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Electrical Permits

When is an Electrical Permit Required?

A Electrical Permit is required for work that involves installing, relocating, repairing, or maintaining any electrical wiring or device designed for conducting, consuming or converting electrical current.

How is an Electrical Permit Obtained and Who may Apply for these Permits?

An electrical permit can be applied for online using DPS ePermitsHowever, the applicant must have a Montgomery County Master Electricians License and have set up an Apply Online account by contacting DPS prior to applying to ensure the email address is tied to their Electrical Business License (Accounts do not need to be created by the licensed applicant/user themselves). To begin using  ePermits and ePlans, please send a brief email request for a user account to if you are properly licensed and have not already done so.

Homeowners who meet the required criteria for doing so, may take an examination to obtain a permit for a limited scope of work (see: Homeowners Electrical Exam.)

What is the Cost?

The minimum processing fee for residential installations is $90.00 and the minimum processing fee for commercial installations is $150.00. The total fee will be the sum of the processing fee plus the price of the items/work. Please refer to the Fees and Taxes Executive Regulations for more information.

What is the Application Process?

Electricians or their personally authorized representatives will apply online using the e-mail they have registered to their Electrical Business & Electrical Masters licenses and the private password they have created, after receiving the automated invitation to join Apply Online from MCDPS.

When applying for the permit online:

  • Be sure to enter the valid, current, and correct Electrical Business License and Master Electricians License numbers
  • Be aware any Outstanding Notices of Violation for the premise (outstanding fines will collected with the permit fee) will prevent permit issuance.
  • Please enter the Building permit number in the necessary field (if required for the work being done), and make sure it has been issued prior to the applying for the electrical permit.
  • Be aware, the incorporated City of Rockville and City of Gaithersburg process permits for properties located within their city limits & are outside the jurisdiction of Montgomery County. It is recommended to check the jurisdiction of the property using the SDAT: Real Property Data Search

If the conditions are met:

-A permit number is created and assigned

-Fees are calculated and paid online

-And the permit will be issued at that time, unless it requires prior zoning approval

eServices Training Videos are available for assistance navigating the page or please contact Montgomery County 311 at (240)-777-0311 for further assistance.


  1. All plans must be signed and sealed by a Maryland Licensed Professional Engineer
  2. Power riser diagram, including wiring method type, feeder sizes proper grounding and
    bonding jumper sizes, including over-current protection device, size and rating;
  3. Fire alarm riser diagram, descriptive notes, annunciator panel and control panel if applicable;
  4. Symbols list, lighting and panel schedules;
  5. Reflective ceiling plan, including show window and track lighting;
  6. Power plan showing the floor layout and electrical equipment location;
  7. Working clearances for the electrical equipment in accordance with Article 110, Part II;
  8. Demand load calculations, including existing loads added to new additions;
  9. Fire pumps, if applicable, include size and source of supply, full load current rating of the
    fire pump motor and AIC rating of the motor and transfer switch.
  10. Emergency distribution equipment, include transfer equipment and panel locations.
  11. Energy Code Compliance Documentation

Certification of modified drawings. (Click here)

Plan submittal changes which result from the suspension of a plan review must include a "Certification Of Modified Drawings". The design professional(s) responsible for the design of the project shall review all the changes from each of the disciplines and certify that the resubmitted design documents prepared under their license did, or did not, require modification as a result of any changes made.

How Can the Permit Be Revised Once Issued?

Electrical permits revisions must be submitted electronically using DPS’ eServices application.

(NOTE: If the permit is a commercial permit, generated based upon drawings submitted with the parent Building Permit; the Building Permit (and electrical drawings) MUST be revised prior to electrical permit revision)

  • Login using the email on record for the Electrical Business License & created password
  • At the Apply Online - Main page in the 'Apply for Permits and Licenses' section, click the Permit Revision button, select Electrical from the Permit Type drop-down menu, and click the Apply button
  • At the Apply Online - Electrical Permit Revision page enter the permit number and click Submit. Follow the prompts to submit the request to MCDPS

Once the revision request is submitted, DPS personnel will begin the review process. If the request is not permissible, an applicant will be contacted and notified. If the revision can be completed, the Permit Technician will make the revision or add the additional equipment requested to the permit and the corresponding due fee. They will then send a detailed notification email to the applicant that the permit is ready to be paid and printed.

When the revision approval notification is received, the applicant will log into Apply Online using the email on record for the electrical business. At the main page, under the ‘My Permits & Licenses’ section, enter the permit number, click the magnify glass icon to search, and from there pay the additional fee dues, & print the updated permit.

Application Package
Apply Online
Fees and Taxes
Executive Regulations
Credit Card Authorization Form
General Bond Information
Codes, Standards, Executive Regulations
NFPA National Electrical Code / 2011
Montgomery County Code
Guidelines, Memorandum of Understandings, Interpretations
Permit Guidelines for Photovoltaic Systems
Inspection Requirements
Residential Inspections
Commercial Electrical Inspections
Residential Photovoltaic Systems Installation Certification
Residential Generator Load Calculation Certificate
Frequently Asked Questions
Online Permitting Status Information and Inspections
Search DPS
Call for More Information
Other Agencies to Contact
Allegheny Power
American Institute of Architects (AIA)
American National Standards Institute (ANSI)
American Society of Heating, Refrigerating & Air Conditioning Engineers (ASHRAE)
Baltimore Gas & Electric Co. (BG&E)
Board of Appeals
Historical Preservation
International Code Council (ICC)
Maryland Department of Assessments and Taxation
Maryland Department of the Environment
Maryland Division of State Documents
Masonry Institute of America (MIA)
Miss Utility
National Glass Association (NGA)
MNCPPC: Historic Area Work Permits
MNCPPC: Zoning
National Fire Protection Association (NFPA)
Potomac Electric Power Company (PEPCO)
U.S. Department of Energy (DOE) by Pacific Northwest National Laboratory (PNNL)
Washington Gas Light Co.