A. 
A detached single-family dwelling may be altered to include an additional kitchen facility and bedroom(s) for the sole use by a blood relative of the fee owner, or a blood relative of the spouse of the fee owner, of said single-family dwelling. Such special and permissive use, and the location thereof, is permitted only if the Board of Appeals shall approve by special permit.
[Amended 1-14-2013 by L.L. No. 1-2013]
B. 
The Board of Appeals may, in each specific case and after notice and public hearing, authorize such use and its location within the district in which this chapter specifies the permissive use may be located, subject, however to the general conditions prescribed in this chapter for special permit approval and subject to the specific conditions as follows:
(1) 
Not more than one mother-daughter dwelling unit may be located in a single-family detached dwelling.
(2) 
The fee owner of the single-family detached dwelling shall occupy one of the dwelling units, and a blood relative of the fee owner, or blood relative of the fee owner's spouse, and family of the blood relative shall occupy the other dwelling unit.
[Amended 1-14-2013 by L.L. No. 1-2013]
(3) 
The single-family detached dwelling in which the mother-daughter dwelling unit is located must contain at least one unobstructed passageway between the main dwelling unit and the mother-daughter dwelling unit.
(4) 
No mother-daughter dwelling unit may be located within an attached garage or within or above a detached garage. A mother-daughter dwelling unit may be located above an attached garage, provided that such dwelling unit is located at least five feet from any side lot line.
(5) 
Adequate off-street parking areas shall be provided on the site and shall be available for use by each dwelling unit. No vehicles may be parked at other locations in order to meet the off-street parking requirements. No front yard area shall be used for parking except on a driveway. For the purpose of this section, "driveway" shall be defined as a permanent paved surface leading from the garage to the roadway in a straight line. If there are no garages, then parking shall be suitably located, but not in the front yard setback except on a driveway.
[Amended 1-14-2013 by L.L. No. 1-2013]
(6) 
No portion of a mother-daughter dwelling unit shall be located in a cellar or above a second floor.
(7) 
No boarders or roomers shall be permitted in a dwelling which has a mother-daughter residence.
(8) 
The mother-daughter residence application shall be accompanied by documentary proof of fee ownership of the single-family detached dwelling and at least two forms of documentary proof establishing that the occupant of the mother-daughter dwelling unit is a blood relative of the fee owner or a blood relative of the fee owner's spouse. Acceptable forms of documentary proof establishing proof of ownership of the single-family detached dwelling shall be deemed to include, but shall not be limited to, a deed or contract of sale to the dwelling. Acceptable forms of documentary proof establishing the blood relative relationship shall be deemed to include, but shall not be limited to, birth certificate, marriage certificate, baptismal certificate, adoption certificate, driver's license, passport and green card. The names and ages of all occupants of the two dwelling units shall be required to be declared on each application, and photographs of each person, labeled for identification shall be submitted.
[Amended 1-14-2013 by L.L. No. 1-2013]
(9) 
Every mother-daughter special use permit shall be issued for a period not exceeding three years. The applicant may reapply for another permit prior to such expiration.
(10) 
The Village shall have the right to inspect the premises during reasonable hours to ascertain whether the use is in compliance with the terms and conditions of the Board of Appeals and of this chapter. The applicant shall execute the consent for such inspection which shall be filed with the deed to the premises in the office of the Nassau County Clerk, at the applicant's expense, as well as with the Village. Such consent shall additionally grant the Village a right to reinspect at the end of any three-year term, even if the use is allegedly discontinued.
(11) 
A restrictive covenant shall be submitted to the Board of Appeals and shall be filed with the deed to the premises in the office of the Nassau County Clerk, at the applicant's expense, which shall declare the limitations on the use of the mother-daughter residence in accordance with the terms and conditions of the Board of Appeals and of this chapter.
(12) 
The mother-daughter special permit approval shall terminate automatically prior to expiration upon the happening of one or more of the following events:
(a) 
Sale or lease of the dwelling in which the mother-daughter residence is located or any other change or transfer of title thereof.
(b) 
Any change in occupancy of the dwelling which disqualifies the owner-blood relative relationship as approved by the Board of Appeals.
(c) 
Violation of any other conditions of the special use approval.
(13) 
Fees for application and inspection shall be as established by the Village Board at an open meeting. All special permit approvals are made subject to payment of required fees and expenses by the applicant.
(14) 
Applications for mother-daughter residence special permits shall be on forms prescribed by the Board of Appeals.