Business License with the correct endorsement (e.g., GC/CM, Home Improvement, Asbestos Abatement Business).
Can I transfer my license from another state to Washington D.C.?
Reciprocity is available for certain licenses, most notably journeyman and master electricians from Maryland and Virginia. Applicants provide proof of active licensure and a letter of good standing from the other jurisdiction per DLCP instructions.
What happens if I fail a required trade exam?
PSI manages scheduling and retakes according to DLCP and PSI policies. Follow the exam bulletin and the Board’s instructions for waiting periods, rescheduling, and fees.
Do I need insurance?
Yes. BBL endorsements specify general liability minimums (for example, GC/CM Class A requires $2,500,000). Certain trade contractor designations also require surety bonds for the company and designated master.
How do renewals work?
BBL endorsements commonly renew every 2 or 4 years, while Board of Industrial Trades licenses follow fixed cycles (e.g., electricians: November 30 odd years; plumbing/gasfitting: March 31 even years; refrigeration/air conditioning: September 30 even years). Track both the business endorsement and any individual trade licenses.
Where can I find practice tests for Washington D.C. exams?
We offer comprehensive PDF practice tests for Washington D.C. contractor license exams. Each guide typically contains 1,500–2,500 questions with precise answer keys and reference locators pointing to exact code sections. Study offline at your own pace with no time or use limits. Browse Washington D.C. contractor practice tests.
Washington D C · Practice tests
Washington D C contractor license practice tests
We don’t publish Washington D C practice tests yet, but we add new tests regularly. Contact us with the license you’re studying for and we’ll build it.
Related Official Resources
Official Sources for Further Details:
-
DLCP – Business Licensing Division
https://dlcp.dc.gov/service/business-licensing-division
Official Board Site | Accessed: 2026-08-19 -
DLCP – Contractor and Construction Services
https://dlcp.dc.gov/node/1618551
Official Board Site | Accessed: 2026-08-19 -
DLCP – General Contractor/Construction Manager
https://dlcp.dc.gov/node/1618796
Official Board Site | Accessed: 2026-08-19 -
D.C. Code § 47–2851.03d (General Business License and General Contractor/Construction Manager License)
https://code.dccouncil.gov/us/dc/council/code/sections/47-2851.03d
State Statute | Accessed: 2026-08-19 -
DLCP – Home Improvement Contractor
https://dlcp.dc.gov/node/1618836
Official Board Site | Accessed: 2026-08-19 -
Home Improvement Contractor Quick Facts (DCRA/DLCP)
https://dcra.dc.gov/sites/default/files/dc/sites/dcra/publication/attachments/Home%20Improvement%20Contractor%20Quick%20Facts.pdf
Fee Schedule | Accessed: 2026-08-19 -
DLCP – Board of Industrial Trades
https://dlcp.dc.gov/page/board-industrial-trades1
Official Board Site | Accessed: 2026-08-19 -
DLCP – Electrician License (Low and Regular Voltage)
https://dlcp.dc.gov/sites/default/files/dc/sites/DLCP/publication/attachments/Electrician.pdf
Official Board Site | Accessed: 2026-08-19 -
D.C. Code § 47–2853.92 (Electrician Eligibility Requirements)
https://code.dccouncil.gov/us/dc/council/code/sections/47-2853.92
State Statute | Accessed: 2026-08-19 -
DLCP – Plumbing/Gasfitting Application Instructions
https://dlcp.dc.gov/sites/default/files/dc/sites/DLCP/publication/attachments/PlumbingGasfitting.pdf
Official Board Site | Accessed: 2026-08-19 -
D.C. Code § 47–2853.122 (Plumber/Gasfitter Eligibility Requirements)
https://code.dccouncil.gov/us/dc/council/code/sections/47-2853.122
State Statute | Accessed: 2026-08-19 -
DLCP – Refrigeration/Air-Conditioning License Instructions
https://dlcp.dc.gov/sites/default/files/dc/sites/DLCP/publication/attachments/Refrigeration%20and%20Air%20Conditioning.pdf
Official Board Site | Accessed: 2026-08-19 -
D.C. Code § 47–2853.202 (Refrigeration and Air Conditioning Eligibility)
https://code.dccouncil.gov/us/dc/council/code/sections/47-2853.202
State Statute | Accessed: 2026-08-19 -
DLCP – Occupational and Professional License Categories (Board of Industrial Trades)
https://dlcp.dc.gov/node/1623071
Official Board Site | Accessed: 2026-08-19 -
DLCP – Asbestos Workers and Supervisors Application Instructions
https://dlcp.dc.gov/sites/default/files/dc/sites/DLCP/publication/attachments/Asbestos.pdf
Official Board Site | Accessed: 2026-08-19 -
DLCP – Asbestos Abatement Business
https://dlcp.dc.gov/page/asbestosabatementbusiness
Official Board Site | Accessed: 2026-08-19 -
DOEE – Asbestos Abatement Permitting
https://doee.dc.gov/service/asbestos-permitting
Official Board Site | Accessed: 2026-08-19 -
Asbestos Licensing and Control Act Provisions (D.C. Code § 8–111.03 and § 8–111.04)
https://code.dccouncil.gov/us/dc/council/code/sections/8-111.03
State Statute | Accessed: 2026-08-19 -
DLCP – Elevator Mechanics and Inspectors License Instructions
https://dlcp.dc.gov/sites/default/files/dc/sites/DLCP/publication/attachments/Elevator.pdf
Official Board Site | Accessed: 2026-08-19 -
D.C. Code § 47–2853.212 (Steam and Operating Engineers Eligibility)
https://code.dccouncil.gov/us/dc/council/code/sections/47-2853.212
State Statute | Accessed: 2026-08-19
Important Disclaimer
Information Currency: This guide reflects licensing information as available in 2026. Licensing requirements are subject to change without notice. Always verify current requirements with official sources.
Official Source: For current information, contact the Department of Licensing and Consumer Protection (DLCP):
- Website: https://dlcp.dc.gov
- Phone: (202) 671-4500
No Legal Advice: This guide provides general information only. Consult with the licensing board or a qualified professional for guidance specific to your situation.