A. Intent Statement
The intent of the TMD zone is to provide designated areas of the County for residential purposes at slightly higher densities than the R-90, R-60, and R-40 zones. It is also the intent of the TMD zone to provide a buffer or transition between nonresidential or high-density residential uses and the medium- or low-density Residential zones.
B. TMD Zone, Standard Method Development Standards
To view the TMD Zone, Standard Method Development Standards table in PDF format, click Table 4.4.12B
1. Site | Detached House or a Building for a Cultural Institution, Religious Assembly, Public Use, or a Conditional Use allowed in the zone | Duplex - Side | Duplex - Over | Townhouse |
1. Site | Detached House or a Building for a Cultural Institution, Religious Assembly, Public Use, or a Conditional Use allowed in the zone | Duplex - Side | Duplex - Over | Townhouse |
Site Area (min) | ||||
Site | 3,600 SF | 3,600 SF | 3,600 SF | n/a |
Site per unit | n/a | n/a | n/a | 3,600 SF |
Open Space (min) | ||||
Common open space (% of site) (See Section 6.3.5) | n/a | n/a | n/a | 20% |
Site Coverage (max) | ||||
Site coverage | n/a | n/a | n/a | 40% |
Specification for Open Space and Site Coverage | ||||
a. In development with a townhouse building type, open space and site coverage are calculated based on the area of the site minus any area for detached house and duplex lots. | ||||
2. Lot and Density | ||||
Lot (min) | ||||
Lot area | 3,600 SF | 1,800 SF | 3,600 SF | 1,100 SF |
Lot width at front building line | 30' | 15' | 30' | n/a |
Lot width at front lot line | 10' | 10' | 10' | n/a |
Frontage on street or open space | Required | |||
Density (max) | ||||
Density (units/acre) | 12.10 | 12.10 | 12.10 | 12.10 |
Coverage (max) | ||||
Lot | 40% | 40% | 40% | n/a |
3. Placement | ||||
Principal Building Setbacks (min) | ||||
Front setback, public street | 20' | 20' | 20' | 20' |
Front setback, private street or open space | 4' | 4' | 4' | 4' |
Side street setback | 15' | 15' | 15' | 5' |
Side setback, abutting Agricultural, Rural Residential, or Residential zones | 6' | 6' | 6' | n/a |
Side setback, abutting all other zones | 4' | 4' | 4' | n/a |
Side setback, end unit | n/a | n/a | n/a | 3' |
Side setback between lot and site boundary | n/a | n/a | n/a | 5' |
Rear setback | 20' | 20' | 20' | 20' |
Rear setback, alley | 4' | 4' | 4' | 4' |
Rear setback between lot and site boundary | n/a | n/a | n/a | 10' |
Accessory Structure Setbacks (min) | ||||
Front setback, behind front building line | 10' | 10' | 10' | 10' |
Side street setback | 15' | 15' | 15' | 5' |
Side setback | 4' | 4' | 4' | 4' |
Rear setback | 4' | 4' | 4' | 0' |
Rear setback, alley | 4' | 4' | 4' | 4' |
4. Height | ||||
Height (max) | ||||
Principal building | 35' | 35' | 35' | 40' |
Accessory Structure | 25' | 25' | 25' | 25' |
5. Form | ||||
Massing (max) | ||||
Units permitted in one row | n/a | n/a | n/a | 10 |
Building Orientation | ||||
Entrance facing street or open space | n/a | n/a | n/a | required |
Allowed Building Elements | ||||
Gallery/Awning | n/a | n/a | n/a | n/a |
Porch/Stoop | yes | yes | yes | yes |
Balcony | yes | yes | yes | yes |
C. TMD Zone, Optional Method Development Standards
To view the TMD Zone, Optional Method Development Standards table in PDF format, click Table 4.4.12C
1. Site | MPDU Development | ||
Detached House | Duplex | Townhouse |
1. Site | MPDU Development | ||
Detached House | Duplex | Townhouse | |
Dimensions (min) | |||
Usable area | 20,000 SF | ||
Density (max) | |||
Density (units/acre) | See Specification for Density | ||
Specification for Density | |||
The density allowed for any application that includes more than 12.5% MPDUs, qualified under Chapter 25A and rounded up to the nearest whole number of units, equals the density allowed under Sec. 4.4.12.B.2 plus an increase of: a. 0.88% for each 0.1% increase in MPDUs above 12.5%, up to and including 15%; b. 22% plus 0.16% for each 0.1% increase in MPDUs above 15%, up to and including 20%; or c. 30% plus 0.1% for each 0.1% increase in MPDUs above 20%. | |||
Open Space (min) | |||
Common open space (% of usable area) (See Section 6.3.5) | 20% | ||
Site Coverage (max) | |||
Site coverage | n/a | n/a | 40% |
Specification for Site Coverage | |||
a. In development with a townhouse building type, site coverage is calculated based on the area of the site minus any area for detached house and duplex lots. | |||
2. Lot | |||
Dimensions (min) | |||
Lot area | 2,000 SF | 1,000 SF | 800 SF |
Lot width at front building line | Determined at site plan | ||
Lot width at front lot line | 15' | 15' | 14' |
Frontage on street or open space | Required | ||
Coverage (max) | |||
Lot | 60% | 60% | n/a |
3. Placement | |||
Principal Building Setbacks (min) | |||
Front setback from public street | 10' | 10' | 10' |
Front setback from private street or open space | 4' | 4' | 4' |
Side street setback | 10' | 10' | 10' |
Side or rear setback | Determined at site plan | ||
Side or rear setback, abutting property not included in application | Equal to required setback for a detached house building type in the abutting zone under standard method | ||
Rear setback, alley | 4' | 4' | 4' |
Accessory Structure Setbacks (min) | |||
Front setback | 5' behind front building line | ||
Side street setback | Side street setback of principal building | ||
Side or rear setback | Determined at site plan | ||
Side or rear setback, abutting property not included in application | Equal to required setback for a detached house building type in the abutting zone under standard method | ||
Rear setback, alley | 4' | 4' | 4' |
4. Height | |||
Height (max) | |||
Principal building | 40' | 40' | 40' |
Accessory structure | 25' | 25' | 25' |
(Legislative History: Ord. No. 18-08, § 9; Ord. No. 18-52, § 2.)