Zoning, building permits and septic rules in Village of Mount Kisco, New York

Village of Mount Kisco’s own rules

• Local zoningPresent

  All land inside Mount Kisco village (Westchester County)

  “there is hereby established a new comprehensive zoning law for the village of mount kisco, new york, which law is set forth in the text and map that constitute this chapter.”

• Zoning districtsPublished

  Mount Kisco village zoning districts (26 districts incl. RS-12, RS-9, RS-6, RT-6 residence districts)

  • Zoning map dated August 3, 2020 kept by the village clerk and building inspector

  number of districts: 26 districts

  “the village of mount kisco is hereby divided into 26 zoning districts. the use, height and area regulations are set out herein and listed below.”

• SetbacksDistrict specific (with conditions)

  RS-9 moderate-density one-family residence district, inside Mount Kisco village

  • Front setback 25 ft if lot depth under 150 ft
  • Rear setback 30 ft for lots 125 ft deep or more; reduced for shallower lots but never under 20 ft
  • Places of worship have different setbacks (front 30, rear 50, side 50 ft)
  • Other districts (RS-12, RS-6 etc.) have different figures

  front setback: >= 30 feet (25 ft if lot depth under 150 ft) · side setback: >= 10 feet

  “(f) minimum building setback: [1] front: [a] thirty feet for lots with a depth of 150 feet or greater. [b] twenty-five feet for lots with a depth of less than 150 feet. [2] rear: [a] thirty feet for lots with a depth of 125 feet or greater. [b] for lots with a depth of less than 125 feet, 30 feet minus one foot for every 2 1/2 feet that the lot depth is less than 125 feet, but in no case less than 20 feet. [3] side: 10 feet.”

• Lot coverageDistrict specific (with conditions)

  RS-9 one-family residence district, inside Mount Kisco village

  • Maximum building coverage is on a sliding scale by net lot area (e.g. 9,000 sq ft or more: 2,150 sq ft plus 20% of area over 9,000)
  • Places of worship: 25% building / 40% development coverage

  max development coverage: <= 40 percent · min lot width: >= 75 feet

  “(c) maximum development coverage: 40%. (d) minimum lot width: 75 feet.”

• Building heightDistrict specific (with conditions)

  RS-9 one-family residence district, inside Mount Kisco village

  • Principal structure only; RS-12 and RS-6 use the same 2 1/2 stories or 35 feet figure in the text read

  max height principal structure: <= 35 feet (or 2 1/2 stories, whichever is less)

  “(g) maximum height of principal structure: 2 1/2 stories or 35 feet, whichever is less.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Village of Mount Kisco or Westchester County directly.

• Building permit — Building permits inside Mount Kisco village
• Owner-builder exemption — Owner-builder exemption inside Mount Kisco village
• Building code adopted — Building code inside Mount Kisco village
• Inspections — Building inspections inside Mount Kisco village
• Certificate of occupancy — Certificates of occupancy inside Mount Kisco village

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.