A. Generally:
1. All buildings erected hereafter, all uses of land or buildings established hereafter, and all structural alteration or relocation of existing buildings occurring hereafter shall be subject to all regulations of this title which are applicable to the zoning districts in which such buildings, uses, or land shall be located.
2. The following regulations shall apply:
a. Mobile Homes:
(1) A mobile home shall not be permitted as an accessory building or structure.
(2) A mobile home shall not be erected, used, or maintained for dwelling or lodging uses.
b. Tents: No tent shall be erected, used, or maintained for dwelling or lodging uses.
3. Fences, walls, hedges, or shrubbery may be erected, placed, maintained, or grown along a lot line in accordance with regulations set forth in the applicable city ordinance.
4. Not more than one principal detached residential building shall be located on a lot, nor shall a principal detached residential building be located on the same lot with any other principal building.
5. However, where a building permit for a building or structure has been issued in accordance with law prior to the effective date hereof, and provided construction is begun within six (6) months of such effective date and diligently prosecuted to completion, said building or structure may be completed in accordance with the approved plans on the basis of which the building permit has been issued, and further may, upon completion, be occupied under a certificate of occupancy by the use for which originally designated, subject thereafter to the provisions of chapter 9 of this title. (Ord. 2003-O-15, 3-18-2003)
6. All land which may hereafter be annexed to the city shall be automatically classified in the R-1 residential district pending a public hearing by the plan commission, or joint plan commission as to proposed annexation of land lying in Fort Sheridan, and final action by the city council. No buildings or structures shall be erected on such land until an ordinance establishing the zoning district classification shall have been passed by the city council. Such public hearing shall be held within sixty (60) days after the effective date of any such annexation, and final action thereon shall be taken by the city council within thirty (30) days after the last adjournment of the said public hearings. (Ord. 2003-O-15, 3-18-2003; amd. 2009 Code)
B. Lot Size Requirements:
1. No building or other structure shall hereafter be erected, altered or enlarged nor shall any use of land be established or enlarged on a lot which is smaller in area than the minimum lot area prescribed for the zoning district and/or use in which the building, structure or land is located.
2. No building or other structure shall hereafter be erected, altered or enlarged nor shall any use of land be established or enlarged on a tract of land the width of which is less than the minimum lot width prescribed for the zoning district in which the building, structure or land is located.
3. No building or other structure shall be converted so as to conflict, or further conflict, with the lot area per dwelling unit requirements for the district in which such building or structure is located.
4. No building containing dwelling units shall hereafter be converted unless the gross floor area, not including basement, when divided by the number of dwelling units within the building or structure, produces a quotient of at least one thousand five hundred (1,500) square feet.
C. Building Bulk Regulations:
1. No building or other structure shall hereafter be erected, altered or enlarged so as to exceed the lot coverage and/or impervious surface lot coverage percentage for the district in which the building or structure is located.
2. When a maximum building height is specified in any district or for any particular type of building or other structure, then no such building or structure shall hereafter be erected, altered or enlarged so as to exceed such maximum building height.
3. When a floor area ratio is specified in any district or for any particular type of building or other structure, then no such building or structure shall hereafter be erected, altered or enlarged so as to exceed such floor area ratio.
4. a. No building or other structure shall hereafter be erected, altered or enlarged nor shall any use of land be established or enlarged unless the coverage restrictions and the minimum front, side and rear yards specified for the district in which such building, structure or use of land is located are maintained. All additions to principal buildings including attached garages shall comply with the yard requirements for the principal building.
b. Notwithstanding the above, owners of existing one- and two- family dwellings that are built upon lots that do not meet the minimum lot width, depth or area requirements for the zoning district may erect or maintain one accessory structure, the area of which, when added to the principal structure, does not exceed a lot coverage of thirty five percent (35%), and otherwise complies with all other requirements of the building codes and this title. (Ord. 2003-O-15, 3-18-2003)