Lot size and width in City of Novi, MI

A lot in Residential Acreage needs at least 1 acre of area and 150 feet of width (Section 3.1.1.D). A new dwelling needs at least 1,000 square feet of floor area per unit, and density is capped at 0.8 dwelling units per net site acre (Section 3.1.1.D).

A lot of record existing on December 12, 2016 may be used for a permitted principal use even if it does not meet the lot area and width requirements, provided all other requirements are met and only one dwelling unit occupies the lot (Section 3.35.4). Lot width is measured at the front setback line, and behind that line the lot may not narrow below 90 percent of the required width (Section 3.6.2.A, Note A).

A lot in R-1 needs at least 21,780 square feet (half an acre) and 120 feet of width (Section 3.1.2.D). A new dwelling needs at least 1,000 square feet of floor area, and density is capped at 1.65 units per net site acre (Section 3.1.2.D). Lots of record existing on December 12, 2016 may be built on even if undersized, provided all other requirements are met (Section 3.35.4). Lot width is measured at the front setback line, and behind that line the lot may not narrow below 90 percent of the required width (Section 3.6.2.A, Note A).

A lot in R-2 needs at least 18,000 square feet and 110 feet of width (Section 3.1.3.D). A new dwelling needs at least 1,000 square feet of floor area, and density is capped at 2.0 units per net site acre (Section 3.1.3.D). Lots of record existing on December 12, 2016 may be built on even if undersized, provided all other requirements are met (Section 3.35.4). Lot width is measured at the front setback line, and behind that line the lot may not narrow below 90 percent of the required width (Section 3.6.2.A, Note A).

A lot in R-3 needs at least 12,000 square feet and 90 feet of width (Section 3.1.4.D). A new dwelling needs at least 1,000 square feet of floor area, and density is capped at 2.7 units per net site acre (Section 3.1.4.D). Lots of record existing on December 12, 2016 may be built on even if undersized, provided all other requirements are met (Section 3.35.4). Lot width is measured at the front setback line, and behind that line the lot may not narrow below 90 percent of the required width (Section 3.6.2.A, Note A).

A lot in R-4 needs at least 10,000 square feet and 80 feet of width (Section 3.1.5.D). A new dwelling needs at least 1,000 square feet of floor area, and density is capped at 3.3 units per net site acre (Section 3.1.5.D). Lots of record existing on December 12, 2016 may be built on even if undersized, provided all other requirements are met (Section 3.35.4). Lot width is measured at the front setback line, and behind that line the lot may not narrow below 90 percent of the required width (Section 3.6.2.A, Note A).

The RT district page lists a minimum lot area of 7,500 square feet and 50 feet of width, with density capped at 4.8 dwelling units per net site acre and a minimum floor area of 750 square feet per unit (Section 3.1.6.D). The table does not state whether the 7,500 square feet applies per dwelling unit or per two-family building, and the 4.8 units-per-acre density cap governs either way; confirm the required lot area for a specific duplex project with the Community Development Department at 248-347-0415. Lot width is measured at the front setback line, and behind that line the lot may not narrow below 90 percent of the required width (Section 3.6.2.A, Note A).

When a one-family detached home is built in RT, the R-4 development standards apply as the minimum instead (Section 3.1.6.D, footnote).

RM-1 has no fixed minimum lot area on its district page; site capacity is controlled by a room-count formula. The total number of rooms (not counting kitchen, dining, and sanitary facilities) may not exceed the net site area in square feet divided by 2,000, and public utilities must be available (Section 3.8.1.A). An efficiency counts as 1 room, one bedroom as 2, two bedrooms as 3, and three or four bedrooms as 4; a den or library counts as a bedroom (Section 3.8.1.C).

The density table caps one-bedroom units at 10.9 units per net acre (at most 20 percent of units), two-bedroom at 7.3, and three-plus-bedroom at 5.4, with efficiencies at most 5 percent of units (Section 3.1.7.D). Minimum floor area per unit: efficiency 400 square feet, one bedroom 500, two bedrooms 750, three bedrooms 900, four bedrooms 1,000 (Section 3.1.7.D). If a convalescent or assisted living facility is proposed, 1,500 square feet of land is required per bed (Section 3.8.1.D).

RM-2 site capacity is controlled by room count. For buildings of four or more stories, total rooms of eighty (80) square feet or more may not exceed the net site area divided by 700, and community sewers must be available; buildings under four stories follow the RM-1 formula of net site area divided by 2,000 (Section 3.8.1.B).

The density table caps one-bedroom units at 31.1 units per net acre (at most 33 percent of units), two-bedroom at 20.7, and three-plus-bedroom at 15.6, with efficiencies at most 10 percent of units (Section 3.1.8.D). Minimum floor areas per unit match RM-1: 400 to 1,000 square feet by bedroom count (Section 3.1.8.D).

A mobile home park must be developed with sites averaging 5,500 square feet per unit; an individual site may be reduced up to 20 percent (minimum 4,400 square feet) if the land saved is dedicated as open space (Section 3.9.2). A park needs at least 20 acres, or 10 acres as an expansion of an existing adjacent park (Section 3.9.5). Each home needs at least 720 square feet of floor space (Section 3.9.10; Section 3.1.9.D).

B-1 has no fixed minimum lot area, width, or coverage percentage. Minimum lot area and width and maximum coverage are determined by what it takes to meet the off-street parking, loading, greenbelt screening, setback, and usable open space requirements on the site (Section 3.6.2.D).

A B-2 site needs at least 2 acres (Section 3.1.11.D). Lot width and maximum coverage have no fixed numbers; they are determined by what it takes to meet parking, loading, screening, setback, and open space requirements (Section 3.6.2.D).

B-3 has no fixed minimum lot area, width, or coverage percentage. These are determined by what it takes to meet the off-street parking, loading, greenbelt screening, setback, and usable open space requirements on the site (Section 3.6.2.D).

FS has no fixed minimum lot area, width, or coverage percentage; these are determined by what it takes to meet parking, loading, screening, setback, and open space requirements (Section 3.6.2.D).

I-1 has no fixed minimum lot area, width, or coverage percentage; these are determined by what it takes to meet parking, loading, greenbelt screening, setback, and open space requirements (Section 3.6.2.D). Where more than one principal industrial building is placed on one parcel, district requirements apply to each building as though it were on its own parcel (Section 3.6.2.H.iii).

I-2 has no fixed minimum lot area, width, or coverage percentage; these are determined by what it takes to meet parking, loading, screening, setback, and open space requirements (Section 3.6.2.D).

An NCC site needs at least 2 acres and 200 feet of width (Section 3.1.20.D). Floor area is capped at 25 percent of the site (a floor area ratio of 0.25), and at least 25 percent of the site must remain greenspace, excluding parking lots and aisles (Section 3.16).

OS-1 has no fixed minimum lot area, width, or coverage percentage; these are determined by what it takes to meet parking, loading, screening, setback, and open space requirements (Section 3.6.2.D).

OSC has no fixed minimum lot area, width, or coverage percentage; these are determined by what it takes to meet parking, loading, screening, setback, and open space requirements (Section 3.6.2.D).

OST has no fixed minimum lot area, width, or coverage percentage; these are determined by what it takes to meet parking, loading, screening, setback, and open space requirements (Section 3.6.2.D).

RC has no fixed minimum lot area, width, or coverage percentage; these are determined by what it takes to meet parking, loading, screening, setback, and open space requirements (Section 3.6.2.D).

TC has no fixed minimum lot area or width; these are determined by the requirements of Section 3.6.2.D. A minimum of 15 percent gross open space is required (Section 3.1.25.D; Section 3.27.1.F), plus 200 square feet of usable open space per multiple dwelling unit (Section 3.1.25.D).

Residential density in the TC districts is set by room count: total rooms may not exceed the parcel area divided by 1,200, or divided by 800 within a mixed-use development (Section 4.82.2).