Environmental Rules in Greenburgh, NY (2026)
4 verified environmental rules for Greenburgh, New York, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Greenburgh requires a stormwater management control permit from the Town Engineer for any land development activity disturbing 500 or more square feet. The Stormwater Management Law (Chapter 248) sets design standards, plan requirements and penalties reaching $2,000 per offense plus jail time for repeat violators.
Greenburgh Stormwater Management Rules
Some RestrictionsGreenburgh Code § 248-8
No person shall commence or otherwise perform any land development activity (major or minor) in the Town of Greenburgh that involves 500 or more square feet without first obtaining the proper stormwater management control permit from the Town Engineer, and all other necessary local, state and federal permits, and thereafter comply with the requirements of this chapter.
Erosion Control
Greenburgh's Steep Slopes law bars leaving disturbed slope soil bare and exposed between December 15 and April 15, and forces temporary erosion stabilization within two days of final grade and permanent stabilization within 15 days, enforced through the Planning Board's steep slope permit review.
Greenburgh Steep Slope Erosion Control Timeline
Significant RestrictionsGreenburgh Code § 245-7A(10), (12)
Disturbance of slopes is undertaken in workable units so that the disturbance can be completed and stabilized in one construction season and so that areas are not left bare and exposed during the period from December 15 through April 15... Temporary soil stabilization, including, if appropriate, temporary stabilization measures such as netting or mulching to secure soil during the grow-in perio...
Flood Zones
Greenburgh requires a floodplain development permit before any construction, filling, grading or excavation in an area of special flood hazard shown on the Town's FEMA Flood Insurance Rate Maps. The Town Engineer, acting as local administrator, reviews every application and can deny or condition approval to keep new development out of harm's way.
Greenburgh Floodplain Development Permit
Significant RestrictionsGreenburgh Code § 220-4B(1)
A floodplain development permit is hereby established for all construction and other development to be undertaken in areas of special flood hazard in this community for the purpose of protecting its citizens from increased flood hazards and ensuring that new development is constructed in a manner that minimizes its exposure to flooding. It shall be unlawful to undertake any development in an ar...
Flood Elevation Requirements
In Zones A1-A30, AE and AH, Greenburgh forces new construction and substantial improvements to raise the lowest floor, basement included, at least two feet above the base flood level, a freeboard margin that exceeds FEMA's baseline elevation standard for the same zones.
Greenburgh Two-Foot Flood Elevation Freeboard
Some RestrictionsGreenburgh Code § 220-5C(1)
Within Zones A1-A30, AE and AH and also Zone A if base flood elevation data is available, new construction and substantial improvements shall have the lowest floor (including basement) elevated to or above two feet above the base flood level.
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County ordinances apply to unincorporated areas and may supplement Greenburgh city rules.
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