3430 Courthouse Drive
Ellicott City, MD 21043
United States
Overview
The Department of Inspections, Licenses & Permits is responsible for the approval and issuance of various permits, licenses and the enforcement of County building codes and standards. These include building, mechanical, plumbing, electrical, sign and property maintenance codes.
The Department inspects and licenses rental housing properties, mobile home parks, and animals. It is responsible for staff duties associated with the Board of Electrical Examiners and the Plumbing Advisory Board.
The department is organized into four divisions:
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Operations
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Inspections & Enforcement
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Plan Review
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Licenses & Permits
Energy Savings Days:
In an effort to be proactive regarding FY26 budget challenges, Howard County has implemented "Energy Saving Days". During these dates many County buildings, including the George Howard Building, will be closed and/or energy use will be drastically reduced. DILP will remain operational with employees available by phone, email and off-site meetings, as needed. Please plan ahead to ensure that you meet submission deadlines; Energy Saving Days do not impact electronic submissions.
The remaining 2025 Energy Saving Days are below:
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October 24th, 31st
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November 12th, 24th, 25th, 26th
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December 5th, 19th, 22nd, 24th, 26th, 29th, 30th
Merchant Service Fees:
Beginning February 1, 2025, the County will cease absorbing merchant services fees associated with all payments made by credit card or ACH. These fees will now be paid by the customer and will be clearly shown during checkout at the completion of their transaction.
New Council Bills Effective September 7, 2025:
Howard County has adopted three new Council Bills, effective September 7th, 2025 (Adopted Codes):
- CB 24-2025: covers the 2024 International Building Code, International Residential Code, International Mechanical Code, International Energy Conservation Code and International Swimming Pool & Spa Code.
- CB 25-2025 covers the Howard County Property Management Code for Rental Housing.
- CB 26-2025 covers the International Plumbing Code & the National Fuel & Gas Code (NFPA 54-2024).
New Requirements Regarding Floodplain Regulations can be found HERE.

Boards Information
Board of Electrical Examiners
The Board of Electrical Examiners make recommendations to the Director of Inspections, Licenses & Permits, the County Executive and the County Council on all matters relating to electrical work in Howard County, including the conduct of electrical business and licenses.
Howard County Executive Calvin Ball is seeking licensed electricians and members of the general public interested in serving a five-year term on the county’s Board of Electrical Examiners.
“Especially with alternative sources of energy, our Board of Electrical Examiners serves an important role to help maintain high standards of building codes and practices for electric in our community,” said Ball. “With this vital professional and community input, we can ensure that Howard County Government is keeping homes, businesses, and public spaces functional and safe in a dynamic and evolving field.”
The Board is composed of seven members, two members of the public who do NOT derive income from the electric industry, four who are licensed and practicing Master Electricians, and one electrical engineer. Board member responsibilities include reviewing and making recommendations to county elected leaders in all matters related to electrical work in the county, including the conduct of electrical business and licenses.
To be eligible for consideration, applicants must be a Howard County resident, 18 years of age or older (for general membership), and be able to attend the Board’s meetings and hearings, which are held at least twice per year in the George Howard Building located at 3430 Court House Drive in Ellicott City, or virtually.
Interested applicants should complete an application online by visiting www.howardcountymd.gov/applybc and selecting “Board of Electrical Examiners” in the form. The names of eligible applicants will be submitted to the County Executive for consideration. If approved, the appointment will be forwarded to the County Council for confirmation. For any questions regarding the application process, please email applybc@howardcountymd.gov.
For more information about the Board for Electrical Examiners, visit https://www.howardcountymd.gov/boards-commissions/board-electrical-examiners the County’s Department of Inspections, Licenses and Permits at 410-313-2455.
Plumbing Advisory Board
The Plumbing Advisory Board makes recommendations to the Director of Inspections, Licenses & Permits, the County Executive and the County Council in all matters relating to the conduct of the plumbing business in Howard County.
Howard County Executive Calvin Ball is seeking licensed plumbers and members of the general public interested in serving a five-year term on the county’s Plumbing Advisory Board.
The Board is composed of five members, three members of the public who do NOT derive income from the plumbing industry and two who are licensed and practicing master plumbers. Board member responsibilities include reviewing and making recommendations to County elected leaders in all matters related to the conduct of the plumbing business in Howard County.
To be eligible for consideration, applicants must be a Howard County resident, 18 years of age or older (for general membership), and be able to attend the Board’s meetings and hearings, which are held at least twice per year in the George Howard Building located at 3430 Court House Drive in Ellicott City, or virtually.
Interested applicants should apply online at www.howardcountymd.gov/applybc, and selecting “Plumbing Advisory Board” in the form. The names of eligible applicants will be submitted to the County Executive for consideration. If approved, the appointment will be forwarded to the County Council for confirmation. For any questions regarding the application process, please email applybc@howardcountymd.gov.
For more information about the Plumbing Advisory Board, visit https://www.howardcountymd.gov/boards-commissions/plumbing-advisory-board or contact the County’s Department of Inspections, Licenses and Permits at 410-313-2455.
What's New
Special Announcements (Look here often for Closings, Events, etc.)
Beginning February 1, 2025, the County will cease absorbing merchant services fees associated with all payments made by credit card or ACH. These fees will now be paid by the customer and will be clearly shown during checkout at the completion of their transaction.
Grading Permit Application and Payments Now Available Online
Instructions to Homeowners for Citizen's Access
Click: Here
NOTICE
Good News to all Permit Requestors. On August 1, 2023 in an effort to make it more efficient for contractors and homeowners, the Department of Inspections, Licenses and Permits will begin accepting Electronic Submission of all permit types, residential and commercial.
Electronic Submission Memo (click here)
Residential Deck Plan Requirements
Website Changes
There is a revised commercial online submittal requirements document available on the "Plan Review" section of the webpage. Please peruse the document prior to submitting commercial permits.
An addition has been made to our website which includes lists of General Electrical and Master Electrical Licenses, Residential Additions for Single Family Dwellings, Duplexes and Townhouses are available online in the Inspection & Permits Online Permitting Services webpage.
New Roof Design Load Requirements
Please click below for important information on new roof design load requirements.
Citizen Access
Place holder for future information.
Building Codes Adoption
ATTENTION
February 20, 2024
2021 Howard County Building Code
2021 Howard County Energy Conservation Code
2021 Howard County Mechanical Code
2021 Howard County Plumbing Code
2021 Howard County Property Maintenance Code
2021 Howard County Residential Building Code
January 03, 2022
Howard County Department of Inspections, Licenses, and Permits will be adopting the following codes effective January 03, 2022:
- 2021 International Building Code
- 2021 International Residential Code
CB71 IBC IRC - 2021 International Energy Conservation Code
- 2021 International Mechanical Code
- 2021 International Plumbing Code
CB72 Plumbing - 2021 NFPA 101 Life Safety Code
- Rental Housing Code 2021 International Property Maintenance Code
CB73 Property Maintenance
Howard County Building Code Adoption
Effective January 05, 2021
2020 NFPA 70 National Electrical Code
- Licensed contractor for residential construction
Section 105.8 Contractor Licensing requirements in residential one and two-family dwellings:
Homeowners of one and two-family dwellings, as defined by the Howard County Building Code, may act as their own general contractor for alterations and additions if they own the property in questions and the property is their primary residence. If the property is a rental property, or not their primary residence, they must have a Maryland Home Improvement Contractors License or a Maryland Home Builders License in accordance with the State of Maryland licensing laws.
Required sprinklers in one and two family dwelling additions
Section: R313.2 One- and two-family dwellings automatic fire sprinkler systems:
An automatic residential fire sprinkler system shall be installed in one- and two-family dwellings.
Exception: An automatic residential fire sprinkler for additions or alterations less than fifty percent of the existing gross area of the building or structure are exempt from fire sprinkler systems.
Roof Design Loads for IRC 2018
Council Bill No. 13 – 2019 Roof Design Live Load was amended to 40 lbs. per square foot, with allowances for reductions due to roof slope. This is an increase from the previous code which required 30 lbs. per square foot, with no allowances for roof slope reduction.
All truss designs are to reflect the new design requirements Effective July 14, 2019. In addition, any conventional framed roof will be required to meet the same design values of 40 lbs. per square foot, with allowed reductions for slope.
Private well and septic
All properties served by private well and septic require prior Health Dept. approval.
For information on obtaining their approval, please contact the Health Department by phone at 410-313-6300.
General Contact Information
By Phone
For more information and direction, call (option #4) General Permits Related Information by phone at 410-313-2455.
Electrical Licensing
Contact Electrical Licensing Information by phone at 410-313-2455.
Automated Inspections Requests
Building & Fire Protection
Contact General Building & Fire Protection Information by phone at 410-313-1810.
Electrical Information
Plumbing and Mechanical
Contact General Plumbing and Mechanical Information by phone at 410-313-1840.
Rental Housing & Signs
Contact General Rental Housing & Signs Information by phone at:
Main: 410-313-1830
Fax: 410-313-1861
FAQs
When do I need a rental License?
Every dwelling or dwelling unit in Howard County which is not occupied solely by the owner or owner's immediate family must be licensed. A license is also required if more than one boarder, roomer or renter occupies the dwelling with the owner. This requirement applies whether or not rent money changes hands. Rental Licenses ensure that the Howard County Property Maintenance Code standards are met. The requirement applies to apartments, individually owned condominiums, duplexes, mobile homes, townhomes, hotels, motels, assisted living unit and facilities.
What are the minimum requirements for smoke detectors in my single-family home or townhome which I intend to rent?
The smoke detector requirements are determined by the date the house was originally built. See this chart for specifications on the type of smoke detector and location of smoke detector based on the date of construction. Smoke detectors can be no more than 10 years old. Every 10 years they must be replaced. AC electrically wired (hard-wired) detectors must be replaced at 10 years with new AC wired detectors. In addition to the requirements listed in the chart there must also be a smoke detector INSIDE EVERY BEDROOM. Those inside the bedrooms must be 10 year sealed in Lithium battery detectors (non -removable battery).
How close to my neighbor's property line can I place my new shed?
Setbacks vary according to where the person's home is located. Contact the Department of Planning and Zoning.
What time does the Front Counter close at the Permits Office at 3430 Courthouse Drive?
The office closes at 5:00 PM but try to be there by 4:00 PM to allow time for processing.
What is the earliest date I can post a grading surety bond due to weather conditions?
Winter sureties may be posted between December 1st and April 30th. Exemptions are granted only under extreme weather conditions.
How do I get a copy of my house plat?
A location survey and or plat was provided at the time of settlement. Check your settlement documentation for a copy. If you cannot locate the settlement papers your Lending Institution should also have a copy.
Do my deck support columns have to go into the ground?
No. The building code requires that a deck attached to the house have frost protection 30 inches in the ground and there are several ways that this can be done. See Deck Guide.
Do I need a plumbing permit to replace an electric or gas water heater?
A plumbing permit must be pulled by a master plumber and an inspection is required for all water heaters (gas and electric).
Do I need a permit to replace my handrails or guardrails with the same product?
Yes. This is a code issue that must be maintained at all times and they are considered a structural element. If you want to replace your old handrails or guardrails with new ones a permit is required.
Do I need a permit to replace just my deck boards with the same thing or the new plastic wood products?
No. This is considered ordinary repair and a permit is not required. If you just replace the decking boards and not the structural under carriage then a permit would not be required to do this type of work.
Do I need a permit to build a shed in my back yard? What if the shed is built on skids and delivered to my house?
Building permits are required for sheds when the total square footage is greater than 200 square feet and for sheds larger than 400 square feet that will require a frost footing that will be at least 30 inches below grade.
Do I need a permit for my deck?
Yes. ONLY decks less than 25 square feet do not require footings or permits. All other decks require permits. Footings must be a minimum size 18" in diameter or 16" x 16" at least 30" deep.
Do I need a building permit for a barn?
Barns constructed in Residential Zoning areas greater than 200 square feet will require a building permit. Barns barns larger than 400 square feet will require frost footings that will be at least 30 inches below finished grade.
Do I have to be home for the inspection of my deck?
No. If the yard is fenced locked it should be left open on the day of the inspection. Pets should also be restrained from the deck area. The permit should be posted.
Can I put water in my swimming pool now that I got my electrical permit final inspection and am waiting on the final inspection of the fence?
No. Only after approval of the fence and verification that the door alarms, if required, are operable, can the pool be filled. There must be request for a final inspection by the pool contractor.