Special Regulations
Table 1: Minimum Number of Buildable Acres | |||
|---|---|---|---|
Zoning District | R-1, R-2, G | R-3 | R-4 |
Minimum number of buildable acres1 | 2 acres | 5 acres | 10 acres |
1 | Buildable acres shall not include lands identified as preservation area, wetlands and/or associated thirty-foot and fifty-foot buffers, vernal pools and the associated 125-foot buffer, and the 200-foot riverfront buffer (§ 435-17 of this chapter). |
Table 2: Division of Land | |||
|---|---|---|---|
Zoning District | R-1/G/R-2 | R-3 | R-4 |
Maximum density increase above the allowed preliminary subdivision plan yield | 50% | 50% | 50% |
Minimum preservation area | 20% | 30% | 35% |
Table 3: Parcel Dimensional Requirements | ||
|---|---|---|
Parcel Area | R-1, R-2, G | R-3 and R-4 |
Parcel frontage (feet) | 65 (minimum) | 100 (minimum) |
Parcel front setbacks (feet) | 40 (minimum) | 75 (minimum) |
Parcel side setbacks (feet) | 50 (minimum) | 100 (minimum) |
Table 4: AH Structure Design3 | ||
|---|---|---|
Dimensional Requirement | R-1, R-2, G | R-3 and R-4 |
Side separation between buildings (feet) | 20 (minimum) | 30 (minimum) |
Rear separation between buildings (feet) | 40 (minimum) | 40 (minimum) |
Building height (feet) | 35 (maximum) | 35 (maximum) |
Building setback from an internal roadway (feet) | 20 (minimum) | 20 (minimum) |
Minimum size of individual lots (square feet) | 4,000 | 8,000 |
3 | Structures shall meet the requirements for the State Fire Code relative to spacing and fire safety. |
NCD DENSITY FORMULA | |
|---|---|
1) | Total gross land area (T) - Infrastructure (I) - Wetlands (W) - Slope(S) = Net buildable area (NBA) |
2) | Net buildable area (NBA)/Minimum lot area (MLA) = Base residential density (BRD) |
3) | Base residential density (BRD) * Minimum open space (ORU) = Common land area (C) |
4) | Net buildable area (NBA) - Common land area (C) = Developable area (DA) |
5) | Developable area (DA)/Minimum lot area (MLA) * Number of bedrooms (TB) = Allowed bedroom count (ABC) |
(T) = Total gross land area (square feet) | |
(I) = 12% of total gross land area for infrastructure (square feet) | |
(W) = 100% of total wetlands on-site (square feet) | |
(S) = Total slope greater than 20% on-site (square feet). Slope shall be reviewed and confirmed by the City Engineer or by the Planning Board's professional consultant. | |
(NBA) = Net buildable area (square feet) | |
(MLA) = Minimum lot area for a single-family detached dwelling in the R-1 and R-2 Zoning Districts | |
(BRD) = Base residential density | |
(ORU) = Minimum open space per residential unit is 2,800 square feet per unit1 | |
(C) = Minimum required common land area (square feet)2 | |
(DA) = Developable area (square feet) | |
(TB) = Number of bedrooms per unit is 3.5 bedrooms3 | |
(ABD) = Allowed bedroom count | |
* | Denotes multiplication |
1 | 2,800 square feet is the minimum open space per residential unit derived from 800 square feet per bedroom required by § 435-27F(3) multiplied by 3.5 bedrooms. |
2 | Required common land area shall also comply with Subsection D(2)(a) herein. |
3 | The number of units and bedrooms shall be rounded up to the next whole number. |
Table of Dimensional Regulations1 | ||||
|---|---|---|---|---|
Zoning District R-1 | Zoning District R-2 | |||
Dimensional Requirement | Single-Family | Townhouse | Single-Family | Townhouse |
Lot frontage2 (feet) | 30 | 30 | 30 | 30 |
Minimum front setback for buildings (feet) | 15 | 15 | 15 | 15 |
Minimum side setback for buildings3 (feet) | 10 | 10 | 10 | 10 |
Minimum rear setback for buildings (feet) | 25 | 25 | 25 | 25 |
Minimum distance between buildings (feet) | 20 | 20 | 20 | 20 |
Maximum height of buildings and structures | 2 stories/30 feet | 2 stories/30 feet | 2 stories/30 feet | 2 stories/30 feet |
Maximum lot coverage4 | 40% | 40% | 40% | 40% |
1 | Unless otherwise provided for in § 435-38, the dimensional regulations in § 435-38C(3) herein, shall be complied with. |
2 | Lot frontage in this chart refers to instances where the lots are owned by individual homeowners. |
3 | Except for approved zero-lot line development. |
4 | The area of a lot lying within the outside lines of exterior walls of all buildings on the lot, including the area of any appurtenance or, if indicated by the context, the ratio of said area, to the total developable area (DA) of the NCD tract, expressed as a percentage. |
Table of Dimensional Regulations | |
|---|---|
Open Space Buildable Parcel | R-3 and R-4 |
Lot frontage for the buildable parcel | 150 feet |
Vegetated buffer surrounding the development adjacent to the active farm | 100 feet |
Vegetated buffer surrounding the development adjacent to other land uses | 75 feet |
Front building setback | 30 feet |
Side building separation | 50 feet |
Rear building separation | 75 feet |
Maximum number of attached units | 3 |
Maximum building height | 3 stories/35 feet |
Table of Dimensional Regulations | |
|---|---|
Active Farm | R-3 and R-4 |
Lot frontage for the buildable parcel | 150 feet |
Vegetated buffer surrounding the development adjacent to the active farm | 100 feet |
Vegetated buffer surrounding the development adjacent to other land uses | 75 feet |
Front building setback | 30 feet |
Side building separation | 50 feet |
Rear building separation | 75 feet |
Maximum number of attached units | 3 |
Maximum building height | 3 stories/35 feet |
Transfer of Development Rights Residential Building Size Chart | |
|---|---|
Giving Parcel Zoning District | Residential Building Size (square feet) |
Single-Family Residential (R-4) | 6,500 |
Single-Family Residential (R-3) | 6,000 |
Single-Family Residential (R-2) | 5,500 |
Single-Family Residential (R-1) | 5,000 |
General Residential (G) | 4,500 |
Building or Use | Maximum Increase in Building Height/Additional Floors | Maximum Increase in Lot Coverage | Maximum Increase in FAR |
|---|---|---|---|
Chapter 43D Priority development sites | 35%* | 15%* | 50%* |
* | Total height shall not exceed the allowed maximum for all structures, including roof top mechanical equipment or penthouses. |
Special Regulations
Table 1: Minimum Number of Buildable Acres | |||
|---|---|---|---|
Zoning District | R-1, R-2, G | R-3 | R-4 |
Minimum number of buildable acres1 | 2 acres | 5 acres | 10 acres |
1 | Buildable acres shall not include lands identified as preservation area, wetlands and/or associated thirty-foot and fifty-foot buffers, vernal pools and the associated 125-foot buffer, and the 200-foot riverfront buffer (§ 435-17 of this chapter). |
Table 2: Division of Land | |||
|---|---|---|---|
Zoning District | R-1/G/R-2 | R-3 | R-4 |
Maximum density increase above the allowed preliminary subdivision plan yield | 50% | 50% | 50% |
Minimum preservation area | 20% | 30% | 35% |
Table 3: Parcel Dimensional Requirements | ||
|---|---|---|
Parcel Area | R-1, R-2, G | R-3 and R-4 |
Parcel frontage (feet) | 65 (minimum) | 100 (minimum) |
Parcel front setbacks (feet) | 40 (minimum) | 75 (minimum) |
Parcel side setbacks (feet) | 50 (minimum) | 100 (minimum) |
Table 4: AH Structure Design3 | ||
|---|---|---|
Dimensional Requirement | R-1, R-2, G | R-3 and R-4 |
Side separation between buildings (feet) | 20 (minimum) | 30 (minimum) |
Rear separation between buildings (feet) | 40 (minimum) | 40 (minimum) |
Building height (feet) | 35 (maximum) | 35 (maximum) |
Building setback from an internal roadway (feet) | 20 (minimum) | 20 (minimum) |
Minimum size of individual lots (square feet) | 4,000 | 8,000 |
3 | Structures shall meet the requirements for the State Fire Code relative to spacing and fire safety. |
NCD DENSITY FORMULA | |
|---|---|
1) | Total gross land area (T) - Infrastructure (I) - Wetlands (W) - Slope(S) = Net buildable area (NBA) |
2) | Net buildable area (NBA)/Minimum lot area (MLA) = Base residential density (BRD) |
3) | Base residential density (BRD) * Minimum open space (ORU) = Common land area (C) |
4) | Net buildable area (NBA) - Common land area (C) = Developable area (DA) |
5) | Developable area (DA)/Minimum lot area (MLA) * Number of bedrooms (TB) = Allowed bedroom count (ABC) |
(T) = Total gross land area (square feet) | |
(I) = 12% of total gross land area for infrastructure (square feet) | |
(W) = 100% of total wetlands on-site (square feet) | |
(S) = Total slope greater than 20% on-site (square feet). Slope shall be reviewed and confirmed by the City Engineer or by the Planning Board's professional consultant. | |
(NBA) = Net buildable area (square feet) | |
(MLA) = Minimum lot area for a single-family detached dwelling in the R-1 and R-2 Zoning Districts | |
(BRD) = Base residential density | |
(ORU) = Minimum open space per residential unit is 2,800 square feet per unit1 | |
(C) = Minimum required common land area (square feet)2 | |
(DA) = Developable area (square feet) | |
(TB) = Number of bedrooms per unit is 3.5 bedrooms3 | |
(ABD) = Allowed bedroom count | |
* | Denotes multiplication |
1 | 2,800 square feet is the minimum open space per residential unit derived from 800 square feet per bedroom required by § 435-27F(3) multiplied by 3.5 bedrooms. |
2 | Required common land area shall also comply with Subsection D(2)(a) herein. |
3 | The number of units and bedrooms shall be rounded up to the next whole number. |
Table of Dimensional Regulations1 | ||||
|---|---|---|---|---|
Zoning District R-1 | Zoning District R-2 | |||
Dimensional Requirement | Single-Family | Townhouse | Single-Family | Townhouse |
Lot frontage2 (feet) | 30 | 30 | 30 | 30 |
Minimum front setback for buildings (feet) | 15 | 15 | 15 | 15 |
Minimum side setback for buildings3 (feet) | 10 | 10 | 10 | 10 |
Minimum rear setback for buildings (feet) | 25 | 25 | 25 | 25 |
Minimum distance between buildings (feet) | 20 | 20 | 20 | 20 |
Maximum height of buildings and structures | 2 stories/30 feet | 2 stories/30 feet | 2 stories/30 feet | 2 stories/30 feet |
Maximum lot coverage4 | 40% | 40% | 40% | 40% |
1 | Unless otherwise provided for in § 435-38, the dimensional regulations in § 435-38C(3) herein, shall be complied with. |
2 | Lot frontage in this chart refers to instances where the lots are owned by individual homeowners. |
3 | Except for approved zero-lot line development. |
4 | The area of a lot lying within the outside lines of exterior walls of all buildings on the lot, including the area of any appurtenance or, if indicated by the context, the ratio of said area, to the total developable area (DA) of the NCD tract, expressed as a percentage. |
Table of Dimensional Regulations | |
|---|---|
Open Space Buildable Parcel | R-3 and R-4 |
Lot frontage for the buildable parcel | 150 feet |
Vegetated buffer surrounding the development adjacent to the active farm | 100 feet |
Vegetated buffer surrounding the development adjacent to other land uses | 75 feet |
Front building setback | 30 feet |
Side building separation | 50 feet |
Rear building separation | 75 feet |
Maximum number of attached units | 3 |
Maximum building height | 3 stories/35 feet |
Table of Dimensional Regulations | |
|---|---|
Active Farm | R-3 and R-4 |
Lot frontage for the buildable parcel | 150 feet |
Vegetated buffer surrounding the development adjacent to the active farm | 100 feet |
Vegetated buffer surrounding the development adjacent to other land uses | 75 feet |
Front building setback | 30 feet |
Side building separation | 50 feet |
Rear building separation | 75 feet |
Maximum number of attached units | 3 |
Maximum building height | 3 stories/35 feet |
Transfer of Development Rights Residential Building Size Chart | |
|---|---|
Giving Parcel Zoning District | Residential Building Size (square feet) |
Single-Family Residential (R-4) | 6,500 |
Single-Family Residential (R-3) | 6,000 |
Single-Family Residential (R-2) | 5,500 |
Single-Family Residential (R-1) | 5,000 |
General Residential (G) | 4,500 |
Building or Use | Maximum Increase in Building Height/Additional Floors | Maximum Increase in Lot Coverage | Maximum Increase in FAR |
|---|---|---|---|
Chapter 43D Priority development sites | 35%* | 15%* | 50%* |
* | Total height shall not exceed the allowed maximum for all structures, including roof top mechanical equipment or penthouses. |