It is intended that the neighborhood overlay area be applied primarily to neighborhoods which may be subject to development that may not be compatible with the character of the existing neighborhood. Within these neighborhoods it is desirable that new development complement and enhance the existing neighborhood. It is further intended that said designation will encourage and foster development that is compatible with the existing neighborhood. (Ord. 1548 §1, 2002)

The reviews, procedures, submission requirements, recording requirements, and other requirements of title 17 shall apply to all properties designated as lying within a neighborhood overlay area, except as modified herein. (Ord. 1548 §1, 2002)

(A) The following described land is hereby declared to be within a neighborhood overlay area:

The area of land located within the Broomfield Heights Filing No. 1, Amended, Subdivision (Recorded June 10, 1955); the Replat of Block 39, Broomfield Heights Filing No. 1, Amended; the Broomfield Heights Filing No. 2, Lot 40 Replat; the Broomfield Gardens Subdivision; the Broomfield Retail Center, a resubdivision of a portion of Broomfield Heights Filing No. 1 as Amended; Broomfield Retail Center Filing No. 3, a resubdivision of Broomfield Retail Center Minor Subdivision - Lot 2; Midway Plaza, a replat of Tract 3, a replat of Block 39-38, Broomfield Heights Filing No. 1 Amended; Nickel Centre Subdivision, a Replat of Lot 10 of a Replat of Block 39, Broomfield Heights Filing No. 1 Amended; Purslow Subdivision, a Resubdivision of a portion of lots 6 and 8 and all of Lot 7, Block 20, Broomfield Heights Filing No. 1 Amended; Oreo Subdivision, a Resubdivision of Lots 18 and 19, Block 20, Broomfield Heights Filing No. 1 Amended; Main Street Exchange Plat, a Replat of Main Street Exchange.

(B) The land described in subsection (A) above shall be designated as a neighborhood overlay area on the zoning map in addition to its underlying zone district.

(C) Other land within the city may be designated as neighborhood overlay area. (Ord. 1548 §1, 2002)

The provisions of the neighborhood overlay area are in addition to the requirements of the underlying zone district of a subject property and supersede the zone district requirements. (Ord. 1548 §1, 2002)

The following development requirements apply to all proposed residential and commercial development within the neighborhood overlay area:

(A) Residential.

(1) Lot coverage for single-family uses. Total lot coverage for all built structures, including accessory buildings, attached and detached garages, and the principal residence, excluding decks, shall not exceed 2,500 square feet, maximum total footprint, on any lot up to 7,000 square feet. On lots greater than 7,000 square feet, lot coverage for all built structures, including accessory buildings, attached and detached garages, and the principal residence, excluding decks, shall not exceed thirty-five percent of the total lot area.

(2) Building height principal structure for single-family dwellings and duplexes. The height of new construction and/or additions shall not exceed eight feet higher than the average building height of the front elevation of the ten closest existing residences on the same side of the street, as determined by the side on which the front door is located, or twenty-five feet, whichever is less. In establishing the average height of the front elevation of the ten closest homes, the height of existing homes shall be measured as defined in section 17-04-045, B.M.C. In administering this provision the building department may establish heights for prototypical house types.

(3) Building height accessory structure. New accessory structures or additions to existing accessory structures within the building setback for the principal residence shall not exceed the height of the existing principal residence, or twenty-five feet, whichever is less. New accessory structures or additions to existing accessory structures outside of the setback of the principal residence shall not exceed the height of the existing residence or eighteen feet, whichever is less.

(4) Roof framing. Roof framing (hip, gable, gambrel, flat) on new construction and/or additions shall be of a type found on another residence on either side of the block on which the structure is located.

(5) Building materials. The combined exterior wall surfaces on residences and attached or detached garages shall not be less than fifty percent masonry for the entire structure, excluding doors and windows. Walls facing the street must be at least fifty percent masonry. Masonry materials credited towards this requirement are brick, stucco, flagstone and river rock/cobble. Second story additions to existing residences and gable ends are exempt from this requirement and not included when calculating the fifty percent minimum requirement.

(6) Landscaping. Any addition to an existing residence shall include the installation of at least one tree to be located in the front yard. If feasible, based on slope, existing vegetation, or other conditions, said tree shall be located adjacent to the sidewalk. If the existing tree canopy, as determined by the planning director, will not allow an additional tree, no such tree shall be required.

(B) Commercial.

Four-sided architecture. Facades for all new commercial and office buildings visible from adjacent properties and/or adjacent public rights-of-way shall integrate architectural details into the facade to enhance the appearance of exterior wall surfaces. (Ord. 1548 §1, 2002)