Class 3 ADU Rental License Application

Application Instructions

1. File Class 3 ADU license application with DHCA, Licensing and Registration Unit. Mail or apply in person:
   DHCA/Licensing and Registration Unit, 1401 Rockville Pike, 4th Floor, Rockville, Maryland 20852
   Hours: 8:30 AM – 5 PM, Mon–Fri.

   a. Part A: Accessory Dwelling Unit (ADU)

   1. Full street address including city, state and zip code.
   2. If the ADU is a new construction or under construction, select "Y" and a building permit is required. You will be able to apply for permits from the Department of Permitting Services by providing a copy of your initial inspection report and stamped drawings from DHCA.
   3. If you have a building permit, select "Y." If not, you will be able to apply for permits from the Department of Permitting Services by providing a copy of your initial inspection report and stamped drawings from DHCA. Submit copies of open permits with your ADU application.
   4. Indicate the start date of rental and the number of occupants over the age of 18 years old.
   5. If ADU is detached from main house, select "Y" and write the location of the ADU.
   6. Indicate how many kitchens are in all (main house, ADU, etc.).
   7. Indicate location of the ADU entrance door (i.e., right side of house, rear).
   8. Indicate the dimensions of the driveway.
   9. Indicate the lot acreage (i.e., 1 acre, half acre, etc.).
   10. Indicate the square footage of the entire house and the square footage of just the ADU alone.
   11. If there was a change in the original floor plan, select "Y" and indicate the change(s).
   12. If you purchased the property within the last 6 months, please include a copy of the settlement form.

   b. Part B: Owner Information

   1. Write all legal owners' full names and full street addresses, include primary phone numbers, cellular numbers, and email addresses. All legal owners must sign the application. If needed, attach a separate sheet for additional owner information and signatures.
2. Show evidence of primary residence for all legal owners (select one):
   1. The owner's most recent Maryland income tax return; or
   2. The owner's current Maryland driver's license; or
   3. The owner's real estate tax bill for the address of the proposed accessory dwelling unit.
3. Provide detailed drawings with the dimensions of the proposed ADU and the driveway. Must be submitted on 8½" × 11" paper. If blueprint, scale down to 8½" × 11". Must show: dimensions, entrance door, interior doors, windows, bathroom fixtures, kitchen appliances, each room labeled, stairs or door to main house (if applicable). Driveway drawing must show dimensions labeled (length and width).
4. Sign affidavit for attestation of continued use as owner's primary residence, attestation that the ADU will not be occupied by more than two persons 18 years or older, that the community association does not prohibit ADU, and owners are not more than 30 days past due on any common ownership community fees. Affidavit does not need to be notarized or signed in front of staff. All legal owners must sign.
5. Filing fee, license application fee, and sign fee deposit are paid at time of submission. $125 of the application fee is refundable if the DHCA Director finds the property does not meet zoning requirements.
6. Post Class 3 ADU public notice sign within 5 days of acceptance on the property in a place visible from each public road which abuts the property. Sign remains posted for 30 days or until initial inspection is completed, whichever is longer. $110 of the sign fee deposit will be refunded when the sign is returned in clean, undamaged, and reusable condition.
7. Property built before January 1, 1978? If YES, the ADU MUST be registered with Maryland Department of the Environment (MDE) and inspected for lead paint after construction is completed. Maryland law requires that all owners of residential rental property comply with the State Lead Poisoning Prevention requirements and that proof of compliance be provided to local government before authorizing a property be rented. For further information, call MDE at 1-800-633-6101 or 410-537-4199. Copies of Lead Inspection Certificates or MDE registration must be provided with your application. Not required if the property will not be rented, but you must submit a signed statement.
8. Contact your homeowners' association or see your association's covenants or deed for their rules and regulations regarding accessory dwelling units. Any decisions by DHCA will not override the covenants or deed.