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Planning and Zoning Planning and Zoning
Building Zone Regulations

GREENWICH MUNICIPAL CODE
CHAPTER 6. LAND USE

ARTICLE 1. BUILDING ZONE REGULATIONS

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Building Zone Regulations - Full Version March 2017 

Amendments to Sections 6-5, 6-13, 6-98, 6-98.1, 6-154, 6-155, and 6-105.  (Approved June 1, 2017)

Table of Contents

Division 1. General Provisions

§6-1. Purposes of Article. 1-1
§6-2. Classes of Zones. 1-2
§6-3. Adoption of Zoning Map. 1-2
§6-4. Zone Boundaries. 1-4

Division 2. Administrative Provisions

§6-5. Definitions. 2-1
§6-6. Interpretation of Article. 2-14
§6-7. Outstanding building permit. 2-15
§6-8. Enforcement of Article. 2-15
§6-9. Zoning regulations affect all structures and uses. 2-15
§6-10. Zoning permit applications; plans; contents; survey. 2-15
§6-11. Building permit required; issuance; term. 2-16
§6-12. Limitations on Zoning permit issuance. 2-17
§6-13. Site Plan approval required. 2-17
§6-14. Procedure: Applications for Site Plan review. 2-18
§6-14.1 Commission review of Site Plan applications. 2-21
§6-15. Site Plan Standards. 2-22
§6-16. Site Plan changes. 2-23
§6-16.1. Acceptance of Site Plan construction. 2-24
§6-17. Authorization of use by special permit. 2-24
§6-17.1. Site Plan and Special Permit Exemptions. 2-25
§6-17.2. Procedure for the subdivision of land in mixed use-condominium development. 2-25
§6-18. Certificate of occupancy; procedure. 2-26
§6-19. Planning and Zoning Board of Appeals; powers and duties. 2-26
§6-20. Board of Appeals; procedures. 2-27
§6-21. Time limit on variance or exception. 2-28
§6-22. Zoning amendments. 2-28

Division 3. Conservation Zones

§6-23. Conservation Zones: purpose. 3-1
§6-24. Planning and Zoning Commission approval. 3-2
§6-25. Classes of Conservation Zones. 3-2
§6-26. Size of Zone. 3-3
§6-27. Use regulations. 3-3
§6-28. Number of dwelling units. 3-3
§6-29. Floor area ratio and height requirements. 3-3
§6-30. Lot and building requirements. 3-4
§6-31. Conservation land requirements. 3-5
§6-32. Trust, easement or covenant required. 3-6
§6-33. Application for Zone Approval. 3-6
§6-34. Zone approval procedure. 3-7

Division 4. Residential - Planned Housing Design - Elderly Zone.

§6-35. Residential - Planned Housing Design - Elderly Zone (R-PHD-E); purpose. 4-1
§6-36. Location of Zone. 4-1
§6-37. Size of Zone. 4-1
§6-38. Use regulations. 4-1
§6-39. Number of units. 4-2
§6-40. Floor area ratio and height regulation. 4-2
§6-41. Yard requirements. 4-2
§6-42. Application for Zone approval. 4-2
§6-43. Zone approval procedure. 4-2
§6-43.1. Special Permit - Zoning Rights, Congregate Housing. 4-3

Division 5. Planned Residential Zone.

§6-44. Planned Residential Zone (R-PR); purposes. 5-1
§6-45. Planning and Zoning Commission approval. 5-1
§6-46. Size of Zone. 5-1
§6-47. Location of Zone. 5-2
§6-48. Density. 5-2
§6-49. Utility and road requirements. 5-2
§6-50. Use regulations. 5-3
§6-51. Lot size and yard requirements. 5-3
§6-52. Height requirements. 5-3
§6-53. Number of units. 5-3
§6-54. Location of structures. 5-3
§6-55. Area of residential development. 5-3
§6-56. Conservation land requirements. 5-4
§6-57. Recreational land requirements. 5-4
§6-58. Application for Zone approval. 5-4
§6-59. Public Hearing. 5-5
§6-60. Zoning Plan approval. 5-5
§6-61. Review of site plans; lapsed approval. 5-5

Division 6. Residential - Planned Housing Design - Small Unit Zone.

§6-62. Residential - Planned Housing Design - Small Unit Zone (R-PHD-SU); purpose. 6-1
§6-63. Location of Zone. 6-1
§6-64. Type and number of units. 6-1
§6-65. Maximum building area. 6-2
§6-66. Building height. 6-2
§6-67. Floor area ratio. 6-2
§6-68. Yard requirements. 6-2
§6-69. Distance between building and/or structures. 6-2
§6-70. Use regulations. 6-3
§6-71. Application for Zone approval. 6-3
§6-71.1
§6-72.
Application for Affordable Housing Units
Zone approval procedure.
6-3
6-4
§6-73. Issuance of building permit or certificate of occupancy. 6-4
§6-74. Limitation of time. 6-4

Division 7. Residential - Planned Housing Design - Town House Zone.

§6-74.1. Residential - Planned Housing Design - Town House Zone (R-PHD-TH); purposes. 7-1
§6-75. Location of Zone. 7-1
§6-76. Number of families; lot area; terrace area. 7-1
§6-77. Building coverage and height. 7-1
§6-78. Yard requirement. 7-2
§6-79. Number of town houses. 7-2
§6-80. Distance between buildings and/or structures. 7-2
§6-81. Use regulations. 7-2
§6-82. Application for Zone approval. 7-2
§6-83. Zone plan approval procedure. 7-2
§6-84. Issuance of building permit or certificate of occupancy. 7-3
§6-85. Limitation of time. 7-3

Division 8. Residential - Planned Housing Design - Neighborhood Zone.

§6-86. Residential - Planned Housing Design - Neighborhood Zone (R-PHD-N); intent. 8-1
§6-87. Purposes of Zone. 8-1
§6-88. Location of Zone. 8-1
§6-89. Density. 8-1
§6-90. Yard requirements; height and bulk of buildings. 8-2
§6-91. Use regulations. 8-2
§6-92. Zone change procedure. 8-2

Division 9. Use Regulations

Subdivision 1. RA-4, RA-2, RA-1, R-20 and R-12 Zones.
§6-93. Permitted uses in RA-4, RA-2, RA-1, R-20 and R-12 Zones. 9-1
§6-94. Permitted uses by special exception or special permit. 9-1
§6-95. Permitted accessory uses. 9-5
§6-96. Prohibited accessory uses. 9-6
Subdivision 2. R-7, R-6, R-MF, Accessory Housing Conversion Zones.
§6-97. Use regulation for R-7 Zones. 9-7
§6-98. Use regulation for R-6 and R-MF Zones. 9-7
§6-99. Conversion to Accessory Housing (6/10/94). 9-8
Subdivision 3. Business Zones.
§6-100. Use Groups for Business Zones. 9-11
§6-100.1. Employee Density. 9-16
§6-101. Special permit required for Business and Residential Zones. 9-17
§6-102. Statement of purposes - Business Zones. 9-17
§6-103. Use regulations and special requirements for LBR Zone. 9-18
§6-103.1. Use regulations and special requirements for CGBR Zone. 9-20
§6-104. Use regulations and special requirements for LB Zone. 9-21
§6-104.1. Use regulations and special requirements for CGB Zone. 9-23
§6-105. Use regulations and special requirements for GB Zone. 9-24
§6-106. Use regulations and special requirements for GBO Zone. 9-24
§6-107. Use regulations and special requirements for WB Zone. 9-25
§6-108. Use regulations for BEX-60 Zone. 9-26
§6-109. HRO Zone Standards and Requirements. 9-30
§6-109.1. Historic Overlay Zone (HO). 9-32
§6-110. Use regulations and special requirements for dwelling units in Business Zones. 9-35
§6-111. Coastal Overlay Zone. (COZ). 9-41
§6-112. Industrial Re-Use Overlay Zone (IND RE). 9-43
§6-113. Hospital Zone (H-1, H-2). 9-45
§6-114. Continuing Care Retirement Community Overlay Zone (CCRC). 9-48
§6-115 §6-116
Reserved.
Reserved.
 
Subdivision 4. P-Zones.
§6-117. Purpose of P-Zone. 9-52
§6-118. Use regulations in P-Zones. 9-52
Subdivision 5. Railroad Rights-of-way.
§6-118.1. Use regulations in railroad rights-of-way. 9-53

Division 10. Supplementary Area and Height Regulations

§6-119. Restoration of unsafe buildings. 10-1
§6-120. Reduction or duplication of required yard. 10-1
§6-121. Yard requirements on through lots. 10-1
§6-122. Light and ventilation. 10-1
§6-123. Rear yard required. 10-1
§6-124. Minimum street width. 10-2
§6-125. Yard requirements along zone boundary line. 10-2
§6-126. Visibility at intersections. 10-2
§6-127. Height exceptions. 10-3
§6-128. Projections in required yards. 10-3
§6-129. Front and street side yard requirements. 10-4
§6-130. Building lines. 10-4
§6-131. Minimum frontage exceptions. 10-4
§6-132. Yard requirements on corner lots. 10-5
§6-133. Separation required in proximity of high pressure gas transmission lines. 10-6
§6-134. Measurements. 10-6
§6-135. Screening requirement along boundary line. 10-6
§6-136. Awnings. 10-7
§6-137. Business access. 10-7
§6-138. Land under water. 10-7
§6-139. Business zone setback measurements. 10-7
§6-139.1. Flood Hazard Overlay Zone. (FHOZ). 10-7
§6-140. Aircraft landing-Takeoff facilities. 10-23
§6-140.1. Telecommunication Facilities and Sites. 10-23
§6-140.2. Fences and Walls. 10-40

Division 11. Non-Conforming Uses

§6-141. Non-conforming uses; restrictions. 11-1
§6-142. Non-conforming building. 11-3
§6-143. Non-conforming yards. 11-3

Division 12. Accessory Buildings

§6-144. Accessory buildings in Residence Zones. 12-1
§6-145. Accessory buildings on corner lots. 12-1
§6-146. Use of accessory building as residence; guest houses. 12-1
§6-147. Building attached to structure; erection. 12-1
§6-147.1. Preservation of existing buildings in Commercial Zones. 12-2

Division 13. Courtyards

§6-148. Courts restricted in three-story buildings. 13-1
§6-149. Courts in business or industrial buildings. 13-1
§6-150. Courts in mixed-use buildings. 13-1

''

Division 14. Lighting Requirements

§6-151. Purpose of Article. 14-1
§6-152. Business zone regulations. 14-1
§6-153. Residential zone regulations; exceptions. 14-2

Division 15. Parking and Loading Facilities

§6-154. Parking and garages for residential purposes. 15-1
§6-155. Parking and garages for multi-family residential purposes. 15-1
§6-156. Restrictions on non-passenger vehicles and truck parking. 15-2
§6-157. Commercial loading areas. 15-2
§6-158. Customer or patron parking; required spaces. 15-2
§6-159. Requirements for below grade parking. 15-7
§6-160. Use of tract of land for public parking. 15-7
§6-161. Paving requirements; drainage. 15-7
§6-162. Pooled or group parking facilities. 15-8

Division 16. Signs

§6-163. Residential zones specifications. 16-1
§6-164. Business zones specifications. 16-3
§6-165. Measurement of sign area. 16-7
§6-166. Location of sign. 16-7
§6-167. Height restrictions. 16-8
§6-168. Illuminated signs. 16-8
§6-169. Design and lettering. 16-9
§6-170. Special devices. 16-9
§6-171. Sign repairs; alterations. 16-9
§6-172. Removal of Signs. 16-9
§6-173. Replacements, alteration or relocation. 16-9
§6-174. Prohibited signs. 16-10
§6-175. Permit procedure. 16-10

Division 17. Screening and Planting

§6-176. Purpose of Division. 17-1
§6-177. Uses requiring screening. 17-1
§6-178. Uses requiring planting. 17-1
§6-179. Required screening; exceptions. 17-1
§6-180. Schedule of required screening and planting. 17-2
§6-181. Planting specifications. 17-2
§6-182. Planting regulations. 17-3
§6-183. Approval of screening for non-conforming uses. 17-3

Division 17.1. Soil Erosion and Sediment Control

§6-183.1. Definitions. 17.1-1
§6-183.2. Activities Requiring A Certified Erosion and Sediment Control Plan. 17.1-1
§6-183.3. Exemptions. 17.1-1
§6-183.4. Erosion and Sediment Control Plan. 17.1-2
§6-183.5. Minimum Acceptable Standards. 17.1-3
§6-183.6. Issuance or Denial of Certification. 17.1-3
§6-183.7. Conditions Relating to Soil Erosion and Sediment Control. 17.1-3
§6-183.8. Inspection. 17.1-4
§6-183.9. Penalties. 17.1-4
§6-183.10. General Provisions. 17.1-4

Division 18. Site Plans

§6-184. Site plan contents; specifications. 18-1
§6-185. Site plan dimensions for parking. 18-1
§6-186. Specifications of parking and loading areas. 18-2
§6-187. Marking of parking and traffic signs. 18-3
§6-188. Sidewalk specifications. 18-3
§6-189. Curb cuts; access drives. 18-3
§6-190. Landscaping requirements. 18-4
§6-191. Signs. 18-4
§6-192. Enclosed rubbish area. 18-4

Division 19. Trailers and Establishments Selling Alcoholic Beverage

§6-193. Trailers prohibited. 19-1
§6-194. Location of Alcoholic Establishments. 19-1
§6-195.
§6-196.
§6-197.
§6-198.
§6-199.
Reserved.
Reserved.
Reserved.
Reserved.
Reserved.
19-1
19-1
19-1
19-1
19-1
§6-200. Reserved. 19-1
§6-201. Reserved. 19-1

Division 20. Penalties

§6-202. Penalties; abatement. 20-1

Division 21. Schedule of Open Spaces, Heights and Bulk of Buildings - Schedule of Building Lines

§6-203. Open spaces, height and bulk of buildings. 21-1
§6-204. Exceptions to maximum height and parking space requirements. 21-1
§6-205. Schedule of required open spaces, limiting height and bulk of buildings. 21-3
§6-205.1. Schedule of building lines. 21-7

Diagrams

Diagram 1. Grade Plane. 1
Diagram 2. Attic Area Included in Gross Floor Area (GFA). 2
Diagram 3. Basement Areas Included and Excluded from Gross Floor Area (GFA). 3
Diagram 4. Half and Full Story Calculations for Attic Area. 4
Diagram 5. Basement Area Counted as a Story Above Grade Under the Following Conditions. 5
Diagram 6. Illustration of Lot Frontage Measurement on Cul-de-sac. 6
Diagram 7. Illustration Distinguishing Yards from Required Yards. 7
Diagram 7.1. Illustration of Yards for Typical Lots and Rear Lots. 8
Diagram 8. Illustration of Lot Frontage Measurement. 9
Diagram 9. Illustration of Yards for Irregular Shaped Lot. 10
Diagram 10. Illustration of Corner, Rear and Through Lots. 11

Appendix

 

Department Information
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· Frequently Asked Questions
· Report an Issue
Planning & Zoning

· Plan of Conservation & Development
· Forms & Procedures
· Building Zone Regulations 
· Resource Maps            
· Current Fee Schedule
· Items for Sale
· Open Space Report
· Building Height, FAR & Setbacks
· Subdivision Regulations
· Green Area on Residential Properties

Zoning Enforcement
· Generator Application
· Zoning Permit Application 
· Zoning Violations
· Planning & Zoning Board of Appeals
· Zoning Regulations
· Fee Schedules
Commission Information
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· Commission Meetings
· Commission Members
· Land Use Meetings
Town Agencies
· Inland Wetlands Watercourses Agency
· Conservation Commission
· Department of Public Works
· Architectural Review
· P&Z Board of Appeals (PZBA)
· Historic District Commission (HDC)
· Building Department
· Health Department
Local Agencies
· Housing Authority
Adjoining Municipalities
· Westchester County
· Stamford, CT
· City of Rye, NY
· North Castle, NY
State Agencies
· CT Dept. of Environmental Protection
· Connecticut General Assembly
· Connecticut DOT
· CT Siting Council
Federal Agencies
· FEMA (Including Map Service Center)
· CENSUS.gov
· US Army Corps of Engineers
Regional Agencies
· SWRPA
Other Links
· Aquarion Water Co.
· American Planning Association
· Connecticut Chapter of 
 
American Planning Association

· Historical Society of the
 
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